4-2 Service Manual
7525-63x
Removal procedures
Notes:
• Some removal procedures require removing cable ties. You must replace cable ties during reassembly to
avoid pinching wires, obstructing the paper path, or restricting mechanical movement.
• Remove the waste toner bottle, color toner cartridges, imaging unit, and media tray before removing other
printer parts. The imaging unit should be carefully set on a clean, smooth, and flat surface. It should also
be protected from light while out of the printer.
• Unless otherwise stated, reinstall the parts in reverse order of removal.
• When reinstalling a part held with several screws, start all screws before final tightening.
Print engine removal procedures
Notes:
• Remove the waste toner container, color toner cartridges, imaging unit, and media tray before removing
other printer parts. The imaging unit should be carefully set on a clean, smooth, and flat surface. It should
also be protected from light while out of the printer.
• We recommend disconnecting all external cables from the printer to prevent damage during service.
• Unless otherwise stated, reinstall the parts in reverse order of removal.
• When reinstalling a part held with several screws, start all screws before final tightening.
CAUTION
Remove the power cord from the electrical outlet before you connect or disconnect any cable
or electronic board or assembly for personal safety and to prevent damage to the printer.
Disconnect any connections between the printer and PCs/peripherals.
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