Lexmark C790 manual Maintainingthe printer, Cleaning the exterior of the printer

Maintainingthe printer

Periodically, certain tasks are required to maintain optimum print quality.

Cleaning the exterior of the printer

1Make 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.

2Remove paper from the standard exit bin.

3Dampen a clean, lint-free cloth with water.

Warning—Potential Damage: Do not use household cleaners or detergents, as they may damage the finish of the printer.

4Wipe only the outside of the printer, making sure to include the standard exit bin.

Warning—Potential Damage: Using a damp cloth to clean the interior may cause damage to your printer.

5Make sure the paper support and standard exit bin are dry before beginning a new print job.

Cleaning the printhead lenses

Clean the printhead lenses when you encounter print quality problems.

1Open the front door.

2Remove all print cartridges.

Warning—Potential Damage: Do not touch the shiny area on the photoconductor drum. Doing so can damage the photoconductor.

Maintaining the printer

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