Canon PC720 Service Manual - Page 134

pick-up gear

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INSMECHANICAL SYSTEM Caution: When installing the multifeeder unit, go through the following steps: 1) Turn on the power switch, and select multifeeder mode; then, press the Copy Start key. 2) When the pick-up gear unit has risen to its topmost position, turn off the power switch. O pO Pick-up gear unit 3. Removing the Pick-Up Clutch (PC720/740) 1) Remove the top cover. (See "Removing the Top Cover.") 2) Open the copier's top unit, and fix it in position using the grip of the screwdriver (about 30 mm dia.). 000 0 Figure 4-305 3) After installing the multifeeder unit, select multifeeder mode and make one copy. Figure 4-307 3) Remove the spring C). 2. Removing the Pick-Up Roller 1) Remove the pick-up roller unit. (See "1. Removing Pick-Up Roller Unit.") 2) Remove the stop ring (plastic) C), and pull out the pick-up roller. Caution: Take care not to lose the pin at the rear. ill Figure 4-308 4) Remove the spring (D; then, while extending the bushing ®, remove the lower registration roller unit. C.) 4 - 18 Figure 4-306 COPYRIGHT © 1994 CANON INC. O 3 Figure 4-309 CANON PC7201740/7501770 REVD AUG.1994 PRINTED IN JAPAN DMPRIME AU JAPON)

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INS
MECHANICAL
SYSTEM
Caution:
When
installing
the
multifeeder
unit,
go
through
the
following
steps:
1)
Turn
on
the
power
switch,
and
select
multifeeder
mode;
then,
press
the
Copy
Start
key.
2)
When
the
pick-up gear
unit
has
risen
to
its
topmost
position,
turn
off
the
power
switch.
O
pO
Figure
4-305
Pick-up
gear
unit
3)
After
installing
the
multifeeder
unit,
select
multifeeder
mode
and
make
one
copy.
2.
Removing
the
Pick
-Up
Roller
1)
Remove
the
pick-up
roller
unit.
(See
"1.
Removing
Pick
-Up
Roller
Unit.")
2)
Remove
the
stop
ring
(plastic)
C),
and
pull
out
the
pick-up
roller.
Caution:
Take
care
not
to
lose
the
pin
at
the
rear.
Figure
4-306
3.
Removing
the
Pick
-Up
Clutch
(PC720/740)
1)
Remove
the
top
cover.
(See
"Removing
the
Top
Cover.")
2)
Open
the
copier's
top
unit,
and
fix
it
in
position
using
the
grip
of
the
screwdriver
(about
30
mm
dia.).
0
00
0
Figure
4-307
3)
Remove
the
spring
C).
ill
Figure
4-308
4)
Remove
the
spring
(D;
then,
while
extending
the
bushing
®,
remove
the
lower
registration
roller
unit.
O
Figure
4-309
C.)
3
4
-
18
COPYRIGHT
©
1994
CANON
INC.
CANON
PC7201740/7501770
REVD
AUG.1994
PRINTED
IN
JAPAN
DMPRIME
AU
JAPON)