Additional Troubleshooting - GRAPHTEC SignJet JS310-25ES Service Manual

11.5 Additional Troubleshooting

Symptom Cause
Printing cannot Graphtec
be done/There specified ink
are white (IJ80050 series)
lines/Printing is not used.
condition is not
stable.
Print head
nozzle(s) is
clogged.
Setting of the
EF value is not
correct.
Firing is not
enabled.
JS310-UM-251-9370
Solution
If the ink that is not Graphtec specified (IJ80050
series) is used, unexpected printing trouble may
happen.
Press the INK button to perform the Positive
pressure cleaning.
Set the EF value according to the recommended
EF data that is attached with the print head.
The values need to be set from the operation
panel.
[Main menu]
Print Para > PH Volt. Set > PH"X" Voltage >"
XXXX"
Example:
If the Recommended EF Data is 0.85, enter
"0085".
If Graphtec specified ink (IJ80050 series) is not
used, please set the EF value according to the
note described at right side.
Set the Flash Mode to 1 or 2.
[Main menu]
Print Para > Flash Mode > 1 or 2.
98
11. Troubleshooting
Note
If you use the ink that is not
Graphtec specified ink (IJ80050
series), please check whether the
Xaar XJ-126-300 type print head
is listed on the compatible print
head list of the ink.
Perform a printhead cleaning
operation (see Section 8.5 Printing
the Nozzle Check Pattern).
EF Data;
If Graphtec specified ink (IJ80050
series) is not used, the ink may
not fired correctly. In this case,
please increase the EF value in
+0005 step and check the printing
condition.
"-0025"->"-0020"->"-0015"
->"-0010"->"-0005"->"-0000"
(Xaar specified)
Example; Xaar specified EF is
0.95(0095),
"0070"(0095-0025=0070)->"
0075" (0095-0020=0075)->"
0080"- - - - - - ->"0095"
Flash Mode;
If the printing width is 1/2 full
width or less, set the mode to 1.
If the printing width is wider than
1/2 full width, set the mode to 2.