Canon iP4000 - PIXMA Photo Printer Service Manual page 31

7 B Print results
Scratches on paper
8 C Print results
*2: Locations to clean in servicing when soiling on paper in automatic duplex printing persists:
* Occurrence level:
A: The symptom is likely to occur frequently. (Caution required)
B: The symptom may occur under certain conditions, but likeliness is assumed very low in practical usage.
C: The symptom is unlikely to be recognized by the user, and no practical issues are assumed.
- PP-101D, PP-101, PR-101, SG-101, etc.
- Paper feeding from the cassette
- Multiple number of sheets loaded
Cleaning by user:
1. Perform Bottom plate cleaning (from the printer
*1 : Change the paper in each Bottom plate
2. If soiling on the paper still remains after 3 times
If the phenomenon persists after conducting 1 and
2, servicing is required.
Service:
Wipe any soiling or dirt off from the sheet feed unit
and the bottom case unit ribs
- Paper is scratched. - Change the paper feeding method from the
- Marks appear on printed paper.
- If automatic duplex printing is performed, cancel
<Part 2: 3. FAQ>
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driver) up to 3 times *1 .
cleaning. The cleaning can end when paper
does not get any soiling.
of Bottom plate cleaning, wipe the platen rib(s)
and their surroundings with a cotton swab.
*2 .
cassette to the auto sheet feeder.
it, and, by setting only a single sheet of paper in
the auto sheet feeder, manually print each side of
paper.
cleaning was performed, and the
platen ribs were cleaned with
cotton swab, paper gets
smeared.
Scratches on the PF return lever
due to paper feeding from the
cassette, and duplex printing
path.
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