Ricoh D096 Service Manual page 198

Service Call Conditions
145 D
302 B
320 B
321 C
D096
Automatic SBU adjustment error
During the automatic SBU
adjustment, the machine
detects that the white level
read from the white plate or
paper is out of range.
(SP4015)
Charge roller current leak
A current leak signal for the
charge roller is detected.
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.
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.
Exposure lamp defective
Dirty white plate
Incorrect position or width of white
plate scanning (SP4015)
BICU board defective
SBU board defective
Charge roller damaged
High voltage supply board defective
Poor connection of the PCU
Polygon mirror motor defective
Poor connection between the
polygonal mirror motor driver and the
BICU board
Damaged cable between BICU and
polygonal mirror motor driver
BICU board defective
BICU board defective
3-4 SM Appendix