Cleaning Cannot Be Performed - GRAPHTEC SignJet JS310-25ES Service Manual

Symptom
The images overlap.
There is a lot of blurring on the
image.
The media cannot be fed at all.

11.3 Cleaning cannot be performed

Symptom
The cleaning solution is not being
fed.
Ink is being fed instead of
cleaning solution.
JS310-UM-251-9370
Cause
The bi-directional band adjustment is
incorrect.
The heater setting value is too low.
The media feed motor is not operating. Check the selector switch on the media
The press rollers are raised.
Cause
Insufficient cleaning solution in the
solution tank.
The 3-way valve for the cleaning
solution tank is shut off.
There is a bend somewhere in the ink
supply tube.
The tubes have been connected
incorrectly.
96
11. Troubleshooting
Solution
Perform the bi-directional band
adjustment procedure (see Section 8.9 Bi-
directional Printing Band Adjustment).
If you replace the media with a different
type, adjust the height of the print heads
or change the printhead carriage speed,
this adjustment procedure must be
performed.
Blurring will occur if the heater setting
value is too low for the media being used.
Raise the setting value.
If phenomena such as the media shifting
occur and the heater setting value cannot
be increased, lower the printhead carriage
speed.
feeding system and the direction selector
switch setting (see Section 7.1 Loading
the Media).
Lower the press roller control pole.
Solution
Check the level of the cleaning solution
in the solution tank. If it is low, add some
more cleaning solution.
Move the lever on the 3-way valve to the
supply position.
Straighten out the bend.
Check whether the ink tank and solution
tank tubes have been connected correctly.
If they have been connected incorrectly,
clean all the solution tank tubing and the
incorrectly connected ink tank tubing,
and then feed cleaning solution and ink
through them once again as appropriate.
Do not mix contaminated cleaning
solution with fresh cleaning solution.