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Samsung ML-1610-TED


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Comments to date: 8. Page 1 of 1. Average Rating:
helen5980 9:10am on Thursday, October 21st, 2010 
Model:HD161HJ Quiet hard drive, Considerably fast, stable (no crash recorded) SATA power connecter a bit fragile I use this disk primarily for storage... mp3 & movies but it crashed on a FAT32 file system... all files went out... huhuhu. bad experience... Crashed 4 times during the one year warranty. Fast (before it crashes) Prone to failure....S.M.A.R.T. errors each time
zoubir97 5:32pm on Saturday, August 21st, 2010 
Samsung F3 HD103SJ Hard Drive Excellent performance at a good price. Very quiet drive, and much speedier than the original.
Beffe 12:56am on Saturday, August 21st, 2010 
What a shame - I have over a dozen Samsung drives in service and 2/3 of these failed. The runaround from Samsung is the most disappointing aspect. Fast ; Lots of storage space None
radiance7 3:21am on Friday, July 23rd, 2010 
Great piece of kit Works out of the box. Given our PC a new lease of life. Not more to say really! Insufficient Packaging/Protection During Delivery - But Good Product I bought this drive last week and it arrived yesterday. The product is fine. Great drive for PS3 Does what it says on the tin. Swapped HD in my PS3, I now have 465GB instead of 37GB. Very nice.
pravoslavnie 1:44am on Friday, May 7th, 2010 
Excellent drive! Have been using this as a backup drive for about 2 months. Fast. great drive I love this hard drive.
keawhite 11:51pm on Monday, April 12th, 2010 
very quite in use good read&seek performance staight forward installation none found Installed on PC running XP Pro as additional storage editing and playback of video and picture files. Easy to install and does the job well. None
balpa 11:32pm on Sunday, April 11th, 2010 
i wish Newegg sold 16MB cache drives in IDE still (at time of purchase. Works quite well in the Toshiba Satellite S135 none Inexpensive it ran fast, quiet, and cool inside a freenas server for about 6 months then a few clicking noises and that was it.
Sionnach 2:21am on Tuesday, March 23rd, 2010 
Excellent drive. One con. Excellent drive. One con--have to click on icon to eject drive before you can remove it.

Comments posted on are solely the views and opinions of the people posting them and do not necessarily reflect the views or opinions of us.




OPC Drum

Photo Diode Polygon Mirror Polygon Motor LD Driver circit Motor Driver

Protector panel

LD(Laser Diode)

3.1.6 Toner Cartridge

By using the electronic photo process, it creates a visual image. In the toner cartridge, the OPC unit and the developer unit are in a body. The OPC unit has OPC drum and charging roller, and the developer unit has toner, toner cartridge, supply roller, developing roller, and blade (Doctor blade) - Developing Method: Non magnetic 1 element contacting method - Toner: Non magnetic 1 element shatter type toner - The life span of toner: 2,000 sheets (ISO 19752 Pattern/A4 standard) - Toner Cartridge : Initial(1,000), Sales(3,000) - Toner remaining amount detecting sensor: None - OPC Cleaning: Collect the toner by using electric static + FILM OPC - Management of disusable toner: Collect the toner by using electric static (Clenerless Type- No disusable toner) - OPC Drum protecting Shutter: None - Classifying device for toner cartridge: ID is classified by interruption of the frame channel.
Max -1.4KV 8 Cleaning Blade -100V 2 Cleaning Roller 1 0.20mW -720V -150V
3.2 H/W Structure and Descriptions

3.2.1 H/W Overview

ML-2010 is roughly made up Main Control part and SMPS/HVPS part. Main Controller uses Jupiter4E for its ASIC, which is on chip micro controller and developed for Low-end Laser Beam Printer. Jupter4E provides the integrated printing functions such as Printer video controller, Laser Scan Unit controller, PWM controller and Bi-polar Stepper Motor Controller and has USB interface and built-in Flash memory with 4Mbits capacity.


(Build-in HVPS)

HVPS Main Controller

Jupiter IV ASIC DRAM 2M Byte Flash Memory 0.5M Byte
V1.1 USB Printer Engine BD Main Control

ML-2010 of Main Control are composed of CPU and Print and operate follows function by CPU - Bus Control, I/o - Handling, each Driver and PC Interface Main Control operate its full function on the Main B'd and CPU control Controller ASIC and build-in Memory.

3-12 Service Manual Samsung Electronics Jupiter4E Internal Block Diagram




( ARM940T I / C 4 KB D/ C 4 KB ) (


mf l 130_128Kx32 )




ADDR18-0 DATA15-0 nSWE/nWE


I OC ( 3 CH)

RXD1-0 TXD1-0


/ RO M C (1 CH) UART

D+ DDpullup VBUS


( USB1. 1 )




( dac1264x_1455)
GPIO4-0 GPO27-0 TEST OM2-0



( adc1275x_pc)


( pll 2096x, pll 2073x)





