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HP Laserjet 2100/ 2200 Maintenance Kit Instructions


Fuser Unit


CAUTION If the printer was recently operating, verify that the fuser assembly has sufficiently cooled before
handling.

Step 1:
Remove the following assemblies:
• Remove the toner cartridge.
• If installed, remove tray 3.
• Remove the cassette from tray 2.
• Remove the DIMM cover.
• Remove the rear cover.

Step 2:
Remove the two screws that secure the reverse guide to the fuser assembly
and lift the guide off.


(above) Fuser assembly (under the reverse guide)
CAUTION When replacing the reverse guide, use the two screws (callout 1) removed in step 2. These screws
allow the cover to expand and contract when the fuser assembly heats up or cools down.

Step 3:
Unplug the two-pin, three-pin, and five-pin wire harness connectors

Unplug wire harness connectors

Step 4:
Remove one grounding screw that secures the fuser assembly to the printer.

Remove mounting screws

Step 5:
Pull the fuser assembly from the printer.

Remove fuser assembly (above)
Note When replacing the fuser assembly, use the guide pins (located near the mounting screw-holes) to
correctly align it.

Remove tray 1 pickup roller:

Step 1:
Remove the following assemblies:
• Remove the toner cartridge.
• If installed, remove tray 3.
• Remove the cassette from tray 2.
• Remove the DIMM cover.
• Remove the rear cover.
• Remove the top cover.
• Remove the left cover.
• Remove tray 1.

Step 2:
Rotate the left idler roller (on the cooling fan side) until its release tab is exposed

Locate left idler roller release tab (above)

Step 3 :
Press and hold down the separation pad.

Step 4:
Grasp the roller, as shown below. Press and hold the release tab.

Step 5:
Slide the idler roller to the left (toward the fan side).

Step 6:
Repeat steps 2 through 5 for the right roller with all actions oriented toward the printer
drive-assembly side.


Release roller (above)

Step 7:
Press and hold the roller release tab that was exposed when the right roller was moved.

Step 8:
Move the roller slightly to the right (toward the printer drive assembly), and rotate it
forward and out.


Release tray 1 separation roller (above)

Remove tray 1 separation pad assembly:

Step 1:
Remove the following assemblies:
• Remove the toner cartridge.
• If installed, remove tray 3.
• Remove the cassette from tray 2.
• Remove the DIMM cover.
• Remove the rear cover.
• Remove the top cover.
• Remove the left cover.
• Remove tray 1.
• Remove the tray 1 pickup roller assembly.

Step 2:
Rotate the separation pad fully forward.

Step 3:
Gently squeeze the mounting feet of the assembly to release it from the pivot pins.

Step 4:
Lift off the tray 1 separation-pad assembly.

Step 5:
If required, remove the single separation-pad mounting bracket mounting screw and
remove the mounting bracket.


Remove tray 1 separation-pad assembly (above)

Replace tray 2 pickup roller:

Step 1:
Remove the two rollers from the pickup roller (below)

Remove rollers

Step 2:
Place the two rollers on the ends of the replacement pickup roller

Replace rollers (above)


Remove transfer roller
:

CAUTION Do not touch the surface of the transfer roller with bare hands. Skin oils can damage the roller. Instead, grasp the bushing and shaft.

Step 1:
Open the toner cartridge door.

Step 2:
Remove the toner cartridge.

Step 3:
Locate the black bushing on the left end of the transfer roller shaft and just behind the
gear.


Transfer roller black bushing (above)

Step 4:
Squeeze both of the locking tabs on the black bushing, then slightly lift the gear end of
the transfer roller. Slide the roller left until the shaft clears the white bushing. (below)

Removing the transfer roller:

Step 5:
Squeeze both of the locking tabs on the white bushing and slide the bushing out of its
mounting slot.


Remove the white bushing (above)

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