Ricoh D158 - Sc3 Xx: Image Processing

Service Call Conditions
D158/D159/D160/D161/D170 5-12 SM
SC3xx: Image Processing
No.
Definition
Symptom Possible Cause
302 B
Charge roller current leak
A current leak signal for the
charge roller is detected.
 Charge roller damaged
 High voltage supply board
 Poor connection of the PCU
320 B
Polygonal mirror motor error
The polygon mirror motor
does not reach operating
speed within 10 seconds after
the motor ON signal is sent,
or does not turn on within one
of the 200 ms check intervals
during operation.
 Polygon mirror motor
 Poor connection between the
polygonal mirror motor driver and the
BICU board
 Damaged cable between BICU and
polygonal mirror motor driver
 BICU board
321 C
No laser writing signal (F-GATE) error
The laser-writing signal
(F-GATE) fails to turn Low
after the laser crosses 5 mm
on the drum surface from the
laser writing start position.
 BICU board
 The fax controller or printer controller
has a poor connection
 Fax controller or printer controller
322 B
Laser synchronization error
The main scan
synchronization detector
board cannot detect the laser
synchronization signal for
more than 5 consecutive 100
ms intervals.
 Poor connection between the laser
unit and the BICU board
 Damaged cable between BICU and
laser unit
 Laser unit
 BICU board