Service Bulletin
Issued by Canon Europa N.V.
Copier B/W
Hardware
Model:
iR5570
iR6570
Location:
Scanner Mount Assembly
Subject:
Measures against white lines in sub scanning direction due to deformation of Primary Fan Duct
Detail:
<Symptom>
White lines occur in the sub scanning direction.
<Cause>
A Primary Fan Duct [FL2-3018] is partially warped to the Primary Corona Assembly (to the left) [1]. Then, a Cleaner
Pad stops during its operation to cause white lines in the sub scanning direction.
Ref No.:
iR6570-013
(F1-T01-0M5-10039-01)
Date:
January, 2006
P-1 AP kit is dismounted
[1] Warped position of Primary Fan Duct
<Factory work>
Add a tap hole to the position a scanner stays in the copier and fix the Primary Fan Duct (FL2-3018) with a screw so
as to prevent it from warping.
(1/5)
iR6570-013
Service work:
When the symptom above occurs, carry out the following procedure.
1. Refer to "Service manual" > "Image formation" > "7.10.3 Primary Charging Assembly", remove the Primary
Corona Assembly from the copier and check if the part [2] of Primary Fan Duct is warped to the Corona Assembly
(to the left).
2. If it is warped like [2], refer to "Service manual" > "Image formation" > "7.10.1 Process Unit" and remove the
Process Unit (AP kit) from the copier.
3. Unscrew two screws [3] and remove the Primary Fan Duct [4].
(2/5)