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Epson EPL-N1200

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Epson EPL-N1200S051016 Epson Laser Black Imaging Cartridge/Drum Unit for The EPL-N1200 and ActionLaser 1600 Printers - YIELD: 6,000 Pages
Yield: 6,000 pages based on 5% average coverage - Delivers exceptional quality and reliable printing every time – Description from adorama.com

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Part Numbers: IESS051016, S051016


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18 19-36
AUTO-FEED NC GND CHASSIS GND NC GND INIT ERROR GND NC +5 SLCT IN

IN IN OUT IN

Compatibility Mode

Forward Data Transfer

ACK and BUSY

Forward Idle

Terminate

Failed

SLCT IN=HIGH

Negotiation

SLCT IN=LOW

ERR=HIGH No data sent

ERR=LOW

Sending data

Host Busy

Data Not

Available

ERR=HIGH

Reverse
AUTO FEED=LOW Request to send data

No data sent

Data Transfer

Host Busy Data Available

AUTO FEED=LOW

AUTO FEED=HIGH

Reverse Idle

Interrupt Host

Figure 1-4. Parallel Interface State Switch Diagram
Figure 1-4 shows the parallel interface state switch diagram.
Figure 1-5 shows the timing chart for negotiation.

SEL-IN STROBE

AUTO-FEED 00h or 04h

ACKNLG BUSY

PE SLCT ERROR Current Peripheral Status Peripheral Busy Status Current Peripheral Status Note1 Note 2

Compatibility

HB DA or HB DNA (Note 3)

Idle or Transfer

Figure 1-5. Negotiation Timing Chart
Note 1: The signal is set to HIGH when not sending data. The signal is set to LOW when sending data. Note 2: The signal is set to HIGH, if extension request value was 04h. Note 3: HB DA: Host Busy Data Available HB DNA: Host Busy Data Not Available Figure 1-6 shows the timing chart for data transfer.
DATA SEL-IN STROBE AUTO-FEED ACKNLG BUSY PE SLCT ERROR Peripheral Busy Status Bit 3 Bit 2 Bit 1 Bit 0 Bit 7 Bit 6 Bit 5 Bit 4 Peripheral Busy Status Note 1 Note 2 Note 1
Negotiation HB DA or HB DNA (Note 3)
Figure 1-6. Data Transfer Timing Chart
Note 1: The signal is set to HIGH when not sending data. The signal is set to LOW when sending data. Note 2: The signal is set to HIGH, if extension request value was 04h. Note 3: HB DA: Host Busy Data Available HB DNA: Host Busy Data Not Available
DATA SEL-IN STROBE AUTO-FEED ACKNLG BUSY PE SLCT ERROR Peripheral Busy Status Note 1 Note 2 Note 1 Current Peripheral Status Peripheral Busy Status Current Peripheral Status Note 3

HB DNA, Idle, or HB DA

Termination
Figure 1-7. Termination Timing Chart
Figure 1-7 shows the timing chart of termination.
Note 1: The signal is HIGH when HB DNA. The signal is LOW when HB DA. Note 2: The signal is set to HIGH, if extension request value was 04h. Note 3: Idle = LOW
Figure 1-8 shows the timing chart for an interrupt.
DATA SEL-IN STROBE AUTO-FEED ACKNLG BUSY PE SLCT ERROR Note 1 Peripheral Busy Status

Interrupt

Transfer
Figure 1-8. Interrupt Timing Chart

TTY-TXD return

TTY-RXD return

TTY-TXD

TTY-RXD

Handshaking

When the vacant area for data in the input buffer drops to 256 bytes, the printer outputs an X-OFF code or sets the DTR signal level to LOW, indicating that the printer cannot receive more data. Once the vacant area for data in the buffer recovers to 512 bytes, the printer outputs an X-ON code or sets the DTR flag to HIGH, indicating that the printer is again ready to receive data.

Protocol

There are two types of protocols, as listed below, and each of them can be designated by SelecType independently. o DTR/DSR protocol
SelecType is used to execute the DTR/DSR control protocol. The DTR signal is set to HIGH when the printer is ready to receive data, and to LOW when conditions indicate an error or that the receiving buffer is full. When the error is cleared and the printer returns to on-line mode, the signal returns to HIGH. When SelecType is used to set the DTR control OFF, DTR is always set HIGH. The printer transmits TXD only when DSR is at the HIGH level (DSR is always considered HIGH when the SelecType setting for DSR is OFF). X-ON/X-OFF transmission is independent of the DSR state. o X-ON/X-OFF (DC1/DC3) protocol
SelecType is used to execute the X-ON/X-OFF protocol. The X-OFF (DC3) code is output if status indicates an error, and the printer warns the host to stop data transmission within 256 characters. No further X-OFF codes are sent in response to additional data received from the host after the X-OFF code has been sent once. The X-ON (DC1) code is output after all conditions given in the error are cleared. When the remaining capacity of the receive buffer reaches 512 characters, X-OFF (DC3) is output once. It is sent only once, even if there are multiple errors. The printer goes on line automatically at power on, and outputs an X-ON code. Transmission of X-ON/X-OFF codes can be defined by SelecType.
1.3.3 Optional LocalTalk Interface (LocalTalk/Serial Module)
The optional LocalTalk/Serial module contains LocalTalk interface with the following characteristics. Type: Signal level: Protocol: Transfer speed: Signal description: LocalTalk Same as RS-422 signal level X-ON/X-OFF (cannot be combined with DTR control) DTR control (cannot be combined with X-ON/X-OFF) 230.4 K BPS See Table 1-11.

Table 1-11. LocalTalk Interface Pin Assignments
Pin No. Signal Name I/O DTR CTS O I Description Signal output by the printer. When the DTR signals HIGH, the RXD signal can be received by the printer. The printer transmits the data through TXD while CTS is HIGH. Serial ASCII data output from the printer. HIGH level: when SD+ voltage is higher than SD- voltage. LOW level: when SD+ voltage is less than SD- voltage. Logic 0 SPACE and logic 1 MARK must be maintained between transmitted character codes. Ground. Serial ASCII data input from computer. HIGH level: when RD+ voltage is higher than RD- voltage. LOW level: when RD+ voltage is less than RD- voltage. Logic 0 SPACE and logic 1 MARK must be maintained between transmitted character codes. Refer to TXD-. Not connected. Refer to RXD-.

TXD+ N.C. RXD+

Buttons
o o o o o o o o o o o o o o o o On Line Manual Feed (On Line + ALT) Item Page Size (Item+ ALT) Paper Source (Menu+ ALT) ALT ( + ALT) Enter Form Feed Continue SelecType Menu Value Enter RESET (Continue + ALT) Switches the printer between on-line and off-line modes. While in SelecType mode, this button exits SelecType mode. Enters directly (a short cut) to manual feed; this setting is the same as the manual setting in the PRINTING Menu of SelecType. Enters SelecType mode. Changes the item in SelecType mode. Enters directly (a short cut) to the paper size setting for the standard and optional paper tray in Printing Menu of SelecType. Enters directly (short cut) to the paper tray select setting in Config Menu of SelecType. Modifies functions of other buttons. Changes to the next SelecType option. Changes to the previous SelecType option. Sets the current option in SelecType. When the printer is off line and the Form Feed light is lit, pressing this button prints data in the printers memory. Pressing this button when the Continue light is flashing clears an error. Selects one of three modes, OneTouch menu 1, OneTouch menu 2, or SelecType mode. Selects one of three menus, Paper Source, RITech, or SelecType. Selects one of three menus, Manual Feed, MP Tray Size, or selects item option in SelecType. Selects one of three menus, Orientation, Toner Save Mode, or defines setting value or executes an operation in SelecType. Enter to reset operation; LCD displays Reset , printing stops, and the input buffer of current interface is cleared. If the Continue + ALT buttons aredepressed continuously after Reset displays, the message displayed on the LCD changes to Reset ALL (after about 5 seconds), and the printer enters to Warming Up" operation; printer clears all RAM.