3.2.4 Sensor Controller Paper Feeding/Width
When a paper passes an actuator of a feed sensor unit after feeding a paper into a set,it detects a signal of the photo interrupter and informs the paper feeding status to CPU. After sensing the signal and certain time later, it strews an image data.(Related in Paper Front Edge Adjustment) If it could not detect the feed sensor within 1 second after feeding a paper, a paper jam0 (CPU#_) occurs. ML-1610 differs from other general printers because it doesnt have a paper empty sensor. It recognizes the paper existing status by using a firmware. If a paper is not fed, it recognizes the state as no paper (Red and Yellow lights turn on among other LEDs). With the same principle, it senses the OPC unit. After OPC unit is mounted,the actuator operates. When it passes the actuator of sensor unit, it detects the signal of the photo interrupter, informs the existing OPC unit to CPU, and then stays at the status. Paper Empty Sensing
The paper empty is detected by the empty sensor mounted to an engine board and the actuator mounted to a frame. Paper senses the on/off time of the empty sensor by using CPU and informs the normal operation status and the jam occurrence status to CPU. Jam Cover/Cover Open Sensing
ML-1610 uses two M/S:one senses the cover open and the other senses the jam cover open. The cover open sensor is located on the left bottom of HVPS.When the front cover is open, +24V supplied to each unit (DC fan,Solenoid,Main Motor,Polygon Motor Unit of LSU in Fusing Unit,and HVPS)is interrupted. The jam cover open sensor is located on the left bottom of SMPS. When the jam cover is open, +24V supplied to each unit (DC fan, Solenoid, Main Motor, Polygon Motor Unit of LSU in Fusing Unit, and HVPS) is interrupted. D0 bit of CPU detects the jam cover open/cover open, and D7 bit of CPU detects the existence of OPC. In this case, it informs the status to user by turning on the red LED among OP panel LEDs.

- Environment Condition. Operating temperature range : 0 40. Maintaining temperature range : -20 40. Preserving Humidity Condition : 10% ~ 90% RH. Operating atmospheric pressure range : 1atm - EMI Requirement : CISPR ,FCC, CE, MIC, - Safty Requrement : IEC950 UL1950, CSA950, C-UL,Semko, EK,CB, CCC(CCIB),GOST, EPA, Power Save
3.2.6 HVPS board (High Voltage Power Supply)
The HVPS board creates the high voltage of THV/MHV/Supply/Dev and supplies it to the developer part for making best condition to display the image. The HVPS part takes the 24V and outputs the high voltage for THV/MHV/BIAS, and the outputted high voltage is supplied to the toner, OPC cartridge, and transfer roller. 1) Transfer High Voltage (THV+) - Input Voltage : 24 V DC 15% - Out Voltage : Max. +1.3KV 15% (Cleaning,200 ) - Out Voltage Trigger : 6.5 - Input Voltage Variation : 5 % below(Variation 21.6V26.4V) Load Variation : % below - Out Voltage Rising Time : 100 ms Max - Out Voltage Falling Time : 100 ms Max - Transfer Variation Voltage on Environment Variation : +650 V(Duty 10%) ~ 5KV (Duty 90%) - Control Method on environment : THV-PWM ACTIVE,transfer Active signal, of environment sensing voltage is input and get feed back current, and recalculate it to resistence. - Control method on transfer output voltage : It is controlled by changing its duty of THVPWM Signal as follows. 10% Duty : +650V, 90% Duty : +5KV 5% 2) Charge Voltage (MHV) - Input Voltage : 24 V DC 15% - Out Voltage : -1.3KV ~ 3.2% - Out Voltage Rising Time : 50 ms Max - Out Voltage Falling Time : 50 ms Max - Out Voltage Range : 30 ~ 1000 - Output Control Signal(MHV-PWM) : CPU is HV output when PWM is Low 3) Developing Voltage (DEV) - IInput Voltage : 24 V DC 15% - Output Voltage: -350V 4.6% - Output Voltage Fluctuation range: PWM Control - Input contrast of the output stability degree : 5 % or less - Loading contrast : 5 % or less - Output Voltage Rising Time : 50 ms Max
Service Manual Samsung Electronics 3-17
- Output Voltage Falling Time : 50 ms Max - Output Loading range : 10M ~ 1000 - Output Control Signal (BIAS-PWM) : the CPU output is HV output when PWM is low. 4) Supply - Output Voltage : -550 V 8.6%(ZENER using, DEV ) - Input contrast of the output stability degree : under 5 % - Loading contrast : 5 % or less - Output Voltage Rising Time : 50 ms Max - Output Voltage Falling Time : 50 ms Max - Output Loading range : 10 ~ 1000 - Output Control Signal (BIAS-PWM) : the CPU is HV output when PWM is low.

LED2 (Toner Save LED) CN3 LED1 (Error LED) Switch
DEV THV Supply Micro Switch
Fuser(HEAT LAMP) gets heat from AC power. The AV power controls the switch with the Triac, a semiconductor switch. The 'ON/OFF control' is operated when the gate of the Triac is turned on/off by Phototriac (insulting part). In other words, the AC control part is passive circuit, so it turns the heater on/off with taking signal from engine control part. When the 'HEATER ON' signal is turned on at engine, the LED of PC1 (Photo Triac) takes the voltage and flashes. From the flashing light, the Triac part (light receiving part) takes the voltage, and the voltage is supplied to the gate of Triac and flows into the Triac. As a result, the AC current flows in the heat lamp, and heat is occurred. On the other hand, when the signal is off, the PC1 is off, the voltage is cut off at the gate of Triac, the Triac becomes off, and then the heat lamp is turned off. 1) Triac (THY1) feature :16A, 600V SWITCHING 2) Phototriac Coupler (PC3). Turn On If Current : 16mA. High Repetive Peak Off State Voltage : Min 600V
3.3 S/W Structure and Descriptions
The purpose of this document is to describe the design specification of the Engine Control F/W for the ML-1610.

