Canon PIXMA MP800 Service Manual - Page 54

Cleaning by user, Service

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perpendicular to the paper feed direction) 5B Print results may accumulate, smearing paper. duplex printing, and manually print each side of paper. Cleaning by user: 1. Perform Bottom plate cleaning (from the MP driver or via the operation panel) up to 3 times*1. smeared. - Even after Bottom plate cleaning was performed, and the platen ribs were cleaned with cotton swab, paper gets smeared. 2. If soiling on the paper still remains after 3 times of Bottom plate cleaning, wipe the platen rib(s) and their surroundings with a cotton swab. If the phenomenon persists after conducting 1 and 2, servicing is required. 6C 7C Print results Print results Service: Wipe any soiling or dirt off from the sheet feed unit and the bottom case unit ribs*2. Scratches on paper - PP-101D, PP-101, PR- Scratches on the PF 101, SG-101, etc. return lever due to - Paper feeding from the paper feeding from cassette the cassette, and duplex printing path. - Change the paper - Paper is feeding method scratched. from the cassette to - Marks appear the auto sheet on printed feeder. paper. - If automatic duplex printing is performed, cancel it, and, by setting only a single sheet of paper in the auto sheet feeder, manually print each side of paper. - PP-101D, PP-101, PR- When multiple sheets Set only a single 101, SG-101, etc. of paper are set, the sheet of paper in the - Paper feeding from the back side of paper auto sheet feeder. ASF being picked up scratches the front - Multiple number of side of paper beneath sheets loaded (especially where the paper feed rollers contact when picking up the paper). Soiling on paper The machine has been Due to ink mist Clean the ASF sub- used for a long period of attached to the ASF rollers (see *3 for time with the ASF cover sub-pick-up rollers. details). closed before printing is If printing is done performed using the from the cassette ASF. with the ASF cover closed, ink mist is kept inside the machine, attaching to the ASF sub-pick-up rollers. 2-10

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5
B
Print
results
perpendicular to
the paper feed
direction)
may accumulate,
smearing paper.
duplex printing, and
manually print each
side of paper.
Cleaning by user:
1.
Perform Bottom
plate cleaning
(from the MP
driver or via the
operation panel)
up to 3 times
*1
.
2.
If soiling on the
paper still
remains after 3
times of Bottom
plate cleaning,
wipe the platen
rib(s) and their
surroundings
with a cotton
swab.
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
*2
.
smeared.
- Even after
Bottom plate
cleaning was
performed, and
the platen ribs
were cleaned
with cotton
swab, paper
gets smeared.
6
C
Print
results
Scratches on
paper
- PP-101D, PP-101, PR-
101, SG-101, etc.
- Paper feeding from the
cassette
Scratches on the PF
return lever due to
paper feeding from
the cassette, and
duplex printing path.
- Change the paper
feeding method
from the cassette to
the auto sheet
feeder.
- If automatic duplex
printing is
performed, cancel
it, and, by setting
only a single sheet
of paper in the auto
sheet feeder,
manually print each
side of paper.
- Paper is
scratched.
- Marks appear
on printed
paper.
- PP-101D, PP-101, PR-
101, SG-101, etc.
- Paper feeding from the
ASF
- Multiple number of
sheets loaded
When multiple sheets
of paper are set, the
back side of paper
being picked up
scratches the front
side of paper beneath
(especially where the
paper feed rollers
contact when picking
up the paper).
Set only a single
sheet of paper in the
auto sheet feeder.
7
C
Print
results
Soiling on paper
The machine has been
used for a long period of
time with the ASF cover
closed before printing is
performed using the
ASF.
Due to ink mist
attached to the ASF
sub-pick-up rollers.
If printing is done
from the cassette
with the ASF cover
closed, ink mist is
kept inside the
machine, attaching to
the ASF sub-pick-up
rollers.
Clean the ASF sub-
rollers (see *3 for
details).
2-10