GRAPHTEC SignJet JS310 Series Setup Manual page 80

The reverse side of the
media is dirty.
Black streaks or white
streaks appear in the
printed results.
SignJet JS310 Series Set Up Guide
The color profile is not
correct.
Printhead adjustment has
not been performed.
Incorrect ink selection.
The printing platform is dirty. Clean it.
The media was taken up
before it was dry.
Incorrect feed adjustment
Incorrect printhead position
adjustment
Nozzles are not firing or a
jet trajectory error
occurred.
If there is a bend in one of the ink tubes, ink will
not be supplied to the printhead.
Check whether there is a bend in the ink tubes
connected to the ink tank, or in the inlet tubes.
Check whether the color profile matches the
media being used. Be sure to use a color profile
that matches the media.
Follow the printhead adjustment procedure
described in this manual.
Check whether genuine Graphtec ink is being
used with the printer (See section VII.1
Setting the Printhead Drive Voltage).
If the drying fan is not operating, there is not
sufficient time for the ink to dry. Be sure to use the
drying fan.
If the data has a high printing density, the drying
time may not be sufficient. Choose one of the
following solutions.
Reduce the printing density of the data.
Reduce the printhead carriage speed.
Increase the number of passes.
Perform the
described in this manual (See section VII.9
Media Feed Amount Compensation).
Perform the
procedure described in this manual (See section
VII.7 Adjusting the Positions of Printheads of
the Same Color, and section VII.8 Adjusting
the Positions of Printheads of a Different
Color).
Print the nozzle check pattern to check the
has nozzles (See section VII.6 Printing the Nozzle
Check Pattern).
If there are several nozzles that are not firing,
perform a printhead cleaning operation (See
section
VII.6
Pattern).
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feed adjustment
printhead position
Printing the Nozzle
procedure
adjustment
Check