Canon GP160, Service Manual

Page: 187 / 797

COPYRIGHT © 1999 CANON INC. CANON GP160 REV.0 FEB. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON)
CHAPTER 10
CASSETTE FEEDER
In this chapter, the cassette feeder’s basic operation, purpose and function, as well
as the relationship between the electrical system and the mechanical system is summa-
rized. An overview of each part’s operation timing is also included.
In this manual, the accessory one level cassette feeder unit D1 and the accessory
three level cassette feeder unit E1 are called the cassette feeders.
The units depicted in the diagrams in this chapter have all been fitted with the auto-
matic document feeder. For more information regarding the automatic document feeder,
please refer to the ADF service manual included in this manual.
I. OVERVIEW............................................10-1
II. OVERVIEW OF THE ELECTRICAL
CIRCUITS ..............................................10-3
A. Overview ..........................................10-3
III. FEEDER CONTROLLER PCB
INPUT AND OUTPUT .............................10-4
IV. OPERATION OVERVIEW......................10-5
A. Overview ..........................................10-5
B.
Basic Sequence ..............................10-6
V. FEEDER MOTOR CONTROL................10-7
A. Operation .........................................10-7
VI. JAM DETECTION ..................................10-8
A. Overview ..........................................10-8
B. Jam Sensing ....................................10-9
VII. DISASSEMBLY, ASSEMBLY ..............10-11
A. Removing the feeder motor ...........10-12
B. Removing the pick-up/feeder/
separation motor ............................10-12
C. Removing the pick-up unit .............10-14