Lexmark X790 User Manual
X790 Series
Maintenance Guide
August 2011 www.lexmark.com
Contents
Maintaining the printer................................................................................3
Cleaning the exterior of the printer..........................................................................................................3
Cleaning the scanner glass........................................................................................................................4
Cleaning the ADF parts..............................................................................................................................5
Cleaning the printhead lenses...................................................................................................................7
Storing supplies.........................................................................................................................................8
Checking the status of supplies.................................................................................................................8
Checking the status of supplies from the printer control panel ......................................................................... 8
Checking the status of supplies from a network computer................................................................................ 8
Ordering supplies......................................................................................................................................9
Ordering a print cartridge................................................................................................................................... 9
Ordering a fuser or a transfer module................................................................................................................ 9
Ordering a waste toner bottle .......................................................................................................................... 10
Ordering staple cartridges ................................................................................................................................10
Ordering an ADF kit........................................................................................................................................... 10
Ordering a cleaning kit...................................................................................................................................... 10
Replacing supplies...................................................................................................................................11
Replacing a print cartridge................................................................................................................................ 11
Replacing the waste toner bottle ..................................................................................................................... 14
Moving the printer..................................................................................................................................15
Before moving the printer ................................................................................................................................15
Moving the printer to another location............................................................................................................ 16
Shipping the printer.......................................................................................................................................... 16
Contents
2
Maintaining the printer
Periodically, certain tasks are required to maintain optimum print quality.
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.
Remove paper from the standard exit bin.
2
3 Dampen 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.
4 Wipe only the outside of the printer, making sure to include the standard exit bin.
Warning—Potential Damage:
5 Make sure the paper support and standard exit bin are dry before beginning a new print job.
Using a damp cloth to clean the interior may cause damage to your printer.
Maintaining the printer
3
Cleaning the scanner glass
Clean the scanner glass if you encounter print quality problems, such as streaks on copied or scanned images.
1
Slightly dampen a soft, lint-free cloth or paper towel with water.
Open the scanner cover.
2
1 White underside of the ADF cover
2 White underside of the scanner cover
3 Scanner glass
4 ADF glass
3
Wipe the areas shown and let them dry.
Maintaining the printer
4
4 Open the bottom ADF door.
5 Wipe the ADF scanner glass under the ADF door.
6
Close the bottom ADF door.
7
Close the scanner cover.
Cleaning the ADF parts
Clean the ADF parts periodically to maintain optimal printing performance. Residue on the ADF parts may cause print
quality issues and false 280–299 paper jam messages.
1 Turn the printer off.
Slightly dampen a soft, lint-free cloth with water.
2
Open the ADF cover.
3
Maintaining the printer
5
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