Canon iR5570 Series, Service Manual

Page: 497 / 684

Chapter 13
13-25
F-13-43
MEMO:
To form a loop, wind the charging wire around a hex key once, and turn
the hex key three to four times; then, twist the charging wire.
5) Cut the twisted charging wire (excess) with nippers.
6) Hook the loop on stud A.
7) After routing the wire for 31 runs, lead it through section B, and give
it a half turn; then, put it between the washer and the motor unit, and
wind it once around the mounting screw (clockwise), and secure it in
place with a mounting screw.
F-13-44
8) Cut the excess of the charging wire with nippers.
9) Tighten the mounting screw loosened in step 3).
Keep tightening until the tension of the grid wire is even.
Be sure to pay attention to avoid defor-mation (slack) of the charging
assembly (as by tightening the mounting screw found on the front of
the left/right shielding plate early).
10) Tighten the mounting screws loosened in steps 1) and 2).
11)Wipe the grid wire with lint-free paper moistened with alcohol.
1. Check to make sure that the grid wire is free of bending and twisting.
2. Be sure that the runs are laid at equal intervals (i.e., the wire is in the
groove of the block).
13.5.4 Adjusting the Height of the Charging Wire
0009-5712
[1] Primary Charging assembly
Height of charging wire
F-13-45
<Tolerance>
-/+1 mm
[2] Pre-transfer Charging assembly
Height of charging wire
F-13-46
<Tolerance>
No height adjusting
mechanism
[3] Transfer Charging assembly
Height of charging wire
F-13-47
<Tolerance>
-/+2 mm
[4] Separation Charging assembly
Height of charging wire
F-13-48
<Tolerance>
-/+2 mm
MEMO:
The height (position) of the pri-mary charging wire and the transfer
charging wire may be adjusted by turning the screw found at the back of
the charg-ing assembly; a single turn changes the position of the
charging wire by about 0.7 mm.
13.5.5 Mounting the Cleaning Blade
0009-5703
When mounting the cleaning blade, be sure that the side with the
marking [1] will be the face.
1) Push in the cleaning blade [2] until it butts slightly again the rear.
F-13-49
2) Tighten the five mounting screws [3] lightly, stopping to turn them
when re-sistance is felt.
3) Turn the screws tightened lightly in step 2) about 20 deg to 30 deg in
the order indicated, tightening them fully.
Screw
Stud A
Screw
B
7.5 +1.5
- 0 mm
7.5 +1.5
- 0 mm
10.06 0.3 mm
9.5 0.5mm
16.0
No gap Blade retaining
plate
[2]
[1]