Horizon Imager User’s Manual 12-7
Troubleshooting
Table 12-3. Image Quality Troubleshooting
Problem Possible Causes Solutions
Scratches (that is,
physical abrasions) on
the sheet.
There is a substantial buildup of dirt on
the thermal print head, or a burr or
abrasion on a component in the media
path.
Clean the thermal print head (refer to
“Cleaning Print Head and Nosepiece”
on page 10-3).
Perform general cleaning procedures
(refer to “General Cleaning Procedures”
on page 10-18).
If cleaning does not correct the
problem, contact technical support
(refer to “Contacting Technical Support”
on page 12-30).
Dust spots (single light
spots) on the sheet.
These are white on
DirectVista grayscale
media and multicolored
on ChromaVista color
media.
Dust on the sheet. Clean the thermal print head (refer to
“Cleaning Print Head and Nosepiece”
on page 10-3) and platen (refer to
“Cleaning the Platen and Donor Guide
Bar” on page 10-8).
Perform general cleaning procedures
(refer to “General Cleaning Procedures”
on page 10-18).
Dust comet (single light
spot with a tail) on the
sheet.
These are white on
DirectVista grayscale
media and multicolored
on ChromaVista color
media.
Dust on the sheet. Clean the thermal print head (refer to
“Cleaning Print Head and Nosepiece”
on page 10-3) and platen (refer to
“Cleaning the Platen and Donor Guide
Bar” on page 10-8).
Perform general cleaning procedures
(refer to “General Cleaning Procedures”
on page 10-18).
Dust streak (a blurry
streak) on the sheet.
Dust was dragged down the length of
the sheet.
Clean the thermal print head (refer to
“Cleaning Print Head and Nosepiece”
on page 10-3) and platen (refer to
“Cleaning the Platen and Donor Guide
Bar” on page 10-8).
Perform general cleaning procedures
(refer to “General Cleaning Procedures”
on page 10-18).
Dark or light soft-edged
vertical streak on all
sheets.
Contamination on thermal print head. Clean the thermal print head (refer to
“Cleaning Print Head and Nosepiece”
on page 10-3).
To Next Page
Loading...
