Cause Corrective Action
Colors may be uneven at the trailing edge
when you print on heavyweight sheets
even if you execute Adj Far Ed Feed.
For heavyweight sheets or similar paper, execute Adj Far Ed Feed with the Front Tray
Guides raised. Also keep the Front Tray Guides raised during printing.
Lower the Front Tray Guides when printing on paper other than heavyweight sheets.
Scan Wait Time > Area in the Control
Panel menu is set to Leading edge.
When Scan Wait Time > Area is set to Leading edge, colors may be uneven 110–140 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.") ➔ P.587
When you load paper in the Front Paper
Feed Slot and print, colors may be uneven
at the leading edge of the paper.
Choose a higher level of Print Quality in the Advanced Settings of the printer driver.
Printing in Fast or Standard mode is faster and consumes less ink than in Highest quality or
High modes, but the printing quality is lower.
(See "Giving Priority to Particular Graphic Elements and Colors for Printing.") ➔ P.57
Straighten the paper if it is warped, and then load it straight into the printer.
(See "Loading Sheets in the Feed Slot.") ➔ P.495
Image edges are blurred or white banding occurs
Image edges are blurred or white banding occurs
Cause Corrective Action
The Platen suction is too strong. In the Control Panel menu, reduce the level of VacuumStrngth.
(See "Adjusting the Vacuum Strength.") ➔ P.721
Close the blue Switch on the platen so that it matches the paper size.
(See "Setting the Blue Switch on the Platen.") ➔ P.886
Incorrect Printhead alignment value. 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.") ➔ P.706
In the Control Panel menu, set Head Height to a lower height.
(See "Troubleshooting Paper Abrasion and Blurry Images.") ➔ P.712
The type of paper specified in the
printer driver does not match the
type loaded in the printer.
Load paper of the same type as you have specified in the printer driver.
(See "Loading Rolls in the Printer.") ➔ P.473
(See "Loading Sheets in the Feed Slot.") ➔ P.495
Make sure the same type of paper is specified in the printer driver as you have loaded in the print-
er.
1.
Press the Stop button and stop printing.
2.
Change the type of paper in the printer driver and try printing again.
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
Important
• 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.
1
Remove any loaded paper that will not be used.
•
Rolls (See "Removing the Roll from the Printer.") ➔ P.478
•
Sheet (See "Removing Sheets.") ➔ P.504
Image edges are blurred or white banding occurs
iPF6400S
User's Guide
Troubleshooting Problems with the printing quality
886
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