3.3.1 Introduction

This Engine Control Firmware is a program that controls LBP Engine of the ML-1610. This firmware is executed every 10msec as an interrupt routine of the main system. At stand-by state, this firmware monitors the enable print command from the main system. If the enable print command is detected, this firmware controls the Engine Mechanism according to the printing process and paper feeding state. And with the Sleep command or Wake-Up command, this firmware controls the Engine state.
3.3.2 Engine Control F/W Overview
Engine Control F/W is executed every 10msec by timer interrupt of main system. And it consists of 3 control modules. - Engine Main Control, Interface Control and Sensing & Unit Control Module. Major operations of the Engine Control F/W are following. - Control the Pick-Up, Feeding and Discharging of Paper - Control the LSU - Control the HVPS for the Developer Process - Control the Temperature of Fixing unit Controlling selection to here is added. - Second Cassette Feeder(SCF) : N/A
- Architecture of Engine Control F/W
Main F/W of the printer controller

Power On Initial

Engine F/W
Device Units Fixing Unit LSU HVPS Engine Main Control Module Fan Unit Motors Solenold & Clutch

Interface Control Module

Sensing & Unit Control Module
Hardware Devices & Mechanical Device
3.3.3 F/W Architecture of Engine Control Firmware
- The Engine Control Module is executed every 10msec as interrupt job of main system. There are three control modules, i.e., Engine Main Control Module, Engine Interface Module and Sensing & Unit Control Module. - Probably from usual state it will be able to rehabilitated a prior to entry error state in error condition it is to confirm. When the if rehabilitation is possible then after rehabilitating it goes back in usual state, else with an error condition it goes in error state. Currently the rehabilitation function of the low heat error , the over heat error and the LSU error is embodied. - Low Heat Error When the error occurrs, it does not indicate an error. It stores the present temperature and supplies the heat to the fixing unit during the scheduled time. If the temperature goes up after scheduled time, it goes back to a normal state. However, if not, it is formed that an error occurrs. - Over Heat Error When the error occurs, it informs an error first. It stores the present temperature as well and waits a scheduled time. If the temperature goes down after scheduled time, then it goes back to a normal state. However, if not, it is formed that an error occurrs. - Lsu Error When the error occurrs, it does not indicate an error. It accomplishes printing only again. If even time when it judges an error, it informs an error. Concretely speaking, if the LReady or Hsync error happens, the paper exits out beforehand. And then the engine mode is changed to recovery mode and the engine informs the main system of the engine mode. And the engine checks the LSU error in itself. If the error doesnt happen, the printing job will be proceeding.

Alignment and Adjustments

4.1 Sample Pattern

This product has the several sample patterns for maintenance. With the sample patterns, check the existence of the abnormality. The patterns help to regularly maintain the product.
4.1.1 Printing a Demo Page
Print a demo page or a configuration sheet to make sure that the printer is operating correctly. 1) Hold down the Cancel button for about 2 seconds to print a demo page.
2) The Demo page or the configuration sheet shows the printers current configuration.

ML-20XX Series

Monochrome Laser Printer


Up to 22ppm(Letter)/20ppm(A4) print speed: ML-2010/ML-2015 Series
* Print speed will be affected by operating system used, computing performance, application software, connecting method, media type, media size, and job complexity.
True 600 x 600 dpi print resolution 150NHz processor 8MB Memory 150 sheets paper cassette


One touch Toner Save Button - expand the life of the toner cartridge by 40% One touch Cancel Button Great Price, Great Performance


Windows 98/2000/Me/XP: ML-2010 Series Windows 95/98/NT4.0/2000/Me/XP: ML-2015 Series Various Linux OS including Red Hat, Caldera, Debian, Mandrake, Slackware, SuSE, and Turbo Linux USB 1.1 interfaces: ML-2010 Series

everyones invited
**AII other trademarks are the property of their respective owners. Samsung Electronics, AII rights reserved.

4.2 Control Panel

4.2.1 OP Panel
4.2.2 On Line/Error and Toner Save LEDs
LED Description If the On Line/Error lights green, the printer is ready to print. If the On Line/Error lights red, the printer is experiencing an error, such as jammed paper, no paper, the open cover or the empty toner cartridge. If you press the Cancel button while the printer is receiving data, the On Line/Error LED blinks red to cancel printing. In Manual Feed mode, if there is no paper in the tray, the OnLine/Error LED blinks red. Load paper into the tray and the LED stops blinking. If the printer is receiving data, the On Line/Error LED slowly blinks green. If the printer is printing the received data, the On Line/Error LED blinks green fast. If you press the Cancel button in Ready mode, this LED is on and the Toner Save mode is enabled. If you press this button once again, this LED is off and the Toner Save mode is disabled. If the On Line/Error and Toner Save LEDs blink, your system has some problems.

4.2.3 Cancel button

LED Printing demo page Manual feeding Canceling print job Description In Ready mode, press and hold this button for about 2 seconds until all LEDs blink slowly, and release. Press this button each time you load a sheet of paper in the tray, when you select Manual Feed for Source from your software application. Press this button during printing. The On Line/Error LED blinks while the print job is cleared from both the printer and the computer, and then return to Ready mode. This may take some time depending on the size of the print job. In Manual Feed mode, you cant cancel the print job by pressing this button. In Ready mode, press this button to turn the Toner Save mode on or off.

