Lexmark MS312, Service Manual

Page: 290 / 343

Cleaning the printer
Note: You may need to perform this task after every few months.
Warning—Potential Damage: Damage to the printer caused by improper handling is not covered by the
printer warranty.
1
Make sure that the printer is turned off and unplugged from the electrical outlet.
CAUTION—SHOCK HAZARD: To avoid the risk of electrical shock when cleaning the exterior of the
printer, unplug the power cord from the electrical outlet and disconnect all cables from the printer
before proceeding.
2
Remove paper from the standard bin and multipurpose feeder.
3
Remove any dust, lint, and pieces of paper around the printer using a soft brush or vacuum.
4
Dampen a clean, lint-free cloth with water, and use it to wipe the outside of the printer.
Warning—Potential Damage: Do not use household cleaners or detergents to prevent damage to the
exterior of the printer.
5
Make sure all areas of the printer are dry before sending a new print job.
Cleaning the printhead lenses
Note: This is applicable only to models with galvo LSU. To determine whether the LSU is galvo, check the
serial number of the printer. The sixth digit character assigned should be in the 0–9 or B–N range (Example:
4514 20HH 007CR).
1
Open the front door.
2
Remove the toner cartridge and imaging unit.
3
From the printhead access opening (A) in the top of the frame at the front of the printer, find the printhead
lens.
4
Insert a soft, lint
‑
free cloth in the opening, and gently move the cloth back and forth along the surface of
the lens to clean it.
5
Repeat step 4.
6
Reinstall the imaging unit and toner cartridge.
7
Close the front door.
4514-330
Maintenance
290