Lubrication specification
Lubricate only when parts are replaced or as needed, not on a scheduled basis. Use of lubricants other than those
specified in this service manual can cause premature failure. Some unauthorized lubricants might chemically attack
polycarbonate parts.
Use the following lubricants:
• IBM no. 10 oil, PN/ 1280443 (Approved equivalents: Mobil DTE27, Shell Tellus 100, Fuchs Renolin MR30)
• IBM no. 23 grease
• Grease P/N 99A0394 and Nyogel type 744—Use this type of lubricant to lubricate the Fuser Drive Assembly.
• Nyogel 744—Use this type of lubricant to lubricate the ITU and Cartridge Drive Assemblies.
The motor drive FRUs contain the proper lubricant in the FRU. Use only the lubricant included.
Cleaning the printer
Cleaning the exterior of the printer
1 Make sure that the printer is turned off and unplugged from the electrical 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 from the printer before proceeding.
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 might damage the finish of the printer.
4 Wipe only the outside of the printer, making sure to include the standard exit bin.
5 Make sure the paper support and standard exit bin are dry before beginning a new print job.
Cleaning the printhead lenses
1 Open the front door.
2 Slide the release lever to the left to unlock the cover.
3 Open the cover.
4 Locate the printhead wipers.
5 Gently pull the printhead wiper out until it stops, and then slowly slide it back into place.
6 Close the cover.
7 Slide the release lever to the right to lock the cover.
8 Close the front door.
5027
Maintenance
315
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