1.4 OPERATING INSTRUCTIONS
This section describes the functions performed through the control panel, such as test print, hexadecimal dump, and SelecType.

1.4.1 Control Panel

The printer control panel gives you easy control over most common printer operations. The panel consists of a liquid crystal display (LCD), indicator lights, and buttons.
Figure 1-9. Control Panel

Display (LCD)

A 20-character (dot matrix) by 1-row liquid crystal display (LCD) unit that indicates printer status. A variety of printer parameters can be displayed and set using SelecType mode. Indicator lights o On Line ON: OFF: Flashing: o Form Feed Communication with the host is possible. Communication with the host is not currently possible. This state occurs when the system cannot shift from off line to on line, or vice versa.
This LED indicates the data processing condition for each interface channel. ON: OFF: Flashing: o Continue Received data stored in the printer but has not been printed. No printable data remains in the printer. The printer is processing data.
Flashes when an error is detected or a maintenance procedure is needed. An error message appears on the display at the same time. o OneTouch Menu 1 Indicates that OneTouch setting mode is active and OneTouch Menu 1 is in use. o One Touch Menu 2 Indicates that OneTouch setting mode is active and OneTouch Menu 2 is in use. o SelecType Indicates that SelecType setting mode is active. o All LEDs are flashing An error has occurred that requires a service call. 1-22 Rev. A
1.4.2 SelecType Functions
SelecType function on the printer control panel allows the user to control most of the printers functions, such as printing test pages, selecting a paper size, and changing the printers configuration. Enter SelecType mode by pressing the Menu or Item button. Table 1-12 shows the SelecType options.
Table 1-12. SelecType Functions
Menu (Changed by Menu button) Printing Menu Item (Changed by Item button) Paper Source Page Size Orientation Copies Manual Feed Resolution LJ4 Menu Font Source Font Number Pitch Height Available Options (Changed by or button) (Set by Enter button) Auto, MP, LC1*11), LC2*12) A4*1), A5, B5, LT*3), HLT, LGL, GLT, GLG, EXE, F4, MON, C10, DL, C5, IB5, CTM Port, Land 1 to 999 Off, On 600, 300 Resident, SIMM, Download 0 to (available; MAX. 65535) 0.44 to 10.00 to 99.99 CPI (step 0.01) 4.00 to 12.00 to 999.75 PT. (step 0.25) Roman-8, ECM94-1, 8859-2 ISO, 8859-9 ISO, IBM-US, IBM-DN, PcMultiling, PcE.Europe, PcTk437, WiAnsi, WiE.Europe, WiTurkish, DeskTop, PsText, VeInternati, VeUS, MsPublishin, Math-8, PsMath, VeMath, PiFont, Legal, UK, ANSI ASCII, Swedis2, Italian, Spanish, German, Norweg1, French2, Windows 5 to 60*3), to 64*2), to 128 lines 0 to 277 to to 277 to 3199 Off, On Off 1 to 5 Courier, Prestige, Roman, Sans serif, Roman T, Orator S, Sans H, Script, OCR B 10 CPI, 12 CPI, 15 CPI, Prop Off, On 0.40 to 0.50 to 1.50 Inch (step 0.05) 1 to 62*3), to 66*2), to (available; MAX. 81) Lines

Toner Low

Remaining toner is 0 %.
1.4.5 Multi-user and Multi-emulation
This printer has a multi-user and multi-emulation functions. It can be connected simultaneously to and receive print codes from up to four different hosts or networks (when the optional module and I/F card are installed.).
Figure 1-10. Multi-port and Multi-emulation
Note 1: LocalTalk/Serial Module and Type-B I/F card can be used simultaneously. Note 2: Selection of one of two interfaces for the LocalTalk/Serial Module is determined by the type of cable and jumper settings on the module. Jumper settings for the module are recognized when the printer is powered on. Note3: Installation of a Type-B I/F card is recognized when the printer is powered on.
1.4.6 Emulation Mode Switch Function
This section describes the emulation mode switch function.
1.4.6.1 Emulation Switch by SPL
The four types of emulation switch functions described below are available on this printer.

EJL: Eson Job Language

This is EPSONs original language system. It is able to skip among various destinations, as shown in Figure 1-11.
PJL: Printer Job Language
This is HPs original language, which is available with the LaserJet 4 printer. It is able to skip among various destinations, as shown in Figure 1-11. The precise specifications for this language are based on the HP LaserJet 4. The figure below shows three types of mode switching. Neither EJL nor PJL switches the mode directly. They first exit the current mode and return to EJL or PJL. Then they enter another mode.

FX EJL I239X

Figure 1-11. Emulation Switch by SPL
1.4.6.2 Intelligent Emulation Switch
The Intelligent Emulation Switch (IES) automatically switches the emulation switch mode, depending on the data sent from the host computer through one of the interface channels. It is able to switch between EPSON Script and other modes, as shown in the figure below.
Figure 1-12. Intelligent Emulation Switch

Upper Edge Left Edge

Figure 1-15. Toner Save Mode

1.4.10 Optional Memory

If you have difficulty printing complex, graphics-intensive pages or if you regularly use downloaded fonts, you may need to install the optional SIMM sets on this printers controller board. The printers controller board comes with 2 MB of RAM installed. By installing additional SIMMs, you can increase the printers memory to a total of 64 MB, including the resident memory. EPSON supplies several types of memory option (SIMMs). Other SIMMs can be purchased from other vendors. Be sure the SIMM meets the requirements listed below. s s s s 72-pin type Capacity is one of the following: 1, 2, 4, 8, 16, 32 MB Access speed is less than 70 ns. Within the following dimensional size: 36 mm (Height) 108 mm (Width) 10 mm (Depth) 1.4" (Height) 4.3" (Width) 0.4" (Depth)

1.5 MAIN COMPONENTS

To simplify maintenance and repair, the main components of the EPL-N1200 has been designed for easy removal and replacement. The main components are: t t t t t t t t t t C205 MAIN Board Main controller circuit board C173 PROG Board*1) Program ROM circuit board Control panel Unit PWB-A Board Engine controller circuit board PU1 Board Power supply circuit board HV1 Board High-voltage supply circuit board Optical Unit Printhead unit Fusing Unit Imaging Cartridge Lower Paper Cassette Unit (optional) Only for specific models.
Figure 1-16. Component Layout

1.5.1 C205 MAIN Board

The C205 MAIN board is a Main controller board. The primary functions of this board are receiving print data from the host, generating the print image (Main), and sending the print image to the engine controller via the Main interface. A 32-bit 20 MHz RISC CPU MB86930 (SPARKlite) (location: IC15) is used, and the following memory chips and custom ICs are assigned to the 4 GB memory space. s Memory chips Font ROM: two 8M-bit ROMs (IC32, IC33) Code ROM: two 8M-bit ROMs (IC12, IC13) 4M-bit DRAM (IC18, 19, 20, 21) 1K-bit EEPROM (IC5) s Custom ICs ASIC E05A91 (IC1) ASIC E05A93 (IC11) ASIC E05B17 (IC16) ASIC E05B27 (IC43) ASIC E05B31 (IC38) s Other Reset IC 953B (IC2)
8M-Bit ROMs (IC32, 33) 8M-Bit ROM Socket (Local Language) ROM SIMM Slot RAM SIMM Slots` 4M-Bit DRAM (IC18,19,20,21) E05B27 (IC43)

