Entire Upper Unit - Canon imageFORMULA DR-X10C Service Manual

CHAPTER 3 DISASSEMBLY & REASSEMBLY

4. Entire Upper Unit

Note: When replacing the U-turn roller and
U-turn guide plate, the entire upper unit
must be removed.
1) Remove the right and left covers.
(Page 3-3), (Page 3-5)
2) Remove the top cover.
(Page 3-6)
3) Remove the pickup tray unit.
(Page 3-6)
4) Remove the eject tray unit.
(Page 3-10)
Note: When removing the upper unit, it is
easier to perform work if the weight is
reduced, so remove the eject tray unit.
5) Remove the control PCB.
(Page 3-13)
6) Remove the screws
Remove the cable
guide. Then, pass 2 cables from the upper
unit through the hole
into the upper unit.
Figure 3-607
3-42
(M3, round tip).
1
from the cable
2
and insert them
3
COPYRIGHT © CANON ELECTRONICS INC. 2008
7) Open the upper unit and reduce the ten-
sion of the large coil spring
while pulling the coil spring to the direction
of arrows with one hand, hold the shaft
with the other hand, remove the shaft
groove from the side plate and remove the
coil spring from the shaft. Also remove the
shaft.
Note: The shaft at the rear side may also be
detached.
Figure 3-608
Shape of the shafts
Since the front shaft that was removed in
this process is similar in shape to the shaft
that hooks the rear side of the spring which
is removed in a subsequent process, their
shapes are shown below. Assemble the rear
shaft with the flat side facing down
Front shaft
Inside
Rear shaft
Figure 3-609
1 . Then,
2
Outside
CANON DR-X10C FIRST EDITION