CHAPTER 4
MECHANICAL SYSTEM
COPYRIGHT © 1996 CANON INC. CANON GP215/200 REV.0 JULY 1996 PRINTED IN JAPAN (IMPRIME AU JAPON)
I.
BEFORE THE WORK/
POINTS TO NOTE ..................................4-1
A.
Main Power Switch and Others ........4-1
B.
Handling the Harnesses ...................4-2
II.
EXTERNALS ...........................................4-3
A.
External Covers ................................4-3
B.
Inside Cover .....................................4-4
C.
Control Panel....................................4-6
D.
Fans..................................................4-7
III.
DRIVE ASSEMBLY..................................4-8
A.
Scanner Drive Assembly ..................4-8
B.
Fixing Drive Assembly ....................4-13
C.
Duplexing Unit Inlet Motor Mount
Assembly ........................................4-14
D.
Set-Back Roller Motor Assembly....4-14
E.
Pick-Up Drive Assembly .................4-15
IV.
PICK-UP ASSEMBLY ............................4-18
A.
Pick-Up Assembly ..........................4-18
B.
Multifeeder Assembly .....................4-20
C.
Feeding Assembly ..........................4-21
D.
Lower Feeding Assembly ...............4-23
E.
Registration Roller Assembly .........4-23
F.
Delivery Assembly ..........................4-24
V.
EXPOSURE...........................................4-27
A.
Illuminating Assembly.....................4-27
B.
CCD Unit ........................................4-28
C.
IPU PCB .........................................4-29
D.
Laser Scanner Assembly ...............4-30
VI.
DEVELOPING SYSTEM .......................4-32
A.
Developing Assembly .....................4-32
VII. FIXING SYSTEM...................................4-34
A.
Fixing Assembly .............................4-34
VIII. ELECTRICAL SYSTEM.........................4-37
A.
DC Controller PCB .........................4-37
B.
Composite Power Supply PCB.......4-37
C.
Replacing the ROM DIMM
(image processor PCB) ..................4-38
This chapter discusses mechanical characteristics of the machine and explains how
to disassemble and assemble the parts.
Keep the following in mind when disassembling or assembling the machine:
1.
Make sure that the power plug remains disconnected for safety when disassem-
bling or assembling the machine.
2.
Assemble the parts by reversing the steps used to disassemble them unless other-
wise noted.
3.
Identify the types of screws according to length, diameter, and location.
4.
Mounting screws used for grounding wires and varistors are provided with washers
to ensure electrical continuity. Be sure to use such washers where necessary.
5.
As a rule, do not operate the machine with any of its parts removed.
6.
Do not remove any screws that are paint-locked during work.
