Rev AB Printing Faults 8-7
Videojet 8520 Operator Manual
Print in block
form or cubic
graphics
The products are conveyed at
too fast a speed for the set
resolution (DPI).
Please adjust the value for the
Resolution (DPI) accordingly.
White stripes in
the print image
Some of the nozzles in the
cartridge may be clogged and
require cleaning.
Please remove the cartridge and clean
the nozzles. It is recommended that you
use a microfiber cloth to clean them. For
optimum cleaning results, dampen the
cloth slightly with distilled water.
Some of the nozzles in the
cartridge may be faulty as a
result of mechanical damage.
Replace the cartridge with a new one.
Please do not forget to reset the ink
level in the “Change cartridge” menu to
100%.
Print gap
between the
printheads (only
applies to
multihead
systems)
The nozzle rows are not aligned
at exactly 90° to the print
direction.
Align the printheads exactly. The nozzle
rows must be aligned at exactly 90° to
the print direction. Use the installation
aid during installation.
Overlapping
between the
printheads (only
applies to
multihead
systems)
The nozzle rows are not aligned
at exactly 90° to the print
direction.
Align the printheads exactly. The nozzle
rows must be aligned at exactly 90° to
the print direction. Use the installation
aid during installation.
Fields are
printed
overlapping
The fields in the job to be
printed are not correctly
positioned.
Adjust the image design in CLARiSOFT
to have non-overlapping fields.
The print is too
light
The print resolution used (DPI)
is too low.
Increase the resolution (DPI) for this
job.
Ink does not dry
fast enough on
the print material
The print resolution used (DPI)
is too high.
Reduce the resolution (DPI) for this job.
Both nozzle rows are being
used.
Reduce the vertical resolution.
Fault Cause Solution
Table 8-1: Printing Faults (Continued)
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