EEPROM (IC5) E05A93 (IC11) Control Panel PWB-A Board
DRAMs (IC 18, 19, 20, 21) RAM SIMM (CN1, CN6) ROM SIMM (CN3) L. L. ROM (IC6)

SRAM (IC17)

Serial/LT Module

Type B I/F

RS-232C, RS-422, or Specific I/F LocalTalk

Video I/F (PWB-A)

Parallel-B

: Option

Figure 2-27. C205 Main Board Block Diagram
Table 2-2 lists the functions of the C205 MAIN board main elements.
Table 2-2. Functions of C205 MAIN Board Main Elements
Element Location Function The CPU, which operates at 20 MHz, manages the video controller operation. This ASIC contains the following functions: Address decoding DRAM management (refresh control, RAS/CAS control) This ASIC contains the following functions: Video signal processing This ASIC contains the following functions: Video interface Parallel-B interface Serial/LocalTalk I/F board interface Type-B interface card control Control panel control This ASIC contains the following functions: BiRITech This ASIC contains the following functions: Parallel-C interface These ROMs are code ROM. These ROMs are font ROM. This ROM is a local language ROM option for fonts. This 1 K-bit EEPROM stores the following: Model type Printed page counter value Toner life counter value Jam counter value SelecType setting It provides working memory area for E05B17. These DRAMs are used as the working area of the CPU: input buffer, image buffer, etc.

MB86930 RISC CPU IC15

E05A91 ASIC

E05B31 ASIC

E05A93 ASIC
E05B17 ASIC E05B27 ASIC Two 8 M-bit ROMs Two 8M-bit ROMs Option 8M-Bit ROM
IC16 IC43 IC12,13 IC32,33 IC6

EEPROM

SRAM DRAM

IC17 IC18,19,20, 21

Print data and commands transmitted from the host computer via parallel-B/C, serial/LocalTalk, or optional interfaces are read using the interrupt process of the CPU and stored in the DRAM input buffer. Data and commands in the input buffer are processed by the CPU, which then stores the printing bit map data (image data) in the V (video) -RAM (image buffer) of the DRAM. The size of the V-RAM depends on the available DRAM size. A Print Overrun occurs when the V-RAM is so small that the CPU cannot process data faster than it is transmitted to the engine controller board. If such an error occurs, the user can increase the V-RAM by using SelecType setting Page Protect. The E05A91 transmits image data stored in the V-RAM to E05B17. The E05B17 changes the image data format from 32 bits parallel data to serial data, and stores it in the internal temporary buffer. The temporary buffer has a capacity equivalent to several lines. This is controlled by the E05B17, which synchronizes and transmits the temporary buffers data to the engine controller board. The E05B17 then manipulates the printer data according to the BiRITech setting.

3.2.2.9 Main Motor Removal
1. 2. 3. 4. 5. 6. 7. 8. 9. Open the top cover. Remove the imaging cartridge. Cover the imaging cartridge to protect it from light or place it in a dark area. Remove the main controller board. (Refer to Section 3.2.1.1.) Loosen two CC (M3x8) screws which secure the right cover. Remove left and right tabs for the top cover from the printer base unit then remove the top cover. Remove one CC (M3x6) screw on the fusing unit cover and remove the fusing unit cover. Remove four CP(O) (M3x6) screws on the rear panel unit. Disconnect connector for the paper exit sensor then lay the rear panel unit flat. Remove one CC (M3 6) screw from the control panel and lift the panel forward. Remove two CC (M3x8) screws on the paper guide case.
10. Remove four CC (M3x6) screws on the top and two CC (M3x6) screws at the right of the shield cover and take it away. 11. Remove two CP(S)(P) (M4 6) screws for the main motor. 12. Lift the main motor, and disconnect connector for the main motor.
Main Motor CP(S)(P)(M4X6)
Figure 3-22. Main Motor Removal
3.2.2.10 Paper Take-up Sensor Removal
1. 2. 3. 4. 5. 6. Open the top cover. Remove the imaging cartridge. Cover the imaging cartridge to protect it from light or place it in a dark area. Remove the high-voltage supply board. (Refer to Section 3.2.2.8.) Remove the main motor. (Refer to Section 3.2.2.9.) Remove the sensor lever. Remove the paper take-up sensor. Disconnect connector for the paper take-up sensor.

Sensor Lever

Paper Take-up Sensor
Figure 3-23. Paper Take-up Sensor Removal
3.2.2.11 Fan Motor Removal
1. 2. 3. 4. 5. 6. 7. 8. Open the top cover. Remove the imaging cartridge. Cover the imaging cartridge to protect it from light or place it in a dark area. Remove the main controller board. (Refer to Section 3.2.1.1.) Loosen two CC (M3x6) screws which secure the right cover. Remove left and right tabs of the top cover from the printer base unit then remove the top cover. Remove one CC (M3x6) screw on the fusing unit cover and remove the fusing unit cover. Disconnect connector for the paper exit sensor then lay the rear panel unit flat. Disconnect connector for the fan motor. Remove two CCB(M3x8) screws then remove the fan motor.

CCB(M3X8)

Figure 3-24. Fan Motor Removal
3.2.2.12 Fusing Unit Removal
1. 2. 3. 4. 5. 6. 7. Open the top cover. Remove the imaging cartridge. Cover the imaging cartridge to protect it from light or place it in a dark area. Remove the main controller board. (Refer to Section 3.2.1.1.) Loosen two CC (M3x8) screws which secure the right cover. Release left and right tabs of the top cover from the printer base unit then remove the top cover. Remove one CC (M3x6) screw on the fusing unit cover and remove the fusing unit cover. Disconnect two connectors for the thermistor and the fusing unit lamp. Remove two CP(O) (M3x6) screws on the fusing unit then remove the fusing unit.

Connector for Thermistor

CP(O)(M3X8)
CP(O)(M3X8) Connector for Lamp
Figure 3-25. Fusing Unit Removal
3.2.2.13 Paper Exit Sensor Removal
1. 2. 3. Remove the fusing unit. (Refer to Section 3.2.2.12.) Remove the paper exit sensor. Disconnect the paper exit sensor from connector of the cable.
Figure 3-26. Paper Exit Sensor Removal
3.2.2.14 Fusing Lamp Removal
1. 2. 3. Remove the fusing unit. (Refer to Section 3.2.2.12.) Remove two CCB (M3x8) screws which secure both sides of the fusing unit cover, then remove both sides of the fusing unit cover. Remove the fusing lamp.
Do not touch the glass surface of the lamp with your bare hands.

CCB(M3X8) CCB(M3X8)

Figure 3-27. Fusing Unit Removal (1)

Fusing Lamp

Figure 3-28. Fusing Unit Removal (2)
3.2.2.15 Thermistor and Thermostat Removal
1. 2. 3. 4. 5. 6. 7. Remove the fusing unit. (Refer to Section 3.2.2.12.) Remove the fusing lamp. (Refer to Section 3.2.2.13.) Take the thermistor cable out of its guide in the fusing unit housing. Remove two CC (M3 6) screws on the top surface of the fusing unit, and remove the side covers. Divide the fusing unit into two parts. Remove one CC (M3 10) screw then remove the Thermistor. Remove two CS(P) (M3x6) screws then remove the thermostat.
* Do not touch the glass surface of the lamp with your bare hands. * The thermistor and thermostat must be attached at the fusing roller. * The connector for the thermistor must be inserted firmly.
Figure 3-29. Fusing Unit Disassembly

CC(M3X10)

CS(P)(M3X6)

Thermistor

Thermostat
Figure 3-30. Thermistor and Thermostat Removal
3.2.2.16 Image Transfer Roller Removal
1. 2. 3. 4. Remove the fusing unit. (Refer to Section 3.2.2.12.) Remove the spacer. Slide the image transfer assembly to the left, lift up the right side, and remove the image transfer assembly. Remove the image transfer Roller.

