Preventive maintenance 6-1
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6. Preventive maintenance
This chapter describes procedures for printer preventive maintenance. Follow these recommendations to help
prevent problems and maintain optimum performance.
Safety inspection guide
The purpose of this inspection guide is to aid you in identifying unsafe conditions.
If any unsafe conditions exist, find out how serious the hazard could be and if you can continue before you
correct the hazard.
Check the following items:
• Damaged, missing, or altered parts, especially in the area of the On/Off switch and the power supply
• Damaged, missing, or altered covers, especially in the area of the top cover and the power supply cover
• Possible safety exposure from any non-Lexmark attachments
Lubrication specifications
Lubricate only when parts are replaced or as needed, not on a scheduled basis. Use of lubricants other than
those specified can cause premature failure. Some unauthorized lubricants may chemically attack
polycarbonate parts. Use IBM no. 10 oil, P/N 1280443 (Approved equivalents: Mobil DTE27, Shell Tellus 100,
Fuchs Renolin MR30), IBM no. 23 grease (Approved equivalent Shell Darina 1), and grease, P/N 99A0394 to
lubricate appropriate areas. Use Nyogel type 774 to lubricate the Fuser Drive Assembly and Nyogel 744 to
lubricate the ITU and Cartridge Drive assemblies.
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 outlet.
2. Remove paper from the standard exit bin.
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: Using a damp cloth to clean the interior may cause damage to your printer.
5. Make sure the paper support and standard exit bin are dry before beginning a new print job.
CAUTION
SHOCK HAZARD: To avoid the risk of electric shock when cleaning the exterior of the
printer, unplug the power cord from the outlet, and disconnect all cables to the printer
before proceeding.
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