Disassembly and Reassembly
5.1 General Precautions on Disassembly
When you disassemble and reassemble components, you must use extreme caution. The close proximity of cables to moving parts makes proper routing a must. If components are removed, any cables disturbed by the procedure must be restored as close as possible to their original positions. Before removing any component from the machine, note the cable routing that will be affected.
Whenever servicing the machine, you must perform as follows:
1. Check to verify that documents are not stored in memory. 2. Be sure to remove the toner cartridge before you disassemble parts. 3. Unplug the power cord. 4. Use a flat and clean surface. 5. Replace only with authorized components. 6. Do not force plastic-material components. 7. Make sure all components are in their proper position.
Releasing Plastic Latches
Many of the parts are held in place with plastic latches. The latches break easily; release them carefully. To remove such parts, press the hook end of the latch away from the part to which it is latched.
5.2 Disassembly and Reassembly

5.2.1 Front Cover

1. Open the front cover.(The front cover and the cassette tray are assembled with the same assembly.) 2. Separate the cover from the lock of the frame by pulling the right bottom of the cover toward the arrow direction. Pull out the front cover to the left as shown as below.

Cassette Tray

Front Cover

5.2.2 MP Tray

1. Open the front cover. 3. Hold the MP Tray and pull it to the arrow direction.

MP Tray

2. Release the Toner Cartridge.

Toner Cartridge

5.2.3 Cassette Tray
1.For separating only cassette tray,open the tray. 2. Hold the set and lift up the hook on the left bottom toward the arrow direction.Separate the cassette tray by pulling it out to the left as shown as below.

2 Cassette Tray

5.2.4 SMPS Cover
1. Release two screws. (Screw x2:Silver_M3,6003-000196) 2. Separate the lock by holding the left side of the cover and pulling it toward the arrow direction. Remove it with carefulness that the power switch is not hooked on SMPS cover as shown as below.

SMPS Cover

5.2.5 Main Cover
1. Before Disassembling. -Separate the font cover.(Refer to 5.2) -Separate the SMPS cover.(Refer to 5.3) 2. Release 4 screws as shown as below. (Screw x 4 : Silver_M3,6003-000196) 4. Separate it by holding the both sides of the main cover and carefully lifting it up.

Main Cover

3. Hold the both ends of the cover and pull it up bit by bit toward the arrow direction as shown as below.
5. If necessary,remove the jam cover.Open the cover, take out the hook on the right toward the arrow direction, and then take out the jam cover to the right side.

Jam Cover

Actuator Feed Sensor Lever

5.2.11 LSU

1. Before Disassembling -Separate the font cover.(Refer to 5.2) -Separate the SMPS cover.(Refer to 5.3) -Separate the Main cover.(Refer to 5.4) 2. Release 3 screws as shown as below, lift up the LSU, and then disconnect 2 connectors from the separated LSU. (Screw x 2:Silver_M3,6003-000196)

5.2.12 Paper Path Frame

1. Before Disassembling -Separate the font cover.(Refer to 5.2) -Separate the SMPS cover.(Refer to 5.3) -Separate the Main cover.(Refer to 5.4) -Separate the Fuser.(Refer to 5.8) -Separate the Engine shield.(Refer to 5.9) 2. After releasing 4 screws as shown as below, take it out toward the arrow direction with carefulness of ground and harnesses. (Screw x 4:Silver_M3,6003-000196) 3. After releasing the 2 hooks from the right side of the frame,take out the transfer roller. (Screw x 2:Silver-M3,6003-000196)

Transfer Roller Bush(L)

4. Remove the solenoid-MP by releasing the screw from the left side of the frame. (Screw x 1:Gold_M3,6003-000301)
Paper Path Frame Mirco S/W


5.2.13 Pick_Up Roller
1. For separating the pick-up roller sponge, open the front cover, and then take out the toner cartridge. 2. While pressing the hooks on the left/right side of the pick-up housing B, pull out the pick-up housing U as shown as below.Then,replace the sponge.

1 Housing B


Housing U


6.1 Checking Symptoms

Before attempting to repair the printer first obtain a detailed description of the problem from the customer.

Power On

On-Line LED ON?
- No Power - Power Module error - Main PBA

On-Line LED Green ?

Indicate "Lamp toggle"

Print(test pattern)

printing Quality is Nomal?

6.1.1 Basic Check List

1. Check the Power. Does "Warming Up" appear on the display? --> If not check power cable, switch or SMPS. --> Does the wall socket work? Do the Motors or other components initialize (listen for main motor, fan and LSU sounds)? --> If not or there are none of the normal startup sounds check cable, switch or SMPS. --> Does the wall socket work? 2. Check the LED of Panel. Is there On-Line LED ON? --> If not check power cable, switch SMPS or Main board. --> Does the wall socket work? Is the abnormal Lamp? --> Check the main PBA and cable harness. 3. Check the Paper Path Is there a Paper Jam? --> Remove any paper fragments caught in the paper path. Paper Jam occurs repeatedly at a specific point in the Paper Path --> Open the fuser cover, Jam clear. --> Dismantle the machine and carefully inspect the region where the jam occurs. (Especially, check if paper fragments are caught in the Fuser 4. Print the Information Page (Configuration). Try printing a test page from a computer. --> If there is an error check cables and driver installation. 5. Check the Print Quality. Is there are a Print Quality Problem? --> Refer to section 6.5 (Page 6-17). 6. Check consumables (toner etc.). Using the keys print the Test Pattern. --> Expected life of various consumable parts, compare this with the figures printed and replace as required

Check and Cause 1. Check the Solenoid by using DCU diagnostic mode 06.
Solution 1. Replace the solenoid.
2. Check if the pad is loose due to bad sealing of the side-pad.
2. Replace the side-pad Assembly L or R, if necessary.
3. Check the surface of the roller-pickup for foreign matter.
3. Clean with soft cloth dampened with IPA(Isopropyl Alcohol) or water.
4. If the paper feeds into the printer rand Jam 0 occurs, perform DCU to check feed-sensor of the engine board.
4. Replace the SMPS, HVPS or Sensor.

