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52 Appendix A: In Case of Difficulty
Common operating problems (con’t)
Symptom Potential Problem Suggested Solution
Poor image quality (con’t)
Contaminated print --
front surface
Media leading edge is curled.
The head cleaning
mechanism may not have
completely cleaned the print
heads
Determine if the media
leading edge is curled. If it is
curled, cut off the curled
area. The curls might be
caused by media wrinkle. If
you have wrinkled media,
feed the media until the
wrinkles disappear, then cut
the media.
Clean the heads using the
Head Maintenance
procedure.
Contaminated print:
back surface
A dirty or contaminated pinch
roller
A dirty or contaminated area
on the platen
Clean the pinch roller.
Clean the platen.
Dark prints
The printer might be set for
the wrong media
Ensure that 720 dpi printing
is not being performed on
360 dpi media
-
Different colors than
expected
The color displayed on the
host computer monitor and
the print colors are not
necessarily the same
Ensure both the monitor and
printer are calibrated.
Light or blank prints The RIP processor is sending
the printer invalid data.
The room temperature is out
of recommended range.
The printer may be set to the
wrong media setting
Check the RIP software to
ensure it is producing valid
data.
Adjust the room temperature
to be in the range between
60°F (15°C) to 85°F (30°C) ;
preferably 72°F (23°C), and
let the equipment stabilize at
the new room temperature.
Ensure that 360 dpi printing
is not being performed on
720 dpi media
-