Ricoh M047 - Page 153

Service Call Conditions
SM Appendix 2-5 M047
Appendix:
Trouble-
shooting
Guide
Code No. Symptom Possible Cause
545 A
Fusing lamp stays on
 Fusing thermistor defective
 Power supply board defective
 Defective connection of the
fusing unit
The fusing lamp stays on more than
12 seconds after the main motor has
been turned off.
547 B
Zero cross signal malfunction
 Power supply board defective
 Unstable main power supply
condition
Zero cross signals are already
detected for 0.15 seconds before the
fusing relay-on.
Zero cross signals are not detected
for 3 seconds or the machine cannot
detect a frequency.
559 A
Fusing jam error: 3 counts
 Obstacle in the paper transport
path
 Fusing unit installed incorrectly
 Fusing unit defective
At the fusing exit sensor the paper
jam is detected late for three pulse
counts (lag error) when SP1913-001
is set to "1: Yes".
620 B
Communication error - GAVD
 Engine board defective
The engine board detects an
unknown device.
622 B
Communication error - PFU
 Noise
 Harness connection
disconnected between the
machine and PFU
Three consecutive errors are
detected during polling after the PFU
is successfully detected by the
machine.
CÓPIA NÃO CONTROLADA
CÓPIA NÃO CONTROLADA