6.2.3 JAM 1

Description 1. Recording paper is jammed in front of or inside the fuser. 2. Recording paper is stuck in the discharge roller and in the fuser just after passing through the Actuator-Feed.
Check and Cause 1. If the recording paper is jammed in front of or inside the fuser. (Perform DCU diagnostic code 08) 2. If the recording paper is stuck in the discharge roller and the fuser just after passing through the ActuatorFeed, Feed Actuator may be defective. 1. Replace the SMPS.


2. Reassemble the Actuator-Feed and Spring-Actuator if the returning is bad.

6.2.4 JAM 2

Check and Cause 1. If the paper is completely fed out of the printer, but Jam 2 occurs : Exit sensor is defective. After the paper is completely discharged, actuator Exit should return to the original position to shut the photo-sensor. Sometimes it takes longer hour than it should and does not return.
Solution 1. Check if the exit sensor actuator is defective. Check if the actuator exit is unformed (Check if the lever part is unformed in shape). Check whether burrs occur in the assembly part of the actuator exit or not and if the actuator is smoothly operated. Check if foreign matters and wire get caught in the actuator exit's operation. 2. If the paper is stuck in the fuser : disassemble the fuser and remove the jammed paper, and clean the surface of the pressure roller with dry gauze.
2. If the paper is rolled in the Fuser Roller: This occurs when a Guide claw is broken away or transformed. It occurs when the Spring of a Guide claw is broken away or transformed. It occurs when the Heat-Roller or Pressure-Roller is seriously contaminated with the toner. 3. Paper is accordion in the fuser.
3. Remove the jammed paper after disassembling the fuser : Clean the surface of the pressure roller with dry gauze. Remove the toner particles stained on the rib. Check the assemblage and performance of the exit.

6.3.7 No lamp on when the cover is open
Description The ERROR lamp does not come on even when the printer cover is open
Check and Cause 1. Check the connector and circuit of the cover switch department in the Main Control board. Perform DCU mode : If Error state '64' occurs, Check the related codes of the Cover Open Error
Solution 1. Check the insertion of the Cover Open S/W Connect.
2. Replace the Main Control board or Cover Open S/W.
6.3.8 Defective motor operation
Description Main motor is not driving when printing, and paper does not feed into the printer, resulting 'Jam 0'.
Check and Cause 1. Motor harness or sub PCB may be defective.
Solution 1. Check the motor harness, replace it, if defective.
2. Perform DCU diagnostic code 00 and Check the motor operation.
2. Replace the SMPS, if necessary.

6.3.9 No Power

Description When system power is turned on, all lamps on the operator panel do not come on.
Check and Cause 1. Check if the power input and SMPS output are normal.
Solution 1. Replace the power supply cord or SMPS.
2. Check the inferiority of LED-Panel on the front-cover if the LED of Panel does not appear after normal warmingup.
2. Replace the control board.
3. Replace the LED-panel.
6.3.10 Vertical Line Getting Curved
Description When printing, vertical line gets curved.
Check and Cause 1. If the supply of +24v is unstable in the Main Control board linking with LSU, check drive by DCU Mode : LSU Check -05- LSU Motor on. 1. Replace LSU.
6.4 Bad Software Environment
6.4.1 The printer is not working (1)
Description While Power turned on, the printer is not working in the printing mode.
Check and Cause 1. Run Self-Test Mode : Turn the power on while pressing the test printing button for 2 or 3 seconds before printing works.
Solution 1.Check the power of the printer and perform the SelfTest. If the test printing works, that means no problems in the printer itself. If the test printing does not work, that means bad functioning of the printer(not because of software). Perform DCU to check the Error Status. 2. Replace the printer cable. If the problems not solved even after the cable replaced, check the amount of the remaining tone.
2. Check if the PC and the printer is properly connected and the toner cartridge installed.
3. Printing is nor working in the Windows.
3. Check if the connection between PC and printer port is proper. If you use windows, check if the printer driver in the controller is set up. If the printer driver is properly set up, check in which program the printing is not working. The best way to find out is to open the memo pad to check the function of printing. If it is not working in a certain program, adjust the setup the program requires. Sometimes, the printout is normal within the Windows basic programs, but it's not working in a particular program. In such case, install the new driver again. If not working in the Windows basic program, Check the setup of the port of CMOS is on ECP. And check the address of IRQ 7 and 378

3. Has the life span of the developer ended? 4. Is the movement(Up and Down) of the transfer roller smooth? 5. Is the HVPS normal?

6.5.9 Ghost (1)

Description Ghost occurs at 75.5 mm intervals of the OPC drum in the whole printing.
Digital Printer Digital Printer Digital Printer Digital Printer Digital Printer Digital Printer
Check and Cause 1. Bad contacts caused by contamination from toner particles between high voltage terminal in the main body and the electrode of the Developer. 2. Bad contacts caused by contamination from toner particles between high voltage terminal in the main body and the one in the HVPS board. 3. The life of developer is expired.
Solution 1. Clean the terminals when contaminated by toner particles.

6.5.10 Ghost (2)

Description Ghost occurs at 75.5 mm intervals of the OPC drum in the whole printing. (When printing on card stock or transparencies using manual feeder) Check and Cause When printing on card stock thicker than normal paper or transparencies such as OHP, higher transfer voltage is required. Solution Select 'Thick Mode' on paper type menu from the software application and after using returning to the original mode is recommended.