Figure 6-5. Clear Seal Removal
Figure 6-6. Imaging Cartridge Insertion
6.1.2 Service Maintenance
This section describes the periodic service maintenance and cleaning required.
6.1.2.1 Periodic Service Maintenance
The following units require periodic service maintenance because they are subject to functional deterioration as the total number of printed pages increases, resulting in bad print quality.
Table 6-1. Periodic Service Maintenance
Unit Imaging Cartridge Paper Take-Up Roller Image Transfer Roller Fusing Unit Service Interval APPROX. 4,800 to 6,000 pages APPROX. 100,000 pages APPROX. 50,000 to 100,000 pages APPROX. 50,000 to 100,000 pages
The service interval listed above is only a reference value. You do not need to perform service maintenance exactly at this time.

6.1.2.2 Cleaning

Some parts of this printer require regular cleaning. For example, whenever the paper jams during paper loading or when print quality problem happen. Clean each part using the specified method and tools. (Refer to Chapter 3 for disassembly procedures.)
Table 6-2. Cleaning Parts and Procedures
Parts Name Image Transfer Roller Optical Lens Paper Take-Up Roller Upper Fusing Roller (in Fusing Unit) Lower Fusing Roller (in Fusing Unit) Thermistor (in Fusing Unit) Thermostat (in Fusing Unit) Paper Separator and Rollers (in Fusing Unit) Dip a soft cloth in denatured alcohol and wipe the dust off. Dip a soft cloth in silicon oil and wipe the dust off. Wipe the surface with a dry soft cloth. Cleaning Procedure

Appendix A

Reference Materials
A.1 CONNECTOR PIN ASSIGNMENTS A-1 A.1.1 Main Controller Board (C205 MAIN Board). A-4 A.1.2 Engine Controller Board (PWB-A Board). A-13 A.1.3 Power Supply Board (PWB-E Board). A-13 A.1.4 High-Voltage Supply Board (PWB-F Board). A-13 A.2 CIRCUIT DIAGRAM A.3 CIRCUIT BOARD COMPONENT LAYOUT A-16 A-17
Figure A-1. Video Controller Section Cable Connection. A-1 Figure A-2. Engine Section Cable Connection. A-2 Figure A-3. C205 MAIN Board Circuit Diagram. A-16 Figure A-4. C205 MAIN Board Component Layout (Front Side). A-17 Figure A-5. C205 MAIN Board Component Layout (Rear Side). A-18

Table A-1. Board Connector Summary. A-3 Table A-2. CN1 and 6 Pin Assignments. A-4 Table A-3. CN2 Pin Assignments. A-6 Table A-4. CN3 Pin Assignments. A-7 Table A-5. CN4 Pin Assignments. A-9 Table A-6. CN7 Pin Assignments. A-10 Table A-7. CN11 Pin Assignments. A-11 Table A-8. CN4 Pin Assignments. A-13 Table A-9. CN5 Pin Assignments. A-13 Table A-10. CN6 Pin Assignments. A-13 Table A-11. CN7 Pin Assignments. A-13 Table A-12. CN8 Pin Assignments. A-14 Table A-13. CN9 Pin Assignments. A-14 Table A-14. CN10 Pin Assignments. A-14 Table A-15. CN4 Pin Assignments. A-15 Table A-16. CN5 Pin Assignments. A-15 Table A-17. CN2 Pin Assignments. A-15
A.1 CONNECTOR PIN ASSIGNMENTS
.igures A-1 and A-2 illustrate the interconnection of the primary components. Table A-1 gives the size and a description of each connector.

C205 MAIN BOARD

C82334* SLOT
CN6: RAM SIMM SLOT CN1: RAM SIMM SLOT CN4 CN9 PARALLEL-C
CN3: ROM SIMM SLOT PWB-A CN2: C173 PROG BOARD CN11 TYPE-B I/F BOARD SLOT CN7 CN8 PARALLEL-B
Figure A-1. Video Controller Section Cable Connection
Figure A-2. Engine Section Cable Connection
Table A-1. Board Connector Summary
Connector Description Pins Reference
Main Controller Board (C205 MAIN Board) CN1 Connector for RAM SIMM CN2 Connector for engine controller board CN3 Connector for ROM SIMM CN4 Connector for Serial/LocalTalk I/F Module CN5 Not used CN6 Connector for RAM SIMM CN7 Connector for optional Type-B I/F card CN8 Parallel-B interface CN9 Parallel-C interface CN10 Not used CN11 Connector for C173 PROG board Engine Controller Board (PWB-A Board) CN1 Connector for main controller board (C205 MAIN board) CN2 Connector for thermistor of fusing unit CN3 Connector for control panel CN4 Toner empty sensor CN5 Connector for optical unit Connector for paper take-up solenoid, paper exit sensor, and CN6 paper empty sensor CN7 Connector for high-voltage supply board CN8 Connector for power supply board CN9 Connector for lower paper cassette CN10 Connector for power supply board Control Panel CN1 Connector for engine controller board Power Supply Board (PU1 Board) CN1 Connector for AC power inlet CN2 Connector for engine controller board CN3 Connector for engine controller board CN4 Connector for cooling fan motor CN5 Connector for main motor CN6 Connector for interlock switch CN7 Not used High-Voltage Supply Board (HV1 Board) CN1 Connector for engine controller board CN2 Connector for paper take-up sensor CN3 Connector for PWB-S board
72 pins Table A-pins Table A-pins Table A-pins Table A-5 72 pins Table A-pins Table A-pins Table 1-pins Table 1-8, 9 80 pins Table A-pins 2 pins 18 pins 4 pins 13 pins 8 pins 8 pins 8 pins 12 pins 6 pins 18 pins 6 pins 8 pins 6 pins 3 pins 6 pins 2 pins 2 pins 8 pins 3 pins 3 pins Table A-3 Table A-8 Table A-9 Table A-10 Table A-11 Table A-12 Table A-13 Table A-14 Table A-12 Table A-14 Table A-15 Table A-16 Table A-11 Table A-17

