Ricoh G-P2 Service Manual page 39

G160 Service Manual
SC
Symptom
[Level]
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
557
error is defined when the
[C]
detected zero cross signal is
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
fusing unit only when the SP
559
1159 1 is set to "1 (ON)". If
[A]
not, this SP does not occur.
The jam counter is cleared
when a sheet of paper is fed
normally.
Controller board command error
687
A command from the
[D]
controller board is not
received.
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.
Loose connection
Defective controller board
Defective EGB
1. Check the connection of the controller
board.
32
23-Feb-06