75.5mm 75.5mm

3. Replace the engine board if not solved by the above directions 1-2.
4. Transfer roller lifetime(50.000 sheets) has expired.
4. If not solved by the direction 3, check the transfer roller lifetime and replace it.
5. Abnormal low temperature(below 10C).
5. Wait about 1 hour after power on before using printer.

6.5.11 Ghost (3)

Description White ghost occurs in the black image printing at 47.5mm intervals.
Check and Cause 1. The life of the developer may be expired.

47.5mm 47.5 or 63.9mm

Solution 1. Occur in the developer cartridge, replace the developer and try to print out. 2. Check the approved voltage of the supply roller and contact of the terminal and adjust if necessary.

7.4 Paper Path Assembly G2069 E7006 K3377 W3076 W3077 W3078 W3079 P0015 Z4137 H4029 R1120
Service BOM(SA : Service Available, SNA : Service not Available) Drawer# (Section-No) 7.4-11 7.4-11-1 7.4-11-2 7.4-11-3 7.4-12 7.4-13 7.4-14 7.4-15 7.4-16 7.4-17 7.4-18 7.4-19 7.4-20 7.4-21 7.4-22 7.4-23 7.4-24 7.4-25 7.4-26 7.4-27 7.5-0 7.5-1 7.5-2 7.5-3 7.5-4 7.5-5 Part Code JC97-02179A JC66-00803A JC66-00802A 6107-001167 JC33-00015B JC66-00809A JC61-00588A JC72-00102A JC61-70940A JC66-00725A JC61-00583A JC70-00307A JC66-00829A JC61-01151A JC61-01173A JC73-00211A JC66-00811A JC66-00813A JC61-01281A JC39-00482A JC97-02239A JC61-01263A JC70-00514A JC70-00515A JG66-40003A JC63-00711A JC69-00818D JC96-03354A JC96-03593A 0402-000129 2005-000168 2401-000042 2401-001185 2801-003886 3711-002001 3711-002810 3711-002812 3711-003409 3711-003410 3711-003942 3711-003969 3722-001101 6002-000440 6003-000196 6003-000261 6003-000269 6003-000282 6003-000301 6103-000117 6107-001169 6902-000288 6902-000437 6902-000455 JB68-00072A JB68-00073A JB68-00916A JB75-10029A JC02-00043A JC46-00261A JC61-00049A JC63-00712A Description MEA UNIT-PICK UP GEAR;ML-1610,SAMSUNG,-, GEAR-PICK_UP B;ML-1610,POM,0.8,33,-,WHIT GEAR-PICK_UP A;ML-1610,POM,0.8,33,-,WHIT SPRING-CS;SUS304-WPB,-,PI0.25,D3.25,L9.6 SOLENOID-MP_R2;-,SCX-4720F,DC24V,-,-,-,GEAR-FEED 35/19;ML-1610,POM,0.8/0.8,35/1 BUSH-M-TR L;ML-1710,POM(M90-44),-,-,-,BL PMO-BUSHING_TR(L);SF-5100,POM (CH-15),BL SPRING ETC-TR(12);ML-5500,-,4.5,-,12.7,1 ROLLER-TRANSFER;SCX-4100,NBR+ECO+SUM24L+ HOLDER-PTL;ML-1710,PC,-,-,-,BLK,V0 IPR-P-EARTH TRANSFER;ML-1710,SECC,-,1.0T SHAFT-P-PICK_UP;ML-1610,SECC,264,T1.2,-, HOUSING-M-PICK_U;ML-1610,POM,-,-,35,NATU HOUSING-M-PICK_UP B;ML-1610,ABS HB,-,-,3 RUBBER-PICK_UP;ML-1610,EPDM+IR,MM,-,-,-, CAM-M-PICK_UP;ML-1610,POM,4,W21*PHI12,NT GEAR-TRANSFER;ML-1610,POM,0.6,24,-,BLK,1 BRACKET-P-BAR_PICK_UP;ML-1610,SECC,T1.0, CBF HARNESS-MICRO SW;ML-2010,WIRE HARNES MEA UNIT-MP TRAY;SCX-4521F,SEC,-,MP-TRAY PLATE-M_MP;SCX-4521F,HIPS,2.5,278.2,119. ADJUST-M _MP L;SCX-4521F,HIPS,2.5,128.3, ADJUST-M_MP R;SCX-4521F,HIPS,2.5,128.3,1 GEAR-PINION;SF4000,POM,WHT,M1,Z16 SHEET-MP;SCX-4521F,PET,T0.188,223.0,60.8 BOX(P)-MAIN(XEV);ML-2010,OFFSET3,TOMSON, ELA UNIT-DEVE INITIAL ELA HOU-ENGINE;ML-2010,SAMSUNG,-,-,-,-,DIODE-RECTIFIER;1N4003,200V,1A,DO-41,TP R-WIRE WOUND,NON;0.22ohm,5%,2W,AA,BK,4x1 C-AL;100uF,20%,16V,GP,TP,6.3x7,5 C-AL;33uF,20%,35V,GP,TP,5x11,5 CRYSTAL-UNIT;12MHz,50ppm,28-AAA,16pF,50o CONNECTOR-HEADER;BOX,20P,2R,2MM,STRAIGHT CONNECTOR-HEADER;BOX,9P,1R,2mm,STRAIGHT, CONNECTOR-HEADER;BOX,11P,1R,2mm,STRAIGHT CONNECTOR-HEADER;BOX,3P,1R,2mm,STRAIGHT, CONNECTOR-HEADER;BOX,4P,1R,2mm,STRAIGHT, CONNECTOR-HEADER;BOX,2P,1R,2mm,STRAIGHT, CONNECTOR-HEADER;BOX,2P,1R,2.5mm,STRAIGH JACK-USB;4P/1C,AU,IVR,ANGLE,B TYPE SCREW-TAPPING;RWH,+,2,M3,L8,ZPC(BLK),SWR SCREW-TAPTITE;PWH,+,B,M3,L10,NI PLT,SWRC SCREW-TAPTITE;BH,+,B,M3,L6,ZPC(YEL),SWRC SCREW-TAPTITE;BH,+,S,M3,L6,ZPC(YEL),SWRC SCREW-TAPTITE;BH,+,B,M3,L8,ZPC(BLK),SWCH SCREW-TAPTITE;BH,+,S,M4,L6,ZPC(YEL),SWRC SUPPORTER;DACN-6N,L10,NTR,NYLON66 SPRING-CS;SUS304-WPB,-,PI0.55,D9.3,14.25 BAG PE;LDPE,T0.05,W250,L450,TRP,8,2BAG PE;HDPE,T0.015,W900,L800,TRP,8,4PE M BAG CONDUCTIVE;LDPE,T0.1,W200,L450,BLK,LABEL(R)-BAR RIBON;SF-3000,-,PY,T0.0046, LABEL(R)-BAR CODE;SF-3000,-,PY,T0.5,6.5, LABEL RATING-BLANK;SF-340,SEC,TETRON,0.0 MEC-RIBBON BARCODE S;COLUMBUS,KISCOM,BLK TONER-GRINDED;ML-1610,TUFTONE YS-4,-,8.8 S/W APPLICATION-CD;-,ML-2015,PRT DRV,1.0 SPRING ETC-TR(KOR);ML-4500,SUS304-WPB,0. COVER-M_PAPER;SCX-4521F,ABS,2.5,269.97,1 Location P2093 P2056 P2057 D4089 S8014 F6071 K2886 K3856 Z4277 T3014 H4041 K3367 P2160 P2067 P2068 P2148 P2042 G0448 Status (SA/SNA) SA SA SA SA SA SA SA SA SNA SA SA SA SA SNA SNA SA SA SA SNA SA SA SA SA SA SA SA SA SNA SNA SA SNA SA SNA SNA SA SNA SNA SNA SNA SA SNA SNA SA SA SNA SA SA SNA SNA SA SNA SNA SA SNA SNA SNA SNA SNA SNA SNA SA Remark