A.1.1 Main Controller Board (C205 MAIN Board) Table A-2. CN1 and 6 Pin Assignments
Pin No. 1,39,9 10,30,59 11,29,46,48,66,Signal Name Vss DQ0 DQ16 DQ1 DQ17 DQ2 DQ18 DQ3 DQ19 Vcc NC A0 A1 A2 A3 A4 A5 A6 A10 DQ4 DQ20 DQ5 DQ21 DQ6 DQ22 DQ7 DQ23 A7 A8 A9 RAS3 RAS2 MP2 MP0 MP1 MP3 CAS0 CAS2 CAS3 CAS1 RAS0 RAS1 WE DQ8 I/O I/O I/O I/O I/O I/O I/O I/O I/O O O O O O O O O I/O I/O I/O I/O I/O I/O I/O I/O O O O O O O O O O O O O I/O Description Ground Data bus bit 0 Data bus bit 16 Data bus bit 1 Data bus bit 17 Data bus bit 2 Data bus bit 18 Data bus bit 3 Data bus bit 19 +5 VDC Not connected Memory address bit 0 Memory address bit 1 Memory address bit 2 Memory address bit 3 Memory address bit 4 Memory address bit 5 Memory address bit 6 Memory address bit 10 Data bus bit 4 Data bus bit 20 Data bus bit 5 Data bus bit 21 Data bus bit 6 Data bus bit 22 Data bus bit 7 Data bus bit 23 Memory address bit 7 Memory address bit 8 Memory address bit 9 RAS 3 RAS 2 Not used Not used Not used Not used CAS 0 CAS 2 CAS 3 CAS 1 RAS 0 RAS 1 Write enable Data bus bit 8
Table A-2. CN1 and 6 Pin Assignments (Continued)
Pin No. 70 Signal Name DQ24 DQ9 DQ25 DQ10 DQ26 DQ11 DQ27 DQ12 DQ28 DQ29 DQ13 DQ30 DQ14 DQ31 DQ15 PD1 PD2 PD3 PD4 I/O I/O I/O I/O I/O I/O I/O I/O I/O I/O I/O I/O I/O I/O I/O I/O Description Data bus bit 24 Data bus bit 9 Data bus bit 25 Data bus bit 10 Data bus bit 26 Data bus bit 11 Data bus bit 27 Data bus bit 12 Data bus bit 28 Data bus bit 29 Data bus bit 13 Data bus bit 30 Data bus bit 14 Data bus bit 31 Data bus bit 15 Not used Not used Not used Not used
Table A-3. CN2 Pin Assignments
Pin No. Signal Name SWINT GND LCDWRX LCDCLK SWRDX LEDWRX DB0 A0 DB2 DB1 +5 V DB3 DB4 GND DB6 DB5 DOTCLK DB7 GND RESETX GND NC GND HSYNCX EPRDYX PRDYX TODX ETBSYX STSX CMDX CTBSYX PRINITX SRCLKX CPRDYX GND VIDEO +5 V NC GND +5 V +5 V +5 V GND +5 V GND +5 V GND +5 V GND +5 V I/O I O O O O I/O O I/O I/O I/O I/O Description Switch interrupt Ground Write strobe to LCD Clock to LCD Read strobe to switch Write enable to LED Data bus bit 0 Address bus bit 0 Data bus bit 2 Data bus bit 1 +5 VDC Data bus bit 3 Data bus bit 4 Ground Data bus bit 6 Data bus bit 5 Clock to LCD Data bus bit 7 Ground Reset signal Ground Not connected Ground HSYNC for Main I/F Engine controller ready Print ready Main request Engine controller busy Status transfer Command transfer Main controller busy Print signal Serial transfer clock Main controller ready Ground Video signal +5 VDC Not connected Ground +5 VDC +5 VDC +5 VDC Ground +5 VDC Ground +5 VDC Ground +5 VDC Ground +5 VDC

I/O O I I I I I I O O O O O O
Table A-4. CN3 Pin Assignments
Pin No. 1,39,9 10,30,Signal Name Vss D0 D16 D1 D17 D2 D18 D3 D19 Vcc RD A0 A1 A2 A3 A4 A5 A6 A10 D4 D20 D5 D21 D6 D22 D7 D23 A7 A19 A8 A9 A20 EEP RESET A21 A22 A23 A11 A13 A14 A12 CS0 CS1 A18 WR A17 D8 I/O I/O I/O I/O I/O I/O I/O I/O I/O O O O O O O O O O I/O I/O I/O I/O I/O I/O I/O I/O O O O O O O O O O O O O O O O O O I/O Description Ground Data bus bit 0 Data bus bit 16 Data bus bit 1 Data bus bit 17 Data bus bit 2 Data bus bit 18 Data bus bit 3 Data bus bit 19 +5 VDC Read signal Memory address bit 0 Memory address bit 1 Memory address bit 2 Memory address bit 3 Memory address bit 4 Memory address bit 5 Memory address bit 6 Memory address bit 10 Data bus bit 4 Data bus bit 20 Data bus bit 5 Data bus bit 21 Data bus bit 6 Data bus bit 22 Data bus bit 7 Data bus bit 23 Memory address bit 7 Memory address bit 19 Memory address bit 8 Memory address bit 9 Memory address bit 20 +5 VDC Reset Memory address bit 21 Memory address bit 22 Memory address bit 23 CAS 0 CAS 2 CAS 3 CAS 1 RAS 0 RAS 1 Memory address bit 18 Write enable Memory address bit 17 Data bus bit 8
Table A-4. CN3 Pin Assignments (Continued)
Pin No. 69,71 Signal Name D24 D9 D25 D10 D26 D11 D27 D12 D28 D29 D13 D30 D14 D31 D15 A16 R/B NC NC PO4 A15 I/O I/O I/O I/O I/O I/O I/O I/O I/O I/O I/O I/O I/O I/O I/O I/O O O O Description Data bus bit 24 Data bus bit 9 Data bus bit 25 Data bus bit 10 Data bus bit 26 Data bus bit 11 Data bus bit 27 Data bus bit 12 Data bus bit 28 Data bus bit 29 Data bus bit 13 Data bus bit 30 Data bus bit 14 Data bus bit 31 Data bus bit 15 Memory address bit 16 Not used Write signal Not used Not used Memory address bit 15
Table A-5. CN4 Pin Assignments
Pin No. 27,28,29,30 57,58,59,60 3,4,5,6 41,42,43,40 Signal Name VCC VCC GND GND RESET INH CMREQ WRRDY RDREQ WRT RDT TYPB TXD READY RXD NC DB0 DB1 DB2 DB3 DB4 DB5 DB6 DB7 AB0 AB1 AB2 AB3 AB4 CS RD WR IREQ NMI DREQ DTCT PCLK RST TXD+ TXDRXD+ RXDDTR CTS NC NC LCD SWRD I/O I/O I/O I/O I/O I/O I/O I/O I/O O O O O O O O O O O O O O O Description +5 VDC +5 VDC Ground Ground Not used Not used Not used Not used Not used Not used Not used Not used Ground +5 VDC Not used Not used Data bus bit 0 Data bus bit 1 Data bus bit 2 Data bus bit 3 Data bus bit 4 Data bus bit 5 Data bus bit 6 Data bus bit 7 Address bus bit 0 Address bus bit 1 Address bus bit 2 Address bus bit 3 Address bus bit 4 Chip select signal Read signal Write signal Address bus bit 13 Address bus bit 14 Address bus bit 11 Address bus bit 12 Clock Reset signal Not used Not used Not used Not used Not used Not used Not used Not used Not used Not used

doc1

EPSON EPL-N1200

First print: Warm-up time: Paper feed: Paper feed alignment: Less than 16 seconds with A4- or lettersize paper About 60 seconds at normal temperature Automatic or manual feed Center alignment for all sizes

top cover latch

optional LocalTalk/Serial interface access cover optional interface card slot cover
AC inlet parallel C interface parallel B interface
Input paper supply (20 lb [75g/m2] paper): Up to 250 sheets in the MP Tray Up to 500 sheets per optional lower paper cassette (up to two optional cassettes) Up to 10 envelopes, depending on thickness Paper eject: Paper eject capacity: Face down 250 sheets of 20 lb (75g/m2) paper PS emulation (EPSONScript Level 2) HP LJ4 Plus (PCL5e) emulation (LJ4) HP-GL/2 emulation (GL2 mode) LQ 24-pin printer emulation (ESC/P 2) ESC/P 9-pin printer emulation (FX) IBM Proprinter emulation (I239X) 35 scalable fonts in PS mode 45 scalable, 1 bitmap font in LJ4 (PCL5e) mode 2MB, expandable up to 64MB

imaging cartridge guides

Internal emulation:

control panel

Resident fonts:
Imaging Cartridge (S051016)
paper stopper power switch front cover

Storage temperature:

32 to 95F (0 to 35C)
Storage humidity: 35 to 85% RH Shelf life: Life: 18 months after production Up to 6,000 pages under the following conditions: letter paper, continuous printing, and 5% print ratio

Printer Specifications

Printing Printing method: Laser beam scanning and dry electrophotographic process Resolution: Printing speed: dpi Up to 12 pages per minute depending on the font and quantity of data
The number of pages you can print with an imaging cartridge varies depending on the type of printing. If you print a few pages at a time or print dense text exceeding the 5% print ratio, your cartridge may print fewer pages. Paper
Note: Since the quality of any particular brand or type of paper may be changed by the manufacturer at any time, EPSON cannot guarantee the quality of any type of paper. Always test samples of paper stock before purchasing large quantities or printing large jobs.

