Service Call Conditions
SM 4-5
G176/G177/G176L
Tr
ouble
-
shooting
Fusing lamp remains on
545 A
The fusing lamp remained on longer
than 12 sec. after the fusing unit
reached optimum temperature and the
main motor switched off.
Fusing thermistor defective
Power supply board defective
Defective connection of the
fusing unit
Unstable fusing temperature
During standby, the fusing temperature
went below 60
°
C twice or went above
60
°
C three times within 500 ms.
546 A
A 60
°
C increase in fusing temperature
was detected at five 1-sec. intervals
within 60 to 90 sec. before reaching
fusing temperature.
Fusing thermistor defective
Power supply board defective
Defective connection of the
fusing unit
Zero cross signal error
547 B
Zero cross signals of wavelength 50-60
Hz were not detected within 5 sec after
the fusing relay switched on.
-or-
Zero cross interrupts did not issue at
the prescribed 1 sec. intervals.
Power supply board defective
Defective mains power supply
condition
Fusing unit jam
559 A
Three consecutive paper lag jams
(paper failed to arrive) were detected in
the fusing unit. -or-
During printing of the 1st side during
duplexing, the paper did not arrive at
the duplex entrance sensor three
times.
Fusing unit installed
incorrectly
Fusing unit defective
Summary of Contents for G176
Page 1: ...G176 G177 G176L SERVICE MANUAL 003037MIU...
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Page 3: ...G176 G177 G176L SERVICE MANUAL...
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Page 5: ...G176 G177 G176L SERVICE MANUAL 003037MIU...
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Page 25: ...INSTALLATION SECTION 1 INSTALLATION REVISION HISTORY Page Date Added Updated New None...
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Page 52: ...Laser Unit G176 G177 G176L 3 12 SM...
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Page 201: ...DETAILS SECTION 6 DETAILED DESCRIPTIONS REVISION HISTORY Page Date Added Updated New None...
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Page 237: ...SPECIFICATIONS SECTION 7 SPECIFICATIONS REVISION HISTORY Page Date Added Updated New None...
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Page 274: ...G893 8 SM...
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Page 286: ...Paper Size Switch G894 G362 6 SM 1 6 PAPER SIZE SWITCH A Paper size switch Hook x1 x1...