Canon imagePROGRAF iPF6450 - Manual (Page 992)

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.663
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.63
Straighten the paper if it is warped, and then load it straight into the printer.
(See "Loading Sheets in the Feed Slot.")
→P.557
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.810
Close the blue Switch on the platen so that it matches the paper size.
(See "Setting the Blue Switch on the Platen.")
→P.992
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.794
In the Control Panel menu, set Head Height to a lower height.
(See "Troubleshooting Paper Abrasion and Blurry Images.")
→P.801
The type of paper specified in the print-
er driver does not match the type loa-
ded in the printer. Load paper of the same type as you have specified in the printer driver.
(See "Loading Rolls in the Printer.")
→P.536
(See "Loading Sheets in the Feed Slot.") →P.557
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.
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.540
• Sheet (See "Removing Sheets.") →P.568
Image edges are blurred or white banding occurs iPF6450
User's Guide
Troubleshooting
Problems with the printing quality
992