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Soiled image (Black dots) due to toner unable to be collected by
a scraper
[Symptom]
When printing with the machines manufactured before the following serial numbers, soiled image (black dots) [a] may occur at
the edge of papers (front or rear side) in 37mm intervals.
The arrow [b] indicates the feed direction.
[Cause]
The double-sided tape that secures the scraper [1] which collects waste toner has a shape where the edge of the glued portion
is narrower than the center of the glued portion. Thus depending on the force to affix the scraper [1] or the displacement of the
affixing position, in a high temperature/high humidity environment, the position of the edge may be displaced [b] depending on
the force loaded in the direction of the arrow [a]. The above symptom occurs because toner cannot be collected in the area where
the sheet is displaced.
[Service work]
The developing assembly (black) is changed to the new type where the double-sided tape securing the sheet has stronger
adhesive.
- iR-ADV C9000/C7000/C9000S Series : FM4-6615-020 DEVELOPING ASSEMBLY, BK
- iR-ADV C9200/C7200 Series : FM0-2709-010 DEVELOPING ASSEMBLY, BK
- imagePRESS C800/C850 Series : FM1-C717-020 DEVELOPING ASSEMBLY, BK
[Service parts]
(iR-ADV C9000/C7000/C9000S Series)
No.
Part Number
Description
Q'ty.
Fig. No.
1
Old
FM4-6615-010
DEVELOPING ASSEMBLY, BK
1->0
102
New
FM4-6615-020
DEVELOPING ASSEMBLY, BK
0->1
(iR-ADV C9200/C7200 Series)
22
Содержание imagePRESS C850
Страница 1: ...Troubleshooting Guide imagePRESS C850 Series March 2018 Canon U S A Inc ...
Страница 27: ... Service parts No Part Number Description Q ty Fig No 1 Old New FM1 M165 000 HEAT COVER 0 1 25 ...
Страница 32: ...1 8 Remove 4 screws 1 on the Tray 1 1 9 Remove 5 screws 1 on the undersurface of the Tray 1 30 ...
Страница 39: ...2 12 Remove 5 screws 1 on the undersurface of the Tray 1 2 13 Detach the Tray cover upper 1 37 ...
Страница 45: ...Model Serial number PAPER DECK UNIT_ F1 A4 WES05369 43 ...
Страница 69: ...3 Reinstall the fixing feeding assembly in reverse order of the step 67 ...