Banding In Different Colors Occurs; Colors In Printed Images Are Uneven - Canon imagePROGRAF iPF8400S User Manual

Banding in different colors occurs

Banding in different colors occurs Banding in different colors occurs
Cause
The paper feed amount is out of ad-
justment.
Printing does not proceed smoothly
because print jobs are interrupted dur-
ing transmission.
In the Control Panel menu, Adj. Pri-
ority is set to Print Length.
The Printhead is out of alignment.
The Printhead nozzles are clogged.
Streaks may occur if you set the Print
Quality too low.
The type of paper specified in the
printer driver does not match the type
loaded in the printer.

Colors in printed images are uneven

Colors in printed images are uneven
Cause
Line Drawing/Text is selected when print-
ing images in many solid colors.
You are printing on paper that curls easily.
Printed colors may be uneven if you set the
Print Quality too low.
Color may be uneven between dark and
light image areas.
When borderless printing is used, the edge
938
of the paper is cut during printing. Thus, ink
density may be slightly uneven at the lead-
ing edges.
Adjust the feed amount.
(See "Adjusting the Feed Amount.")
Exit other applications and cancel other print jobs.
Setting Adj. Priority to Print Quality in the Control Panel menu and adjusting the feed amount may
improve results.
(See "Adjusting the Feed Amount.")
Adjust the Printhead alignment.
(See "Automatic Adjustment to Straighten Lines and Colors.")
Print a test pattern to check the nozzles and see if they are clogged.
(See "Checking for Nozzle Clogging.")
To check for nozzles after printing, set Frequency in Nozzle Check in the Control Panel menu to a
setting other than Off.
Furthermore, to have a warning displayed depending on the result of the nozzle check, set Warning in
Nozzle Check in the Control Panel menu to On.
Note that when Warning is set to On, printing may stop depending on the content of the warning.
(See "Menu Settings.")
P.641
➔
Choose a higher level of Print Quality in the Advanced Settings of the printer driver and try printing
again.
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.")
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.
In Print Priority in the Advanced Settings of the printer driver, choose Image.
Printed colors may appear uneven on the leading edge of paper that is susceptible to curling.
Select a stronger level in VacuumStrngth in the Control Panel menu to increase suction against
the paper, or specify a leading margin of 20 mm (0.79 in) or more.
(See "Adjusting the Vacuum Strength.")
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.")
Select Unidirectional Printing in the Advanced Settings of the printer driver.
Specify No in Automatic Cutting in the printer driver before printing. In this case, the paper can
be printed without borders on the left and right sides only. Cut the printed document ejected from
the printer, and then use scissors or a cutting tool to cut away the edges on the top and bottom.
Choose a higher level of Print Quality in the Advanced Settings of the printer driver.
(See "Giving Priority to Particular Graphic Elements and Colors for Printing.")
Corrective Action
P.774
➔
P.774
➔
P.768
➔
P.884
➔
P.510
➔
P.533
➔
Corrective Action
P.780
➔
iPF8400S
P.59
➔
P.59
➔
P.59
➔
User's Guide