GRAPHTEC SignJet JS310-25ES, Service Manual, Page: 104 / 141

11. Troubleshooting
97 JS310-UM-251-9370
11.4 Other problems
Symptom Cause Solution
The media jammed. The edges of the media curled up, and
became jammed. The edges of the media may curl up if the
media edge guards are not used. Be sure
to use the media edge guards.
If the media touched the print heads,
perform a printhead cleaning operation
(see Section 8.5 Printing the Nozzle
Check Pattern).
The media shifted and touched the print
heads. If the heater temperature is too high,
reduce it.
Check whether the media has been
loaded at an angle. Make sure that the
media is loaded so that it is straight.
Perform a printhead cleaning operation
(see Section 8.5 Printing the Nozzle
Check Pattern).
The gap between the media and the
print heads was insufficient, causing the
media to touch the print heads. Raise the height of the print heads.
Perform a printhead cleaning operation
(see Section 8.5 Printing the Nozzle
Check Pattern).
The media cannot be taken up. The switch setting is incorrect. See Section 7.3 Winding the Media onto
the Take-up Unit in this manual for the
correct switch setting procedure.
The take-up sensor adjustment is
incorrect. Check whether the sensor is being
affected by direct sunlight or indoor
lighting.
See Section 7.3 Winding the Media onto
the Take-up Unit in this manual for the
sensor adjustment procedure.
The waste ink tanks are full. Firmly tighten the caps on the waste
ink tanks and then dispose of them as
industrial waste.