Service BOM(SA : Service Available, SNA : Service not Available) Drawer# (Section-No) Part Code 2203-001607 2203-001683 2203-002392 2203-002398 2203-005249 2203-005819 3301-001425 JC13-00027A JC41-00294A JC61-00060A JC62-00145A JC62-00149A JC62-00150A JC62-00151A JC62-00165A JC63-00873A JC66-00817A JC66-00818A JC66-00819A JC66-00820A JC66-00825A JC66-00827A JC66-00828A JC66-00851A JC67-00080A JC70-00153A JC72-00083A JC72-01349A JC72-40232A JC72-40332A JC97-02152A JC97-02153A JC97-02154A JC97-02155A JC97-02182A JC97-02183A 0201-001162 JC61-01163A JC61-01166A JC61-01167A JC61-01168A JC61-01184A JC61-01464A JC62-00146A JC62-00147A JC62-00148A JC62-00153A JC62-00154A JC62-00155A JC62-00156A JC64-00185A JC66-00821A JC67-00081A JC67-00083A JC69-00846A JC70-00483A JC70-00501A JC71-00009A JC72-01350A JC72-41105A JC73-10017A JC75-00043A Description C-CER,CHIP;0.22nF,5%,50V,NP0,-,1608 C-CER,CHIP;0.068nF,5%,50V,NP0,TP,1608 C-CER,CHIP;220nF,+80-20%,50V,Y5V,TP,2012 C-CER,CHIP;22nF,10%,50V,X7R,TP,1608 C-CER,CHIP;100nF,10%,50V,X7R,TP,1608,C-CER,CHIP;1000nF,+80-20%,16V,Y5V,-,1608 BEAD-SMD;120ohm,3.2x1.6x1.1mm,900mA,TP,, IC ASIC-JUPITER4E;S4FD004X,ML-1520,160P, PCB-MAIN;ML-2010,FR-4,2L,V0.1,1.6T,122.7 SPRING ETC-TS BLADE;ML-6060,SUS304 WPB,0 SEAL-SUPPLY;ML-1610,CHLOROPRENE RUBBER SEAL-CAP DEVE;ML-1610,POLYURETHANE FOAM, SEAL-SUS BLADE;ML-1610,POLYURETHANE FOAM SEAL-DEVE L;ML-1610,PTFE FELT+MICRO URET SEAL-FILM REAR;ML-1610,PET,-,T0.075,9,22 SHEET-PATH;ML-1610,PET,T0.188,8.6,16,BLA GEAR-AGITATOR;ML-1610,POM,0.6,24,-,NTR,2 GEAR-RDCN;ML-1610,POM,0.8/0.6,-,-,NTR,-, GEAR-SUPPLY;ML-1610,POM,0.6/0.6,20/19,-, GEAR-DEVE;ML-1610,POLYKETONE,0.8,14,-,NT ROLLER-SUPPLY;ML-1610,SILICON FOAM,D11.5 SHAFT-RDCN;ML-1610,SUS303,L24,D3,NTR,-,ROLLER-CHARGE;ML-1610,NBR+SBR,D12,L230,N ROLLER-DEVE;ML-1610,CONDUCTIVE NBR,D14.0 CAP-M-SPACER_R;ML-1610,ABS,-,12,22.5,BLK IPR-ELECTRODE CHARGE;ML-4500,SUS301,-,8. PMO-HOLDER CR;SF-5100,POM(CH-15),BLK,-,PPR-SPACER SR_L;ML-1610,PET,NTR,T0.5,-,PMO-CAP AGITATOR;ML-80,PP,BLK,-,PMO-BUSHING_CHARGE;ML-80,POM,BLK,HB,MEA UNIT-WTB;ML-1610,SEC,-,ASSY-WTB,-,-, MEA UNIT-OPC;ML-1610,SEC,-,DRUM24,EARTH, MEA UNIT-PLATE_L;ML-1610,SEC,-,ASSY-PLAT MEA UNIT-PLATE_R;ML-1610,SEC,-,ASSY-PLAT MEA ETC-SUS BLADE;ML-1610,SEC,SEC,SUS BL MEA UNIT-FRAME INT;ML-1610,SEC,-,ASSY-FR ADHESIVE-CYA;LOCTITE403,NTR,1250,20G FRAME-M-DEVE LOWER;ML-1610,ABS,-,HB,BLK, BRACKET-P-SUS BLADE;ML-1610,SPCC+NI,1.2T PLATE-M-DEVE_L;ML-1610,PC,2,62.4,88,BLK, PLATE-M-DEVE_R;ML-1610,ABS,2,62.4,87.7,B FRAME-M_WTB INITIAL;SCX-4521F,ABS+GF20,BLADE-P_SUS;ML-2010,SUS301-CSP 1/2H T0.0 SEAL-SUPPORT L;ML-1610,MICRO URETHANE,-, SEAL-SUPPORT R;ML-1610,MICRO POLYURETHAN SEAL-CAP SIDE;ML-1610,POLYURETHANE FOAM, SEAL-BRKT CLEANING;ML-1610,POLYURETHANE SEAL-OPC CLEAN_L;ML-1610,PTFE FELT+URETH SEAL-OPC CLEAN_R;ML-1610,PTFE FELT+URETH SEAL-BOSS_R;ML-1610,CR,BLACK,T5,-,D7.5,HANDLE-M-DEVE;ML-1610,HIPS,T1.5,110,125. GEAR-OPC_L;ML-1610,PC+PTFE,0.8,30,-,BLK, CAP-M-HOUSING INITIAL;ML-1610,ABS,T1.5,6 CAP-M-WTB;ML-1610,ABS,T1.5,29,250.3,BLK, PAD-FRICTION;ML-1610,NBB,1,5,39,-,GRAY,ELECTRODE-P_SR(M);SCX-4100,SUS301-CSP T0 ELECTRODE-P-DEVE KEY;ML-1610,SUS304CSP1/ NPM-BUSHING DEV R;ML-6060,BRONZE,D7*12,PPR-FILM OPC;ML-1610,URETHANE SHEET,NTR, PMO-BUSHING DEV;ML-5000,POM,NTR,-,-,-,-, RPR-SEAL_BLOCK;ML-80,POLYURETHANE FOAM,T MEC-GEAR OPC R;SF-5100,SEC,POM+C5210P-H Location Status (SA/SNA) SA SA SA SA SNA SNA SNA SA SNA SNA SNA SNA SNA SNA SNA SNA SNA SNA SNA SNA SNA SNA SNA SNA SNA SNA SNA SNA SA SNA SNA SNA SNA SNA SNA SNA SNA SNA SNA SNA SNA SNA SNA SNA SNA SNA SNA SNA SNA SNA SNA SNA SNA SNA SNA SNA SNA SNA SNA SNA SNA SNA Remark



