GRAPHTEC SignJet JS310 Series Setup Manual page 79

There are contact
marks on the printed
results.
The color hues of the
printed results are
strange.
SignJet JS310 Series Set Up Guide
The media shifted
touched the printheads.
The gap between the media
and the printheads was
insufficient, causing
media to touch
printheads.
Ink of the wrong color is
be ing emitted by one or
more of the printheads.
Cleaning solution is being
emitted by one or more of
the printheads.
Ink is not being emitted
correctly.
and 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
VII.6
Pattern).
Raise the height of the printheads.
Perform a printhead cleaning operation (See
the section
VII.6
the
Pattern).
Check the following points:
Whether the ink tanks contain ink that is the
same color as the color code sticker on each
tank;
Whether the colored rings on the tubes and
the stickers on the ink tanks are the same
color;
Whether the inlet tubes have been connected
correctly.
If an error was made with any of the above, use
cleaning solution to wash out all the affected
tanks/tubing, and then refill the tanks with ink of
the correct color or re-feed ink through the tubes
as required.
Check the 3-way valve for each ink tank. If any of
the levers is set incorrectly, move it to the ink
supply position.
Print the nozzle check pattern to check the
nozzles
Printing the Nozzle Check Pattern).
If there are several nozzles that are not firing,
perform a printhead cleaning operation.
If the outlet tube caps have not been inserted
firmly, ink is drawn away from the printhead.
Firmly insert the outlet tube caps, and then feed
the ink to the printhead.
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Printing the Nozzle
Printing the Nozzle
(See section
Check
Check
VII.6