Paper Feed Roller Unit; Purge Motor - Canon BJC-8500 Service Manual

Part 1: Safety and Precautions

2.3.3 Paper feed roller unit

The surface of the paper feed roller is blast-finished to ensure a maximum resolution
of 1200 1200 dpi. Take care not to scratch the surface of this roller.
The drive gear used on the paper feed roller is also finished to high precision to feed
the paper in small increments for 1/1200 inch feeding. Take special care not to leave
any knock marks on this gear.

2.3.4 Purge motor

The purge motor is very hot immediately after repeated printing or cleaning. Take
care not to touch the purge motor directly with bare hands after these operations.
Drive Gear
Figure 1-12 Paper Feed Roller
Danger! High Temperature!
Figure 1-13 Purge Motor
1-10
Paper Feed Roller
BJC-8500