Aus-/Einbauhilfe

Ort: Hersteller Gerte:

Sprache:

*1=Techniker bis 6=sehr einfach

Schwierigkeitsgrad:

Englisch 2*
HP DESIGNJET 230 (D-SIZE) HP DESIGNJET 250C (D-size) HP DESIGNJET 330 (D-SIZE) HP DESIGNJET 350C (D-SIZE) HP DESIGNJET 430 (D-size) HP DESIGNJET 450C (D-size) HP DESIGNJET 450C (D-size - Italy) HP DESIGNJET 455CA (D-size) HP DESIGNJET 488CA (D-size) HP DESIGNJET 488CA (E-size) HP DESIGNJET 750C (D-SIZE) HP DESIGNJET 700 (D-size) HP DESIGNJET 700 (24-inch) HP DESIGNJET 750C PLUS (D-SIZE) HP DESIGNJET 750C Plus (24-inch) HP DESIGNJET 820 MFP
Wichtige Information: Diese kleine Anleitung soll Ihnen bei der Demontage helfen. Sie ersetzt keinen geschulten Techniker und wir bernehme keine Haftung fr Schden an Mensch und Material. Bitte beachten Sie die entsprechenden Unfallverhtungsvorschriften! Bei arbeiten an Gerten ziehen Sie immer den Netzstecker heraus !

Removing the Top Cover

1. Open the top cover. 2. Push the righthand side of the cover slightly back, so that the rightmost

hinge uncouples.

3. Slide the cover to the left, so that the other hinges uncouple.
Reassembling: Close the cover and click each hinge into place.
4. Remove the cover from the Printer.
HP DesignJet 430, 450C and 455CA Printers

Removal and Installation

Removing the Rollfeed Assembly
Refer to figure 1. Removal 1. Remove one screw (Item 1) from the rear that attaches the Right Rollfeed Assembly (Item 2) to the Printer.
2. Slide the Right Rollfeed Assembly (Item 2) forward and remove it from

the Printer.

Printer.
2 Figure 1: Rollfeed Assembly
4. Slide the Left Rollfeed Assembly (Item 3) forward and remove it from the
3. Remove one screw (Item 1) from the rear that attaches the Left Rollfeed
Assembly (Item 3) to the Printer.
Removing the Left EndCover
Removal 1. Remove the top cover ' page 88.
2. Remove the Left Rollfeed Assembly ' page 89. 3. Release the three clips at the bottom of the endcover: first the side clip,
then the front and back clips. These may be stiff.
4. Pull the endcover up, and remove it from the Printer.
Reassembling: It's not easy to reinstall the endcovers on the Printer. With some practice, you should learn the knack. As a guide, before you replace an endcover, take a look at the various clips on its inside, and identify where they fit on the Printer. Make sure that the primer plunger is installed properly when reinstalling the endcover.
Removing the Right EndCover
Refer to figure 2. Removal 1. Remove the top cover ' page 88.
2. Remove the Right Rollfeed Assembly ' page 89. 3. Pull the Printer on/off switch (item 1) out of the right endcover (item 2). 4. Release the three clips at the bottom of the right endcover: first the side

These may be stiff.

5. Pull the endcover up, taking care not to damage the frontpanel cables. 6. Inside the endcover, press the two tabs of the frontpanel towards each
other, and remove the frontpanel assembly from the endcover.
7. To be able to easily use the frontpanel, when the right endcover has been
removed, slide the frontpanel assembly onto the metal base of the Printer as shown.

Figure 2: Right EndCover

clip, then the front and back clips.
Removing the Encoder Strip
Refer to figure 4 ' page 16. Removal 1. Move the cartridge carriage to the left, over the service station.
2. Remove the right endcover ' page 811. 3. Remove the left endcover ' page 810. 4. Disconnect the trailing cable from the main PCA and from the guides on
encoder strip (item 2) to the encoderstrip spring (item 3). to the left bracket (item 6).

6. Remove the screw (item 4) and washer (item 5) that secure the encoder strip 7. Compressing the encoderstrip spring to release tension on the encoder 8. Carefully release the encoder strip from the left bracket. 9. Carefully pull the encoder strip to the right, through and out of the
carriage assembly and lay it on a flat surface.
2. Ensure that the encoder strip is oriented with the transparent area up. 3. Feed the encoder strip through the cartridge carriage from right to left. 5. Slip the left end of the strip over the plastic pin on the left bracket (item 6), 4. Temporarily, rest the loose strip safely on the drive roller.
6. Loosely fit, but do not tighten, the washer (item 5) and screw (item 4) to
7. Slip the right side of the encoder strip (item 2) over the two pins on the
8. Slightly tighten the screw (item 4) on the left side. 9. Slide the carriage back and forth the length of its travel to ensure free
and press it right to the base of the pin. retain the encoder strip.
encoderstrip spring (item 3) and replace the two nuts (item 1) on the right side, and slightly tighten the nuts.
movement. The encoder strip should not bind or rub on the carriage.
Installation 1. Move the cartridge carriage to the left, over the service station.
strip, carefully release the encoder strip from the pin on the spring.
5. On the righthand side, remove the two nuts (item 1) that secure the
the right bracket. Fold the trailing cable upwards and store it on the trailingcable guide.

Figure 4: Encoder Strip

Removing the DriveBelt Pulley
Removal 1. Remove the encoder strip ' page 815. In the following step, take care not to break the black plastic tab on top of the motor.
2. Press the carriage motor towards the left, and remove the belt from the

motor shaft.

3. On the left of the Printer, remove the belt from the pulley.
Reassembling: Make sure the belt is correctly positioned on the shaft grooves.
If you need greater maneuverability of the motor, press the black plastic tab on top very slightly downwards.
Reassembling: Make sure the belt is correctly positioned on the pulley grooves.
4. Underneath the left side of the chassis beam, release the black plastic clip

and push the pulley shaft upwards.
5. Remove the pulley, shaft, and bushing from the Printer.