Canon iR5055, Service Manual

Page: 457 / 646

Chapter 14
14-21
3) Free a length of about 5 cm of the charging wire (0.06 mm in diameter)
from the charging wire reel, and form a loop at its end with a diameter of
about 2 mm.
MEMO:
To form a loop, wind the charging wire around a hex key once, and turn the
hex key 3 to 4 times; then, twist the charging wire.
4) Cut the end (excess) of the twisted wire.
5) Hook the loop on the stud.
F-14-38
6) At the rear, hook the charging wire on the charging wire positioning plate;
then, hook the charging wire tension spring on the charging wire where
indicated to the following figure.
F-14-39
7) Cut off the excess of the charging wire with nippers.
8) Pick the end of the charging wire tension spring with tweezers, and hook
it on the charging power supply electrode. In the case of the pre-transfer
charging assembly, hook the spring on the pin at the front.
F-14-40
F-14-41
Make sure the followings:
- The charging wire must not be bent or twisted.
- The charging wire must be fitted in the V-groove of the charging wire
positioning plate.
9) Attach a cushion in front of the charging wire (except the primary charg-
ing assembly).
10) Attach the shield plates (left, right).
For other charging assemblies, attach the 2 covers.
11) Attach the wire cleaner. At this time, make sure the orientation of the
wire cleaner.
12) Wipe the charging wire with lint-free paper moistened with alcohol so-
lutions.
14.5.3 Routing Grid for Primary Charging Assembly
0015-9963
iR5065 / iR 5055 / iR5075 / iR5075N / iR5065N / iR5055N
1) Loosen the 2 screws used to secure the left and right shielding plates in
place.
2) Loosen the 3 screws used to secure the motor unit at the front in place.
F-14-42
3) Loosen the screw, and move it in the direction of the arrow indicated be-
low; then, temporarily tighten it in place.
4) Free a length of about 5 cm of the charging wire (0.1 mm in diameter)
from the charging wire reel, and form a loop at its end with a diameter of
about 2 mm.
F-14-43
MEMO:
To form a loop, wind the charging wire around a hex key once, and turn the
hex key 3 to 4 times; then, twist the charging wire.
5) Cut the twisted charging wire (excess) with nippers.
6) Hook the loop on the stud A.
7) After routing the wire for 31 runs, lead it through the section B, and give
it a half turn; then, put it between the washer and the monitor unit, and
wind it once around the screw (clockwise), and secure it in place with the
screw.
F-14-44
8) Cut the excess of the charging wire with nippers.
9) Tighten the screw loosened in the step 3.
Keep tightening until the tension of the grid wire is even. Be sure to pay
attention to avoid deformation (deflection) of the charging assembly (as
by tightening the screw at the front of the left/right shielding plate early).
10) Tighten the screws loosened in the step 1 and 2.
11) Wipe the grid wire with lint-free paper moistened with alcohol solutions.
Make sure the followings:
- The grid wire must not be bent or twisted.
- The wires are laid at equal intervals. (The grid wire must be fitted in the
groove of the block.)
14.5.4 Adjusting Height of Charging Wire
0015-9964
iR5065 / iR 5055 / iR5075 / iR5075N / iR5065N / iR5055N
[1] Primary charging wire
F-14-45
Height of the charging wire
Charging electrode
(Rear)
(Front)
Charging wire
Reel Stud
(Correct)
(Wrong)
Grid side
(Correct) (Wrong)
Screws
Screw
Stud A
Screw
B
7.5
1.5
0 mm
7.5
1.5
0 mm