Lexmark X748DE Printer User Manual


 
Maintaining the printer
Periodically, certain tasks are required to maintain the optimum performance of your printer.
Warning—Potential Damage: Failure to replace parts and supplies when directed, may cause damage to your
printer or prevent the printer from performing optimally.
Cleaning the printer parts
Cleaning the interior of 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 wall outlet.
CAUTION—SHOCK HAZARD: To avoid the risk of electric shock when cleaning the interior of the printer,
unplug the power cord from the wall outlet and disconnect all cables to the printer before proceeding.
2 Remove paper from the standard bin and multipurpose feeder.
3 Remove any dust, lint, and pieces of paper around and from inside the printer using a soft brush or vacuum.
4 Use a dry cloth to wipe away loose toner particles.
Warning—Potential Damage: To avoid overexposing the photoconductor unit or imaging unit, do not the leave the
door open for more than 10 minutes.
Cleaning the exterior of the printer
1 Make sure that the printer is turned off and unplugged from the wall outlet.
CAUTION—SHOCK HAZARD: To avoid the risk of electric shock when cleaning the exterior of the printer,
unplug the power cord from the wall outlet and disconnect all cables to the printer before proceeding.
2 Remove all paper from the printer.
3 Dampen a clean, lintfree cloth with water.
Warning—Potential Damage: Do not use household cleaners or detergents, as they may damage the finish of
the printer.
4 Wipe only the outside of the printer.
Warning—Potential Damage: Using a damp cloth to clean the interior may cause damage to your printer.
5 Make sure all areas of the printer are dry before beginning a new print job.
Maintaining the printer 228