Canon i960 - FAQ (Specific Problems and Solutions)

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3. FAQ (Specific Problems and Solutions)
No. Occurrence
level*
Function Symptom Condition Cause Solution Possible call or complaint
- Plain paper
(A4-/LTR-/LGL-sized
heavy paper, such as
Brilliant White Paper)
- When many sheets are set.
The paper is not fed due to its
rigidity.
- Reduce the number of sheets to
set in the sheet feeder, to below
half the reference mark.
1 B Paper
feeding
No paper feeding
(using the ASF or
paper feed cassette)
- Paper which is likely to
produce paper powder
(using the paper feed
cassette)
Paper powder attaches the paper
feed roller, causing reduced paper
feed capability.
- Wipe off paper powder from the
paper feed roller. (Wipe the
paper feed roller with tissue
paper dampened with water,
and dry the roller sufficiently.
- Paper does not feed.
- No paper error (operator
call error)
- The printer does not
respond.
2 B Print
results
Contact of the paper’s
trailing edge to the
print head
- Plain paper
- Paper conditions (curled)
If paper is curled (with the edges
upward), the trailing edge will
contact the print head.
- Straighten the paper.
- Increase the space between the
paper and the print head (to
prevent the paper edge from
contacting the print head).
- Printout is smeared.
- Lines or streaks appear on
printouts.
3 B Print
results
Contact of the paper
to the print head
(when using the auto
duplex printing unit)
- Plain paper
- Duplex printing (using the
auto duplex printing unit)
- Printing of a heavy-duty
pattern
Immediately after printing, paper
ripples form, contacting the print
head.
- Increase the space between the
paper and the print head (to
prevent the paper from
contacting the print head.)
- Reduce the print density.
- Printout is smeared.
- Lines or streaks appear on
printouts.
4 C Print
results
Black streaks at the
leading edge of
backside (using the
auto duplex printing
unit)
- Printing to the backside of
plain paper
Within specifications (When the
backside of the paper is fed, the
paper feed amount is slightly small
for mechanical reasons.)
- Set the print quality to Quality 1
(Fine).
- Streaks (horizontal lines)
appear on printouts.
5 C Print
results
Uneven print density - Plain paper
- Print patter containing high
print duty portions
(graphics, photos, etc.)
When the print duty reaches the
specified value within one page, the
print mode switches from
bi-directional to unidirectional.
(Uneven print density occurs
depending on the switching timing.)
- Set the print quality to Quality 1
(Fine).
- Print density is uneven.
* 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.