Charging Assembly-Related Parts - Canon 1000 Service Manual

7. TROUBLESHOOTING IMAGE FAULTS/MALFUNCTIONS
D. Charging Assembly-Re-
lated Parts
1 Adjusting the Height of the
Charging Wire
Charging assembly
Primary charging
assembly
Separation charg-
ing assembly
Pre-fixing charging
assembly
The height (position) of the charging
wire may be adjusted by turning the
REF.
screw found behind the corona as-
sembly. (The height of the charging
wire for the primary charging assem-
bly, however, cannot be adjusted.) A
full turn of the screw changes the po-
sition of the charging wire by about 0.
7 mm.
7-18
COPYRIGHT © 2001 CANON INC.
Height of charging wire (mm)
17±
0.2
Table 7-201
2
Do not clean the primary grid plate or the pri-
mary charging wire. If image faults (uneven den-
sity) occurs, replace the part.
CANON CLC1000/1000S/3100 REV.2 MAY 2001 PRINTED IN JAPAN (IMPRIME AU JAPON)
Variable width
4 mm
+3.0
9.5
(approx.)
-1.0
4 mm
(approx.)
15±0.2
4 mm
(approx.)
Points to Note When Handling
the Primary Grid Plate and the
Primary Charging Wire