Canon PIXUS iP8600, Service Manual

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*1: Change the paper in each Bottom plate cleaning. The cleaning can end when paper does not get any soiling.
*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.
To the top
each side of paper.
8 C Print results
Streaks or uneven
printing at the
leading edge (from
top to approx. 3mm
down) or at the
trailing edge (from
the bottom up to
approx. 18mm) on
specialty paper in
grayscale printing
Only when all the following
conditions are met:
- Specialty paper (PR, SP, SG,
MP GP, etc.)
- Grayscale printing
- Paper is curled.
- If paper is curled, the
leading or trailing edge
contacts the ink absorber,
preventing the dot
placement accuracy,
resulting in uneven
printing or streaks.
- Uneven printing at the
trailing edge.
- Cancel grayscale printing,
and print in colors.
- To print color image in
gray, change the image
color in gray using the
application, then print it
in colors.
- Straighten the paper.
- Lines or uneven
printing at the top or
bottom of paper
9 C Print results
Uneven printing at
the trailing edge
(from the bottom end
to approx. 20mm up) Only when both the following
conditions are met:
- Photo Paper Plus Double
Sided (PP-101D)
- Printing in dark flat color
Incorrect bidirectional
positioning of the print
head. (Inaccuracy in ink
droplet placement at the
trailing edge)
Perform print head
alignment.
- Perform automatic print
head alignment.
- If the problem is not
solved by automatic print
head alignment, perform
manual print head
alignment.
Color hue differs (or
printing is uneven) in
the bottom area.
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