12-8 Troubleshooting
Clear, hard-edged vertical
white streak on all sheets.
Blown element on the thermal print
head or bad cable.
Need new thermal print head or cable.
Contact technical support (refer to
“Contacting Technical Support” on
page 12-30).
Vertical streaking across
the entire sheet.
Thermal print head needs to be
calibrated.
Calibrate the thermal print head (refer
to “Cleaning Print Head and Nosepiece”
on page 10-3).
If calibration does not fix the streaking,
the problem could be software related;
contact technical support (refer to
“Contacting Technical Support” on
page 12-30).
Dark spot that repeats
every few inches on the
sheet.
Dust on the platen. Clean the platen (refer to “Cleaning the
Platen and Donor Guide Bar” on
page 10-8).
Faint horizontal line
across the sheet.
Imager was jarred while printing.
Receive trays causing interference with
media transport.
Avoid jarring the imager when it is
printing (for example, when changing
cassettes). Consider moving the imager
to minimize accidental jarring.
Make a test print with the receive trays
removed. Contact technical support for
assistance (refer to “Contacting
Technical Support” on page 12-30).
Bright, multi-colored
horizontal streaks on
colored sheet.
The ribbon may be wrinkled on the
spool, or the ribbon is damaged.
Install a new ribbon [refer to “Changing
the Ribbon (ChromaVista)” on
page 4-8] and make another print.
Image did not print; error
message printed at
location where image
should have been.
Image sent for printing is invalid, in an
unsupported format, or corrupt.
Make sure that the image is in a format
supported by the imager (refer to the
specifications in Appendix B), and that
it is not corrupt.
Table 12-3. Image Quality Troubleshooting (cont.)
Problem Possible Causes Solutions
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