Line Thickness Is Not Uniform; Lines Are Misaligned - Canon imagePROGRAF iPF825 MFP M40 User Manual

Cause
The Printhead nozzles are clogged.

Line thickness is not uniform

Cause
In the Special Settings dialog box
of the Windows printer driver,
Fast Graphic Process is selected.
The blue Switch on the platen is
set incorrectly.
The type of paper specified in the
printer driver does not match the
type loaded in the printer.

Lines are misaligned

Cause
The Printhead alignment is not ad-
justed.
The type of paper specified in the
printer driver does not match the
type loaded in the printer.
iPF825
Troubleshooting
Print a test pattern to check the color ink nozzles and see if they are
clogged.
(See "Checking for Nozzle Clogging.")
Open the printer driver's Properties dialog box from Print in the application soft-
ware's File menu, and try printing following the steps below.
1. Clear the option Open Preview When Print Job Starts on the Main sheet.
2. Clear the option Page Layout on the Layout sheet.
3. Click the Special Settings button on the Layout sheet to display the Special
Settings dialog box. Clear the option Fast Graphic Process.
Move the Switch numbered corresponding to the size of paper for printing oppo-
site to the ● position. (See "Setting the Blue Switch on the Platen.")
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. Hold down the Stop button for a second or more to cancel printing.
2. Change the type of paper in the printer driver and try printing again.
Adjust the Printhead alignment.
(See "Automatic Straightening of Lines and Colors (Auto Head Adj.).")
→P.676
(See "Manual Straightening of Lines and Colors (Manual Head Adj).")
→P.678
(See "Adjusting Line Misalignment (Head Inc. Adj.).")
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. Hold down the Stop button for a second or more to cancel printing.
2. Change the type of paper in the printer driver and try printing again.
> Problems with the printing quality
Corrective Action
→P.813
Corrective Action
→P.634
→P.664
Corrective Action
→P.680
→P.634
→P.664
Line thickness is not uniform
>
→P.867
12
871