Canon PC720 Service Manual - Page 41
Basic, Operation
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OPERATIONS AND TIMING= I. BASIC OPERATION A. Functional Construction The copier can roughly be divided into four functional blocks: namely, pick-up/feeding, exposure, image formation, and control. Control block Control panel Exposure block Copyboard - -- I Control circuitry lluminating assembly Optical path Primary charging roller Image formation block Drum cleaning assembly Photo sensitive drtlfp,j Developing assembly Transfer/ Feeding 4- separation Tray Fix ng assembly/ delivery assembly Cassette Pick-up control assembly 042,-e'D" ar% Pick-up/ feeding block Figure 3-101 COPYRIGHT © 1994 CANON INC. CANON PC720.7401150,710REV.O AUG.1994 PRINTED IN JAPAN 011PRIMEAU JAPON) 3 - 1
OPERATIONS
AND
TIMING=
I.
BASIC
OPERATION
A.
Functional
Construction
The
copier
can
roughly
be
divided
into
four
functional
blocks:
namely,
pick-up/feeding,
exposure,
image
formation,
and
control.
Control
block
Control
panel
Control
circuitry
I
Exposure
block
lluminating
assembly
Copyboard
Optical
path
Image
formation
Primary
charging
roller
block
Photo
Drum
cleaning
assembly
sensitive
drtlfj
,
p
Developing
assembly
042
,
-e'D"
Transfer/
Tray
Feeding
separation
4
—
Pick-up
control
assembly
ar%
Fix
ng
assembly/
delivery
assembly
Cassette
Pick-up/
feeding
block
Figure
3-101
COPYRIGHT
©
1994
CANON
INC.
CANON
PC720.7401150,710 REV.O
AUG.1994
PRINTED
IN
JAPAN
011PRIME
AU
JAPON)
3
-
1