Canon LBP-860 Service Manual page 64

Outline
A.
T h e p r e s e n c e o f p a p e r o n t h e m u l t i -
purpose tray is sensed by photointerrupter
cassette is sensed by photointerrupter
The presence and size of the cassette
installed in the printer are sensed by three
switches (SW603. 604, 605) mounted on
the pick-up motor driver PCB.
If the pick-up roller clutch solenoid
Delivery Aers
Multi-purpose tray paper sensor
pick-up roller clutch solenoid
Download Service Manual and Resetter Printer at http://printer1.blogspot.com
Photosensitive
Cassette pick-up roller
Cassette sensing
Figure 2-32
motor is running, the pick-up roller (urns
and feeds a sheet of paper into the printer.
The paper stops at the resist paper sensor
VERTICAL SYNC signal after the paper
reaches the sensor, and the leading edge of
t h e t o n e r i m a g e o n t h e p h o t o s e n s i t i v e
drum is matched with the leading edge of
the paper. The image is transferred, then
the paper is separated from the drum, fed
to the fixing unit, and delivered onto the
face-down tray.
Pick-up motor driver PCS
SW6
Cassette size
switches SW605
CHAPTER 2