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Table 17. LCD Message Troubleshooting (continued)
Displayed Message
FRAMING ERROR
GAP NOT DETECTED
See Manual
GRF CHK ERROR
PRESS PAUSE
Half Speed Mode
HEAD POWER FAIL
IGP/PGL ERROR
Can User
Explanation
Correct?
Yes
Serial framing error over a
serial interface.
Yes
The printer is set for Gap or
Mark sensing, but a gap,
notch, or black mark is not
being detected.
The lower media sensor is
not positioned correctly.
When Advanced Gap or
Advanced Notch is selected,
the upper media sensor is
not positioned above the
lower media sensor.
Gap/Mark Threshold is set
too high or Paper Out
Threshold is set too low.
Yes
In the CT emulation over a
twinax interface, the printer
received a non-printable
character.
Yes
The printhead or power
supply is approaching a hot
state. Half Speed Mode
helps the cooling process
and should permit
completion of print jobs.
Half Speed Mode helps
prevent a PRINT HEAD HOT
or PWR SUPPLY HOT fault,
which will stop the printer.
Yes/No
Printhead lost power.
Yes
Appears when the "Fault"
option is selected from Error
Report in the front panel.
Fault Messages
Solution
Match the serial interface settings of
the printer to those of the host
computer.
1. Check that the setting of the
Gap/Mark Sensor in the
CALIBRATE CTRL menu matches
the installed media.
2. Check the position of the lower and
upper media sensors. (See
"Positioning The Media Sensors" on
page 72.)
3. Clean the sensor assembly and
paper path.
4. Run Auto Calibrate to improve the
sensor's ability to detect the media
in use.
5. Run the Media Profile printout in the
CALIBRATE CTRL menu.
6. Run Manual Calibrate. (See
"Running Manual Calibrate" on
page 81.)
7. Manually change the Gap/Mark
Threshold and/or Paper Out
Threshold values.
Press the PAUSE key twice.
1. Allow printer to continue printing.
Full speed will resume automatically
when a lower printhead or power
supply temperature is achieved.
2. Let the printer cool down. Full
speed will be restored when printing
is resumed.
3. Lower Print Intensity and Print
Speed to reduce frequency of Half
Speed Mode.
1. Replace the printhead.
2. Power off the printer for 15
seconds, then power back on again.
If the problem persists, contact your
authorized customer service
representative.
Deselect "Fault" from Error Report on
the front control panel.
329
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