Problems with the printing quality
Problems with the printing quality
Printing is faint ...................................................................................................................................................... 621
Paper rubs against the printhead .......................................................................................................................... 622
The edges of the paper are dirty ........................................................................................................................... 623
The surface of the paper is dirty ........................................................................................................................... 623
The back side of the paper is dirty ........................................................................................................................ 623
Immediately after borderless printing, the trailing edge margin is soiled during regular printing
................................................ 624
Printed colors are inaccurate ................................................................................................................................ 624
Banding in different colors occurs ......................................................................................................................... 624
Colors in printed images are uneven ..................................................................................................................... 625
Image edges are blurred or white banding occurs ................................................................................................ 626
Setting the Blue Switch on the Platen .............................................................................................................. 626
The contrast becomes uneven during printing ...................................................................................................... 629
The length of printed images is inaccurate in the feeding direction ........................................................................ 629
Images are printed crooked .................................................................................................................................. 629
Documents are printed in monochrome ................................................................................................................ 629
Line thickness is not uniform ................................................................................................................................ 629
Lines or colors are misaligned .............................................................................................................................. 630
Borders appear in borderless printing ................................................................................................................... 630
Printing is faint
Printing is faint
Cause Corrective Action
You may be printing on the wrong
side of the paper.
Print on the printing surface.
The Printhead nozzles are clog-
ged.
Print a test pattern to check the nozzles and see if they are clogged.
(See "Checking for Nozzle Clogging.") ➔P.576
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.474
Because the printer was left with-
out ink tanks installed for some
time, ink has become clogged in
the ink supply system.
After the ink tanks have been installed for 24 hours, run Head Cleaning B from the Control Panel.
(See "Cleaning the Printhead.") ➔P.577
Paper is jammed inside the Top
Cover.
Follow the steps below to remove the jammed piece of paper inside the Top Cover.
1.
Open the Top Cover and make sure the Carriage is not over the Platen.
2.
Remove any scraps of paper inside the Top Cover.
(See "Clearing Jammed Roll Paper.") ➔P.611
(See "Clearing a Jammed Sheet, Fed Manually.") ➔P.614
3.
Close the Top Cover.
The ink was not dry when paper
was cut.
Specify a longer drying period in the Control Panel menu, in Paper Details > Roll DryingTime.
(See "Menu Settings.") ➔P.474
iPF6400SE
Printing is faint
User's Guide
Troubleshooting Problems with the printing quality
621
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