Canon imagePROGRAF iPF820, User Manual, Page: 646 / 702

Problems with the printing quality
Documents are printed in monochrome
Cause Corrective Action
In the Advanced Settings of the printer driver,
Monochrome , Monochrome (BK ink) , or
Monochrome Bitmap is specied in Color Mode .
In the Advanced Settings of the printer driver,
specify Color in Color Mode and try printing again.
The Printhead nozzles are clogged. Print a test pattern to check the color ink nozzles and
see if they are clogged.
(→P.577)
Line thickness is not uniform
Cause Corrective Action
In the Special Settings dialog box of the Windows
printer driver, Fast Graphic Process is selected.
Open the printer driver’s Properties dialog box from
Print in the application software’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 .
The blue Switch on the platen is open. Close the blue Switch on the platen so that it matches
the paper size.
(→P.629)
Load paper of the same type as you have specied
in the printer driver.
(→P.118)
(→P.150) The type of paper specied in the printer driver does
not match the type specied on the printer.
Make sure the same type of paper is specied 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.
632 Troubleshooting