EPSON EPL-N1200 - 1

Paper types: Plain paper, recycled paper, labels, envelopes, transparencies, colored paper, card stock, letterhead Depth: Weight: Durability: Electrical
Specification 110 V model 90 V to 132 V 50 Hz to 60 Hz 3 Hz 7A Less than 900 W Less than 30 W
19.0 inches (484 mm) 33.1 lb (15 kg) including the imaging cartridge 5 years or 300,000 sheets, whichever comes first
Note: Use recycled paper under normal temperature and humidity conditions only. Poor quality paper may reduce print quality or cause paper jams and other problems.
Paper weight: Plain paper Card stock Paper size: Paper A4 (210 mm 297 mm) A5 (148 mm 210 mm) B5 (182 mm 257 mm) Letter (8.inches) Half-Letter (5.5 8.5 inches) Legal (8.inches) Government Letter (8.5 10.5 inches) Government Legal (8.inches) Executive (7.25 10.5 inches) F4 (210 mm 330 mm) Custom (92 ~ 216 mm 148.5 ~ 356 Monarch (3 7/1/2 inches) Commercial 10 (4 1/1/2 inches) DL (110 mm 220 mm) C5 (162 mm 229 mm) International B5 (176 mm 250 mm) C6 (114 mm 162 mm) 60 to 90 g/m2, 16 to 24 lb 90 to 157 g/m2, 24 to 42 lb
Voltage Rated frequency Rated current Power consumption Power consumption in Standby mode with no options installed
Interfaces Parallel B Interface: IEEE 1284-I compliant Parallel C Interface: IEEE 1284-II compliant
Using ECP Mode in Windows 95

mm) Envelopes

To use the ECP mode with a Parallel C (IEEE 1284 level II compliant) connector, your computer must support the ECP mode.
Note: The ECP mode is not available with Windows 3.1 and Windows NT.
To use the ECP mode, follow these steps: 1. Make the ECP mode settings in the BIOS setting program that comes with your computer. (For details of the settings and the program, see your computer manual.) 2. Click the Start button, point to Settings, and then click Control Panel. 3. Right-click the System icon, and click Open in the menu that appears. 4. Select the Device Manager tab. 5. Select the ECP Printer Port under Ports (COM & LPT), then click the Properties button. 6. Select the Resources tab. 7. Make the appropriate setting in the Resource settings dialog box. (This setting depends on your computer system. For details, see your computer manual.) 8. Click OK to save the settings.
Optional Serial Interface
Caution: Only load paper sizes that are listed above.

Printable area:

95 dots from paper edge based on 600 dpi; varies depending on the emulation mode
Environmental Temperature: Humidity: Altitude: Mechanical Dimensions and weight: Height: Width: 10.4 inches (265 mm) 16.2 inches (411 mm) 1/97 Operation: 50 to 95F (10 to 35C) Storage: 32 to 95F (0 to 35C) Operation: 15 to 85% RH Storage: 35 to 85% RH 8,200 feet (2,500 meters) maximum
The printers optional serial interface can be set for either RS-232C or current loop operation. The data format settings can be changed using SelecType.

2 - EPSON EPL-N1200

500 Sheet Lower Paper Cassette Paper size: Paper weight: Paper feed: Letter (C812631) 16 to 24 lb (60 to 90 g/m ) Automatic feed delivery system Cassette capacity up to 500 sheets (20 lb or 75 g/m2 paper) For the first sheet, 22 seconds or less; subsequent sheets, 12 pages per minute Plain paper, such as copier paper, and recycled paper
500-sheet Lower Paper Cassettes (C812631) By installing optional 500-sheet lower paper cassettes you can increase the print capacity from 250 sheets (in the builtin paper tray) to 750 sheets (with one lower paper cassette) or 1,250 sheets (with two lower paper cassettes). Optional Memory Modules Your printers controller board includes two slots in which you can install single in-line memory modules (SIMMs) to increase the printers memory up to 64MB. You can install one or two SIMMs that meet these requirements: t 72-pins t 1MB, 2MB, 4MB, 8MB, 16MB, or 32MB capacity t Maximum 70 ns access speed t Maximum dimensions: 4.25 inches (108 mm) long, 1.53 inches (39 mm) wide, and 0.4 inch (10 mm) thick.
Feeding speed: Paper types:
AC power supply: DC 5 V supplied by the printer Dimensions and weight: Height Width Depth Weight 4.2 inches (107 mm) 15.9 inches (405 mm) 18.9 inches (477 mm) 8.8 lb (4.0 kg)

Options

Optional Interface Cards and Modules
EPSON part number C823551
Installing a LocalTalk/Serial Module
1. Turn off the printer and unplug the power cable from the electrical outlet.

Warning: To avoid electrical shock, do not access the printer's controller board unless the printer is turned off and unplugged from the electrical outlet.
Interface name LocalTalk/ Serial module
Uses Serial port or LocalTalk port: Serial port for connection to computers with RS-232C or current loop serial connections LocalTalk port for connection to a LocalTalk network or for direct connection to a Macintosh For connection to a computer with an RS-232C serial port For connection to an additional computer with a standard parallel port Provides a parallel interface and a coax interface for connection to these IBM mainframes: 3174, 3270, 3276, and 4274 Provides a parallel interface and a coax interface for connection to these IBM systems: AS-400, System 36, 5251 (model 12), System 34, System 38, and 5294. * For direct connection to an Ethernet network
2. Remove the four screws securing the controller board bracket on the printers back panel.
32KB Serial interface card 32KB Parallel interface card Coax interface card Twinax interface card

C823071 C823101 C823141

C823151
Multi-protocol Ethernet print server

C823461

When your printer uses an EPSON Twinax interface card, it can be used in place of these IBM system printers: 4210, 5224 (models 1 and 2), 5256 (models 1, 2, and 3), 3218 (non-IDPS), 4214 (model 2), 5225 (models 1, 2, 3, and 4), and 5219 D01 and D02.
3. Pull on the plastic tabs to remove the controller board and place it on a clean surface.
Warning: Do not touch the electrical components on the controller board; they may be hot from recent use.

EPSON EPL-N1200 - 3

4. Remove the plastic connector cover from the controller board bracket. 7. Position the controller board so its components face the side panel of the printer and align it with the top and bottom guide rails in the printer. Then slide in the board.
5. Now set the jumper and slide switch settings on the LocalTalk/Serial module for the type of interface youll be using: RS-232C serial, current loop serial, or LocalTalk (default). 8. Secure the controller board bracket with the four screws you removed earlier.
Caution: Make sure both slide switches are set to the same position or the printer will not operate correctly.

9. Connect the appropriate cable to the module through the hole you exposed in step 4. 10.Plug the power cord into an electrical outlet; then turn on the printer. To verify that the interface is working properly, print a status sheet and make sure your interface is listed under Hardware Configurations.
6. Position the module as shown below; then align its connector with connector CN4 on the controller board. Secure the module with the two screws that came with it.
Installing an Interface Card
Warning: To avoid electrical shock, do not remove the interface slot cover unless the printer is turned off and unplugged from the electrical outlet.

