Epson CW-C8000 Series - Problems with Print Quality; Vertical (Paper Width Direction) White Banding; Horizontal (Printing Direction) White Banding; White or Black Banding

Problems with Print Quality
Vertical (Paper Width Direction) White Banding
Cause Solution and Reference
Printed paper was fed backward ❏ If printed paper is fed backward, the paper is stepped on by the paper
pressure rollers and print quality deteriorates. Be sure to separate paper
that has already been printed with the
(cut) button.
❏ Before the paper is fed backward, separate the printed paper with the
(cut) button or set the Settings For Paper Handling After Print to
other than Do not cut (stop at cut position) or Do not cut (stop at
specied position).
The Settings For Paper Handling After Print can be set in the Media Settings
of the printer driver.
U “Printer Driver Settings” on page 39
Horizontal (Printing Direction) White Banding
Cause Solution and Reference
The nozzles are clogging. Use the Print Head Nozzle Check function to check the nozzles for clogging.
U “Printing Nozzle Check Patterns” on page 67
If the nozzles are clogging, run Print Head Cleaning.
If the symptom persists after repeating Print Head Cleaning three or more
times, run Power Cleaning.
U “Cleaning the Print Head” on page 67
If the nozzle self-diagnostic function is disabled, change it to enabled (default).
For more details, see the CW-C8000 Series Technical Reference Guide.
White or Black Banding
Cause Solution and Reference
The settings of Banding Reduction is not
appropriate.
Perform Banding Reduction. For more details, see the CW-C8000 Series
Technical Reference Guide.
Printed Colors Are Wrong
Cause Solution and Reference
If the printer is moved after initial
charging, the specied colors may not be
output (colors may be mixed) due to
vibrations and impacts.
Run Print Head Cleaning and check that colors are no longer mixed.
U “Cleaning the Print Head” on page 67
CW-C8000 Series User's Guide
Troubleshooting
75