Canon iR5570 Series Reference manual

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Service Bulletin
Issued by Canon Europa N.V. Copier B/W
Hardware
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.
<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.
Model:
iR5570
iR6570
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

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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].

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4. Prepare the Primary Fan Duct, affix two-sided tape to the Duct as shown in [5] and then remove the release paper
from the tape.
Note: Affix two-sided tape to the position as shown in [6], not lying off the edge of the mold and within 0.5mm from
the edge (OK for extending onto the molt plane).
5. Mount the Primary Fan Duct on the copier with two screws. First, set the Duct [7], hitch two rear Claws of the
Duct to two positions [8] and pull the Duct frontward.
[6] Unacceptable of lying off edge of mold / Within 0.5mm from edge

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6. Affix the side of the Duct with the two-sided tape (at step 4) to the upper Sheet Metal. Be sure that the Sheet Metal
is straight as shown in [10] not warped as shown in [9].
7. Mount the AP-kit on the copier and make sure that the Primary Fan Duct does not extend off the Primary Corona
Rail of the AP-kit as shown in [11]. If it extends off, mount the Primary Fan Duct again.
8. Mount the Primary Corona Assembly, carry out "Additional Function" > "Adjustment/Cleaning" > "Wire
Cleaning" and ensure that the Cleaner Pad can work normally.
Service part:
Part number Description Q'ty I.C. PC Page
Old
215
New FY1-1245-000 TAPE, PRIMARY FAN
DUCT 0->1 -

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Affected machines:
iR6570 120V KHN00372 and later
iR5570 120V KHT01604 and later
iR6570 230V KHP00011 and later
iR5570 230V KHU00014 and later