4 - EPSON EPL-N1200

2. Remove the two screws securing the interface slot cover; then remove the cover. 4. Grasp the printer by the recessed handles. Lift it up and then lower it over the cassette(s), aligning the holes in the printer with the pins on the top cassette. Make sure the printer rests on the cassette(s) evenly and securely.

handle

3. Position the optional interface card so its components face the center of the back panel. Then align its top and bottom grooves with the guide rails inside the printer and slide in the card, pushing it firmly to lock it in place.
5. Connect the interface cable(s). 6. Make sure the printers power switch is in the off position; then plug the power cable into an electrical outlet. 7. Turn on the printer. 8. Now run the Windows printer driver to add the optional paper cassette(s) to your available paper source list.
Note: If you use the Remote Control Panel utility or SelecType to control your printer, you need to select the optional paper cassette(s) only when you are ready to print.
4. Secure the card with the two screws you removed earlier. 5. Connect the appropriate cable to the interface card. 6. Plug the power cord into an electrical outlet; then turn on the printer. To verify that the interface is working properly, print a status sheet and make sure your interface is listed under Hardware Configurations.
Installing Memory Modules
Installing Lower Paper Cassettes
1. Turn off the printer and unplug the power cord from the electrical outlet. 2. Disconnect any interface cables from the printer. 3. Place each lower paper cassette next to the printer so the ridged front edges face the same way as the ridged front edge of the printer. If youll be installing two cassettes, place one cassette on top of the other. 1/97
2. Disconnect any interface cables from the printer. 3. Follow steps 2 and 3 on page 3 to remove the controller board from the printer.

EPSON EPL-N1200 - 5

4. Locate the two SIMM slots on the controller board. You can use either or both RAM slots, but do not use the ROM slot.

ROM slot RAM slots

To verify that the SIMM is working properly, print a status sheet and make sure the correct memory amount is listed under Hardware Configurations.

Using OneTouch Modes

The OneTouch modes give you a quick and easy way to change the most common settings. There are two OneTouch modes, each with four settings shown on the top two lines of the control panel. Follow these steps to change a setting using OneTouch modes: 1. Make sure the printer is turned on and the On Line light is on.
5. Align the SIMM pins marked either 1 or 72 with the pin position marked on the slot. Then insert the SIMM at an angle and rotate the top until it is vertical and clicks into place. (Do not push too hard.)
2. To change a mode 1 setting, press the SelecType button until the light next to the Paper Source setting comes on. To change a mode 2 setting, press SelecType until the light next to the RITech setting comes on. 3. The current values for all four settings appear in the control panel display above the setting labels. Press the button beneath the setting you want to change until the value you want appears in the display. (To move backward through the options, hold down Alt and the button for the setting.) 4. To save your changes and exit the OneTouch mode, press the On Line button. To save your changes and move to the other OneTouch mode, press the SelecType button; then make your changes and press On Line to exit. OneTouch Mode Settings The following table lists the options available for each OneTouch mode setting. Default settings are shown in bold type.
6. Follow the steps on page 4 to reinstall the controller board in the printer. If you ever need to remove a SIMM, pull back the metal clips on each side of the slot; then grasp the SIMM and pull it out.

6 - EPSON EPL-N1200

OneTouch mode setting options
Setting Paper Source Options Auto MP (built-in tray) LC1 (lower cassette 1) LC2 (lower cassette 2) A4, A5, B5, LT, HLT, LGL, GLT, GLG, EXE, F4, MON, C10, DL, C5, C6, IB5, CTM On Off Portrait Landscape Dark Medium Light Off 1 to 999 A4, A5, B5, LT, HLT, LGL, GLT, GLG, EXE, F4, MON, C10, DL, C5, C6, IB5 On Off Description Selects the tray to load paper from; Auto loads from the tray containing paper that matches the Page Size setting below Selects the page size of the image to be produced Turns manual feed mode on or off for the built-in paper tray Selects the print direction on the page Sets the RITech (Resolution Improvement Technology) setting for your print job Selects the number of copies to print Selects the size of paper loaded in the built-in paper tray Sets the amount of toner used in your print job; for draft copies, set to On to use approximately 50% less toner for a lighter printout
If you need to change SelecType settings, follow these steps: 1. Make sure the printer is turned on and the On Line light is on. 2. Press the Menu button on the control panel.

Page Size

Manual Feed

Orientation RITech

Copies MP Tray Size

Toner Save

You have now entered SelecType mode, which changes the functions of the control panel buttons as described in the table below.
Button Menu Function Selects a new SelecType menu Selects a new menu item Changes the setting of an item Saves the new setting of an item Used with Menu, Item, and Value to scroll through selections in reverse order Used with Continue to reset the printer On Line or SelecType Exits SelecType mode

Using SelecType

The SelecType button accesses a series of menus and options that are shown on the control panel display. Although you can set some of the SelecType options through your driver software, you need to use the printers control panel to access functions like the following: t Checking the amount of toner remaining t Changing the memory buffer size t Configuring interface channels t Changing emulation modes Changing SelecType Settings You can look at your current SelecType settings by printing a status sheet. To do this, wait until the printer warms up (Ready appears on the control panel display and the On Line light is on); then press the Enter button twice.
Note: Some application programs may send commands to your printer that override SelecType settings. If you do not get the results you expect from SelecType, check your application software settings to see if they affect your output.

Item Value Enter Alt

3. Press the Menu button to select the SelecType menu that includes the setting you want to change. Then press the Item and Value buttons as necessary to change the setting. 4. Press Enter to save the new setting. 5. Press On Line or SelecType to exit SelecType mode. See the next section for tables describing all the SelecType menus and settings.

EPSON EPL-N1200 - 7

SelecType Settings
Menu Test Items Status Sheet LJ4 Font Sample ESCP2 Font Sample FX Font Sample 1239X Font Sample PS Status Sheet PS Font Sample PS Fact Sheet Emulation Parallel B Parallel C Serial L/T (LocalTalk) AUX (another optional interface) Printing Paper Source Page Size Orientation Copies Manual Feed Resolution Tray Size MP Tray Size LC1 LC2 Config RITech * Toner Save * Density Top Offset Left Offset Size Ignore Auto Cont Page Protect ** Image Optimum Setup Interface Time Out Standby Lang Toner Toner Count Clear Page Count SelecType Init Parallel B and Parallel C Speed Bi-D *** Buffer Size PS Menu Menu LJ4 Items FontSource Font Number Pitch Height SymSet * Form Source SymSet ** Dest SymSet ** Err Sheet Protect Level

Menu Serial

Items Word Length Baud Rate Parity Stop Bit XOn/XOff DTR Buffer Size
You can also change these settings using OneTouch modes.
** Changing the Page Protect setting reconfigures your printer memory and may erase any downloaded fonts. ***Available only on the Parallel B menu. Note: You can also change these settings using the Remote Control Panel utility as described in the Technical Information manual. To match the computer's baud rate or set a higher one than that supported by your computer, see the Technical Information manual (this may not work with some computers). LT and AUX Menus

The LT menu appears only when you have installed the LocalTalk/Serial module and have set the Emulation menu to LT. The AUX menu is available only when you have installed a Type B interface. Both menus have one menu item, Buffer Size, that sets the memory allocation used for the optional interface. You can set it to Maximum (more memory allocated for receiving data), Minimum (more memory allocated for printing data), or Normal (for balanced usage); Normal is the default.

