Preventive Maintenance; Maintenance Kit; Paper Path Maintenance - Lexmark C920 Service Manual

6. Preventive maintenance

Maintenance kit

When nearing the end-of-life of the fuser or transfer belt, the following message appears, indicating that it's time
to replace the fuser unit and/or transfer belt unit:
80 Belt Life Warning and/or 80 Fuser Life Warning
Routine replacement of these parts ensures peak printer performance and helps prevent print quality problems
and paper feed problems resulting from worn parts. The parts are in the maintenance kits listed.
Maintenance kit P/N
40X1251
56P2650
56P2651
The status message appears until the appropriate part(s) is replaced.

Paper path maintenance

A paper path maintenance kit can be used when a machine is experiencing misfeeds and jams after 200,000
pages. The order number for this kit is 40X1109. The kit is composed of the following parts:
56P9683
40X1
154
40X1077
40X1
078
40X1
079
40X1
064
In addition to the paper path maintenance kit, the relay roller (40X1108) and turn guide rollers (40X1072) can be
ordered.
When replacing the face down exit roller, lubricate the ends of the roller shaft with a small amount of Nyogel 744
(part number 40X0179).
Unit
Transfer Belt
Fuser
Fuser
Carrying roller
Registration frame
Pickup roll
Paper feed roll
Separator roll
FD paper exit roller
Printer power supply
115 V—230 V
115 V
230 V
5056-XXX
Preventive maintenance
6-1