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White dots or lines appear in the transport direction
If fine white dots and one or more fine white lines appear in the transport
direction (mostly due to dust infiltration), try the following remedies:
Clean the print head resistor line.
1
Use a lint free cloth slightly moistened with Isopropyl alcohol or Ethanol to
remove dirt from the resistor line.
Refer to
'Print head cleaning'
Print a few test sheets using the 'Print test image' function.
2
Refer to
'Printing test images from the hard disk'
If the white lines are still visible, contact your local service organization.
Low frequency banding
If you notice density non uniformity (low frequency banding) in the thermal
head direction, perform print head profile calibration.
Refer to
'Print head profile calibration'
Scratches appear on film
If you notice scratches on the film in the print head direction, this may be due
to the fact that a film sheet has been placed upside-down in the input tray.
Verify the correct position of the films in the input trays.
Refer to
'Place the new film pack in the film tray.'
2800E EN 20050215
on page 109.
on page 94.
on page 111.
on page 42.
D
4500 R
RYSTAR
EFERENCE MANUAL
Troubleshooting
193
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Troubleshooting
