Troubleshooting Based On Symptoms - Epson DFX-9000 Service Manual

Serial impact dot matrix printer
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Epson DFX 9000

3.3.3 Troubleshooting based on symptoms

This section describes the troubleshooting based on symptoms of the
printer.
Table 3-6. Troubleshooting Based on Symptoms
Symptom
Status
The printer does
None of the Control Panel LEDs
not perform, or
light.
does not
The Control Panel LEDs all light, but
complete,
stay on.
initialization
Normal Control Panel LED
after the power
operation (all LEDs light briefly, but
is turned on.
only the Power LED stays lit).
A Fatal Error message is displayed
on the LCD.
Troubleshooting
Table 3-6. Troubleshooting Based on Symptoms
Symptom
Printing-related
trouble
Reference
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Ribbon-related
trouble
Troubleshooting
Status
The printer does not receive or does
not print data sent from the host
computer.
The print results differ from the data
sent from the host computer.
The printer does not start printing.
Some dots are missing, or
unnecessary dots are printed.
The printout is spaced incorrectly.
The printout appears dirty, or there is
ribbon ink or contamination on the
printout.
The printout is faint, or the printed
characters have uneven upper or
lower edges.
The printout is partially printed
white or the ribbon is disengaged.
Ribbon jam frequently occurs, or is
frequently indicated.
Revision B
Reference
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