Image Edges Are Blurred Or White Banding Occurs; Setting The Blue Switch On The Platen - Canon imagePROGRAF iPF8400 User Manual

Image edges are blurred or white banding occurs

Scan Wait Time > Area in the Control Panel
menu is set to Leading edge.
Image edges are blurred or white banding occurs Image edges are blurred or white banding occurs
Cause
The Platen suction is too strong.
Incorrect Printhead alignment value.
The type of paper specified in the print-
er driver does not match the type loa-
ded in the printer.

Setting the Blue Switch on the Platen

Setting the Blue Switch on the Platen
If printed documents exhibit the following symptoms, adjust the setting of the blue Switch on the Platen.
• Image edges are blurred
Image edges are affected by white banding
•
•
Always set all of the blue Switches on the Platen to the ● side for borderless printing. If the Switch are not set correctly, the
print quality may deteriorate.
Important
1
Remove any loaded paper that will not be used.
Rolls (See "Removing the Roll from the Printer.")
•
• Sheet (See "Removing Sheets.")
2
Open the Top Cover.
974
Cause
When Scan Wait Time > Area is set to Leading edge, colors may be uneven 110–160 mm
from the leading edge. (The position varies depending on the Print Quality setting.)
In this case, select Scan Wait Time > Area > Entire area.
However, note that printing will now take longer.
(See "Menu Settings.")
In the Control Panel menu, reduce the level of VacuumStrngth.
(See "Adjusting the Vacuum Strength.")
Close the blue Switch on the platen so that it matches the paper size.
(See "Setting the Blue Switch on the Platen.")
When printing fine lines or text at high precision on glossy or semi-glossy photo or proofing paper, set
the optimal Printhead height before aligning the printhead.
(See "Enhancing Printing Quality.")
In the Control Panel menu, set Head Height to a lower height.
(See "Troubleshooting Paper Abrasion and Blurry Images.")
Load paper of the same type as you have specified in the printer driver.
(See "Loading Rolls in the Printer.")
(See "Loading Sheets in the Printer.")
Make sure the same type of paper is specified in the printer driver as you have loaded in the printer.
1.
Press the Stop button and stop printing.
2.
Change the type of paper in the printer driver and try printing again.
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P.673
Corrective Action
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P.817
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P.802
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P.539
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P.561
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P.545
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P.568
Corrective Action
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P.974
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P.809
iPF8400
User's Guide