Canon imagePROGRAF W8400 User Manual page 378

Unexpected Printing Results
Back sides of printed sheets are dirty
Cause 1: A print job using large size media was executed
after a print job on small size media.
Solution 1: Clean the part of the platen under the top cover.
(→ P.4-11)
Cause 2: The platen was not cleaned after a full bleed
print job.
Solution 1: Clean the part of the platen under the top cover.
(→ P.4-11)
Cause 3: Do the print job with the media width detection
function switched off.
Solution 1: Clean the part of the platen under the top cover.
(→ P.4-11)
Black or white streaks visible
Cause 1: Printhead is out of alignment.
Solution 1: Use the operation panel to adjust the amount of
feed for the print media in use. (→ P.4-43)
Cause 2: Printing is not proceeding smoothly due to an
interruption in the flow of data from the
computer.
Solution 1: Close other applications that are open and
cancel other jobs that are executing.
Cause 3: The Feed Priority item is set for Print Length.
Solution 1: For the Feed Priority item, select Band Joint
the adjust the amount of feed. (→ P.4-43)
6- 31
Horizontal lines appear in images printed on
Synthetic Paper
Cause 1: Standard is selected for Print Quality.
Solution 1: In the printer driver, select High or Highest for
Print Quality.
When printing on Glossy Photo Paper or Semi-
Glossy Photo Paper, you may see differences
between light and shaded areas on ripple surfaces
of the media.
Cause 1: You may not be able to achieve a sufficient
image in some print patterns with the printhead
in the middle (standard) position.
Solution 1: Lower the printhead height adjustment lever to
the low position. However, never print on media
that wrinkles easily such as Coated Paper or
Plain Paper with the printhead height
adjustment lever in the low position. This could
damage the printer.
TOP
Chapter 1
Basic Use
Chapter 2
Using Various Media
Chapter 3
Printing by Objective
Chapter 4
Maintenance
Chapter 5
Using the Printer
in a Network
Environment
Chapter 6
Troubleshooting
Chapter 7
Operating the
Function Menu
Contents
Index