EPSON Stylus Photo R800
Revision A
TROUBLESHOOTING
Overview
66
White streak/color
unevenness
occurrence
(Continued)
White streaks/color
unevenness occurs
horizontally in a fixed cycle
during 360dpi printing.
Adjustment
1. Check that PF Adjustment is executed properly.
1. Perform PF Adjustment properly. (Refer
to Chapter 5
2. Check for Dot missing.
2. Change the Ink System Unit for a new
one.
Star Wheel Rollers traces
appear relative to the CR
moving direction.
Paper EJ Frame
Assy.
1. Check that the Star Wheel Units have not come off or the
Star Wheel Rollers turn.
1. Install the Star Wheel Units to the Paper
EJ Frame Assy. correctly.
Printing is executed but blur
occurs.
Printer Driver
and Exclusive
Paper
1. Check that adequate paper is used according to the setting
of the Printer Driver.
1. Use adequate paper according to the
setting of the Printer Driver.
Print Head
1. Using the Adjustment Program, check that the correct Head
ID has been written to the EEPROM.
1. Using the Adjustment Program, enter the
31- digit code of the Head ID to the
EEPROM.
(Refer to Chapter 5
.)
Occurrence of
Paper EJ Roller
traces
Paper EJ Roller traces occur
during printing of print paper
or CD-R.
Printer Driver
and Exclusive
Paper
1. Check that adequate paper is used according to the setting
of the Printer Driver.
1. Use adequate paper according to the
setting of the Printer Driver.
Table 3-15. Print Quality Fault Check Points
Print Quality State
Phenomenon Detail
Faulty Part/
Part Name
Check Point
Remedy
Star Wheel Roller
Star Wheel Units
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