8 - EPSON EPL-N1200

Be sure to install EPSON imaging cartridge #S051016 even if the cartridge you are removing has another part number. Follow these steps to replace the imaging cartridge: 1. Make sure the printer is turned on. 2. Open the printers top cover. 3. Grasp the old imaging cartridge and pull it straight out of the printer.
Warning: Do not touch the fuser inside the printer; it is marked with the label CAUTION HOT SURFACE.

Menu ESCP2 and FX

Items Font Pitch Condensed T.Margin Text *** CG Table Country AutoCR AutoLF Bit Image ZeroChar
Font Pitch Code Page T.Margin Text *** AutoCR AutoLF Alt.Graphics Bit Image ZeroChar Character Set
4. Dispose of the used imaging cartridge with non-burnable trash. 5. Unpack the imaging cartridge and hold it level with the oval handle face up. Then shake the cartridge as shown to distribute the toner
Caution: Do not turn the imaging cartridge upside down. Do not expose the imaging cartridge to light any longer than necessary.
If the font selected in the FontSource and Font Number settings is not available in the SymSet you choose, the FontSource and Font Number settings return to their default values.
** These menu items are available only when an optional font ROM module is installed. ***If you change the Page Size, Orientation, or T.Margin settings, the Text setting returns to its default value.
Replacing the Imaging Cartridge
The printers imaging cartridge can print up to 6,000 pages, depending on how complex your print jobs are. There are several ways to tell when you need to replace a cartridge: t You see a Toner Low message on the control panel display t You see a Toner Out message on the display t You notice that printing is faint and the Toner function in SelecType tells you that you have 0 to 25% toner capacity. If you see a toner message on the control panel display, replace the cartridge right away. To check the toner capacity using SelecType, access the Setup menu and select Toner. If there is only one asterisk on the display, you have 25% or less of toner left and must replace the cartridge. If you have more left, there may be another reason your printing is faint. 6. Grab the tab on the left side and pull the clear tape all the way out of the cartridge.

EPSON EPL-N1200 - 9

7. Now shake the cartridge again as shown to distribute the toner. To determine whether you need to adjust the RITech setting, print a status sheet using the printers control panel. Follow the steps below: 1. Turn on the printer and let it warm up until you see the Ready message on the control panel display and the On Line light comes on. (If it doesnt come on, press the On Line button.)
Note: Before proceeding, make sure Toner Save Mode is turned off or the status sheet will not print. You can also turn it off using the control panel or the Remote Control Panel utility.
2. Press the Enter button twice to print the status sheet. At the bottom of the sheet you see the RITech test pattern: 8. Line up the cartridge pins with the green guides inside the printer; then slide in the cartridge until it stops.

Incorrect

Correct
3. If the test pattern looks correct, do not change the RITech setting. If it looks incorrect, go to step 4. 4. Open an application program and access the printer driver.
Note: If you are using the Windows 3.1 EPSONScript driver, you must use the control panel to adjust the RITech setting.
5. Click the Device Options or Printer SelecType tab. 6. If the RITech test pattern inside the square is lighter than the background, select Dark as the RITech setting. If the pattern is darker than the background, select Light. 9. Close the top cover. 10.Select Toner Count Clear on the SelecType Setup menu to reset the toner counter. 7. Click the OK button. 8. When you see the prompt asking if you want to send your changes to the printer, select Yes. 9. Exit the printer driver.
Adjusting the RITech Setting
EPSONs new Resolution Improvement Technology (RITech) automatically improves the print quality of your lines, text, and graphics. Most of the time it works behind the scenes to provide the best printed output. Occasionally, however, you may need to adjust the RITech setting if you notice a change in quality, such as after you replace the imaging cartridge.
10.Now print a page from your application to check the print quality. If the quality is good, youre finished. If the quality needs further improvement, go to step 11. 11.Access the printer driver again and click Device Options or Printer SelecType. 12.Change the Toner Density setting to Dark or Darkest (if the RITech test pattern was too light) or Light or Lightest (if the test pattern was too dark).

10 - EPSON EPL-N1200

Note: If you are using the Windows 3.1 EPSONScript driver, you must use the control panel to adjust the Density setting.

t Never let more than 250 sheets accumulate in the output tray on top of the printer. t Try turning over the stack of paper in the tray. Most packages of paper indicate the printable surface with an arrow on the end of the package. Make sure that side is loaded face up. t If you use an optional lower paper cassette, check the following: If paper will not load at all, be sure you have selected to load from the cassette in the printer driver. (Also make sure the cassette contains paper and is properly installed.) Make sure you are using letter size paper in the cassette(s) you have. Fixing Paper Jams in the Built-in Paper Tray If the printer stops and the Feed Jam or Paper Jam message appears, follow these steps:
13.Click the OK button. 14.When you see the prompt asking if you want to send your changes to the printer, select Yes. 15.Exit the printer driver. 16.Print several pages from your application that contains text and graphics to check the print quality and make sure the Density setting is not too extreme. The RITech and Density settings you chose remain in effect even after you turn off the printer. Remember that the darker your Density setting the more toner you use, so change the setting back to Medium if you do not need dark printing later on.

Using Hex Dump Mode

Hex dump mode is a special feature that makes it easy for experienced users to find the cause of communication problems between the printer and the computer. In hex dump mode, the printer produces an exact printout of the codes it receives. Follow these steps to turn on hex dump mode and send a print job using it: 1. Make sure paper is loaded and the printer is turned off. 2. Hold down the Form Feed button while you turn on the printer; hold down the button until you see Hex on the control panel display. 3. Open an application and print a document. Your printer prints out all the codes it receives in hexadecimal format. 4. To turn off hex dump mode, turn off the printer or reset it by pressing and holding down the ALT and Continue buttons at the same time. When Reset All appears on the display, release the buttons.
1. Open the printers front cover. 2. Carefully remove all the paper in the built-in paper tray and any sheets fed partially into the printer.
3. Open the printers top cover and remove the imaging cartridge. Then remove any paper remaining inside the printer and replace the imaging cartridge.

Paper Feeding Problems

If you have frequent paper feed or paper jam problems, try the following to prevent them: t Use a higher-quality paper, one that is not too thin or rough. t Fan the stack of paper and then tap the edges to align them before you load the stack. t Be sure you do not load too much paper. t Be sure to adjust the paper guides so that the paper can slide in freely. 1/97

Caution: If toner gets on your hands as you remove paper, be careful not to touch your clothing. If toner gets on your clothes, remove it with cold water; hot water may leave a permanent stain.
4. Tap the edges of your stack of paper and carefully reload it into the built-in paper tray. 5. Close the printer covers and press the Continue button. The jammed pages print data is automatically reprinted.

EPSON EPL-N1200 - 11

Fixing Paper Jams in an Optional Lower Paper Cassette If the printer stops and the Feed Jam or Paper Jam message appears, follow these steps: 1. Remove the paper tray from the lower paper cassette. 2. Remove all the paper from the cassette and discard any curled or wrinkled sheets. 3. Tap the edges of your stack of paper and carefully reload it into the cassettes paper tray. 4. Reinstall the paper tray in the lower paper cassette. 5. Follow step 3 under Fixing Paper Jams in the Built-in Paper Tray, above. 6. Press the Continue button. The jammed pages print data is automatically reprinted.
Information Reference List
Engineering Change Notices None Product Support Bulletins None Technical Information Bulletins None Related Documentation TM-EPLN1200 PL-EPLNEPSON EPL-N1200 Service Manual EPSON EPL-N1200 Parts Price List EPSON EPL-N1200 Users Guide EPSON EPL-N1200 Technical Information EPSON EPL-N1200 Quick Setup

12 - EPSON EPL-N1200

 

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