Canon NP6320 Service Manual page 190

CHAPTER 10 TROUBLESHOOTING
11. Installing the Corona Wires in the Primary and Transfer Corona Assemblies
• The corona wire must not be bent or twisted, and the gold plating must not be peeling off.
• The corona wire must not be slack. (The length of the corona wire tension spring should be
about 12 mm.)
• The corona wire must be in the V groove of the height adjusting piece.
12. Adjusting the Height of the Corona Wires
Corona assembly
Primary corona
assembly
Transfer corona
assembly
Note:
The height (position) of the corona wire of the primary and transfer corona assemblies can be
adjusted by turning the screw at the back of the corona wire. Turning the screw once causes
the height of the corona wire to change by about 0.7 mm.
10-12
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Primary corona assembly
(about 2 mm)
Transfer corona assembly
(about 5 mm)
Figure 10-216
Standard position
Figure 10-217
COPYRIGHT © 1999 CANON INC.
Allowable range
±2 mm
Approx. 10.5 mm
±2 mm
Approx. 10 mm
CANON NP6320 REV.0 DEC. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON)