Ricoh SP 6330N, Service Manual

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Service Call Conditions
M047 2-4 SM Appendix
Code No. Symptom Possible Cause
530 B
Fusing fan error
ƒ
Poor connection of the fusing fan
ƒ Fusing fan defective
The CPU detects the fusing fan lock
signal for more than 3 seconds.
531 B
PSU fan error
ƒ
Poor connection of the PSU fan
ƒ PSU fan defective
The CPU detects the PSU fan lock
signal for more than 3 seconds.
541 A
Thermistor error
ƒ
Thermistor defective
The fusing temperature detected by
the thermistor is 0
°
C for 7 seconds
after the fusing relay has been turned
on.
542 A
Fusing temperature warm-up error
ƒ Thermistor defective or
deformed
ƒ Fusing lamp open
ƒ
Fusing thermostat open
The fusing temperature does not
increase by 7
°
C for 10 seconds.
The fusing temperature does not
reach more than 135
°
C for 24
seconds after the main switch is
turned on.
543 A
Fusing overheat error: Software
ƒ Fusing thermistor defective
ƒ Power supply board defective
A fusing temperature of over 235
°
C
is detected for 0.5 seconds by the
fusing thermistor.
544 A
Fusing overheat error: Software
ƒ Fusing control out of control
ƒ Power supply board defective
The machine detects an overheat
error of the hardware.
CÓPIA NÃO CONTROLADA
CÓPIA NÃO CONTROLADA