Epson LQ-510 Technical Manual page 178
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Also See for LQ-510:
- User manual (295 pages) ,
- Product information manual (8 pages) ,
- Paper manual (6 pages)
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REV.-A
Problem
Symptom
Printer does
Voltage on
the
not operate
±12V
at all.
line is dead. supply
LQ-510
Table 5-5. SANPS(E) Power Board Unit Repair
Cause
The +24V
Check the +24 V line.
power
circuit is
dead.
Fuse
Measure the resistance values of R31 and R32.
resistor R31
or R32 is
open.
Transformer
Measure the resistances of transformer coils 7-8, 8-11.
coils are
open.
Checkpoint
TROUBLESHOOTING
Solution
Replace
either R31
or R32.
Replace T1.
5-13
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