Troubleshooting
5-18
EPSON FX-880/FX-1180 Service Manual
Table 5-12. Repairing the C229 Main Board Assembly
Symptom
Condition
Possible
Cause
Checkpoint
Solution
The printer
does not
operate.
The CPU does
not operate.
Defective
operation of the
reset circuit.
While turning on the power,
check the voltage waveforms
for the +5 VDC line (pin 3 of
IC1) and the reset signal (pin
1 of IC1). You can use pin 4
as the ground.
5V line
/RESET
Replace the main
board.
The ROM
selection jumper
is defective.
Check the signal waveform
at pin 22 of IC7 and pin 30 of
IC6. (The signal should be
present at one pin, but not
the other.) You may use pin
15 as the ground.
Replace the
power supply
board.
Содержание FX-1180 - Impact Printer
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Страница 11: ...Product Descriptions 1 ii EPSON FX 880 FX 1180 Service Manual ...
Страница 42: ...Operating Principles 2 ii EPSON FX 880 FX 1180 Service Manual ...
Страница 60: ...Disassembly and Assembly 3 ii ESPON FX 880 FX 1180 Service Manual ...
Страница 94: ...Adjustments 4 ii EPSON FX 880 FX 1180 Service Manual ...
Страница 103: ...Troubleshooting 5 ii EPSON FX 880 FX 1180 Service Manual ...
Страница 127: ...EPSON FX 880 FX 1180 Service Manual 6 i 6 Maintenance Preventive Maintenance 6 1 Lubrication 6 1 ...
Страница 128: ...Maintenance 6 ii EPSON FX 880 FX 1180 Service Manual ...
Страница 133: ...Maintenance EPSON FX 880 FX 1180 Service Manual 6 5 Figure 6 5 Lubrication Point 8 Release Shaft Lubricating Point 8 ...
Страница 135: ...Appendix A ii EPSON FX 880 FX 1180 Service Manual ...
Страница 142: ...Appendix EPSON FX 880 FX 1180 Service Manual A 7 Component Layout Figure A 2 C229 MAIN Board Component Layout ...
Страница 143: ...Appendix A 8 EPSON FX 880 FX 1180 Service Manual Figure A 3 C229 PSB Board Component Layout ...
Страница 144: ...Appendix EPSON FX 880 FX 1180 Service Manual A 9 Figure A 4 C229 PSE Board Component Layout ...
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