KDC-W410GY Series2 DWA-142 26PF7321 ICF-C773 MA351 V5799MCW Treo 750V DSC-S600 RM-X11M PSR195 Group Trak LC6285 SP-320 Nautilus Strav460 SA-AK78 JBL 4318 Bizhub 601 TD4212 Review BX2440X HT386 Blackberry 7520 ZWF1432S SP2014N-KIT TXP42S10B Farfisa Fevs LM-1030 Psaf5 Software Fujifilm A230 EL-2901RH LE26A457c1D SGH-B320 1250S ABS BDF452 Studio ST9 Lawn BOY LF450 29FA12-AM Memphis DJ NV-GS25GC All-IN-ONE DW1620 CC2201 Derive 5 5400 II Travelite 375 TW100-BRF114 UE46B6000VP Passport 8500 Reflex Charger - 2004 Gameshark 2 Wagon 96 HCD-ZX9 G-2000L 20 Nrps Dimension 5100 Singer 4522 KX-FT982FX If-ED SC-BT235 EWF10470W MHC-EC69I CWM-106 R3 0 ZM21MGS LL1820 Office 35 FP-7728 E2210B Accenta G4 Sun-firestorm Humidifier Xvm 2660 AWF1235 Jabra Halo Lwhd1200FR DM 500C ES-8044 LE19C450e1W 29FS4RNX 7744 C KD-650 Analyser 21A-410-062 Spirit-40A Spotmeter F 84 D KX-TG5561M 21DU21C FX-50F Plus STR-DE597 RM-V401 LSC26945TT Scaleo M MS-1922G RP-10


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