Ricoh G104 Service Manual page 352

Service Call Conditions
SC
Symptom
[Level]
The zero cross signal is
not detected for three
seconds even though
the heater relay is on
after turning on the main
power or closing the
front door.
The detection error
occurs twice or more in
the ten zero cross signal
detections. This error is
defined when the
detected zero cross
signal is less than 17 for
200 ms.
Zero cross frequency error
The detection error occurs
ten times in a row in ten zero
cross signal detections. This
error is defined when the
557
detected zero cross signal is
[C]
more than 28 for 200 ms.
This SC is only logged. In
this case, the power
frequency is defined as 60
Hz.
Continuous paper jam at Fusing unit
The paper jam occurs three
times consecutively at the
559
fusing unit only when the SP
[A]
1159 1 is set to "1 (ON)". If
not, this SP does not occur.
The jam counter is cleared
when a sheet of paper is fed
G160/G161
CÓPIA NÃO CONTROLADA
Possible Cause/Required Action
Noise (high frequency)
1. Check the power supply source.
Defective fusing entrance sensor
Defective EGB
1. Replace the fusing entrance sensor.
2. Replace the EGB.
4-18
CÓPIA NÃO CONTROLADA
SM