User Guide

Print-cartridge motor (HP LaserJet 4250/4300/4350 series printer
only)
NOTE This motor is not installed on the HP LaserJet 4200/4200L Series printers.
1 Remove the following assemblies:
● Rear accessory cover. See
Accessory covers and the tray 2 extension door.
● Top cover. See
Top cover.
● Right-side cover. See
Right-side cover.
● Formatter cover. See
Formatter cover
2 Gently pry back the two retaining tabs (callout 1) and slip the anti-static bar (callout 2) off of
them. Rotate the anti-static bar away from the printer to release it. Remove the anti-static bar.
3 Unplug the print-cartridge motor wire-harness connector from the dc controller PCA
(location J86). Unweave the harness from the wire guide (callout 3).
NOTE You might have to remove additional wire-harnesses from the wire guide to gain
access to the print-cartridge motor wire-harness.
Motors and fans 253