HP (Hewlett-Packard) 4000 Series, 4050 Series Printer User Manual


 
6-40 Removing and Replacing Parts
Gear Train
Figure 6-37 Removing the Gear Train
1 Remove the following covers (starting on page 6-6): Top Cover,
Front Right Side Cover, Rear Cover/Rear Output Bin, and Tray 1.
Remove the Right Side Toner Cartridge Guide (page 6-33), the
Registration Assembly (page 6-34), the Formatter Cage
Assembly (page 6-20), and the Formatter Pan (page 6-39). The
Gear Train is on the right side of the printer.
2 If the Registration Assembly has not already been removed, take
out the rearmost silver screw under the green handle (page
6-35).
3 Remove the 8 black self-tapping screws.
4 Pull the Ribbon Cable Assembly outward (off the pin), then down,
out of the way.
5 Remove any remaining wires from the white plastic guide.
6 Slide out the Gear Train.
Note When you reinstall the Gear Train, slide the top in first and then push
the bottom in.
Step 4
Toner Cartridge Drive Arm