Ricoh M080, Service Manual

Page: 154 / 294

Service Call Conditions
M080 2-6 SM Appendix
547 B
Zero cross signal error
ƒ
Power supply board defective
ƒ
Defective mains power supply
condition
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 3 sec. intervals.
559 A
Fusing unit jam
ƒ
Fusing unit installed
incorrectly
ƒ
Fusing unit defective
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.
Note: SP1913 determines whether SC559 is issued. The default is off.
SC559 is not issued after three consecutive jams in the paper unit. If
SP1913 is set to on, turning the machine power off/on does not reset the jam
counter.
590 B
Fan motor error
ƒ
Fan motor disconnected,
defective
ƒ
Fan motor harness loose,
broken, defective
The machine does not lock for 3sec
during rotating the fusing fan motor.