Ricoh G-P2 Service Manual page 37

G160 Service Manual
SC
Symptom
[Level]
Paper feed / Fusing motor error
LOCK signal is not
detected for more than
two seconds while the
531
motor START signal is
[D]
on.
LOCK signal is not
cancelled within two
seconds after the motor
is off.
Fan motor error
The fan motor "On" signal is
not detected for the
components below after the
drum motor for black is set to
532
"On".
[D]
PSU fan
Fusing unit fan
Polygon motor fan
Drive unit fan
Exit paper fan
Thermistor error
541
The thermistor output is less
[A]
than 0 °C for six seconds.
Print ready temperature error
The heating roller
temperature increase
that is less than 67
542
degrees for 9 seconds is
[A]
detected five times
consecutively.
The fusing temperature
does not reach the print
Possible Cause/Required Action
Defective paper feed/ fusing motor
1. Replace the paper feed/ fusing motor.
Defective fan motor
1. If the error occurs again, one of the fans
is defective. Remove the covers, find the
defective fan and replace it.
Disconnected thermistor
Defective connector connection
Defective thermistor
Thermistor coming off
Incorrect power supply input at the main power
socket
Defective fusing lamp
30
23-Feb-06