Ricoh D072 Service Manual page 259

SC Tables (F/SPF: D068/D069)
No.
Definition
Communication Error between BICU and SBU
The BICU cannot correctly
144 B
establish communication with the
SBU.
Automatic SBU adjustment error
The white levels of the white plate
and the white paper are
145 D
extraordinarily different during the
Scan Auto Adjustment (
SP4-428-001).
Image transfer error
Scanned images are not
193 B
transferred to the controller
memory within one minute.
Memory address error
The BICU does not receive the
198 B
memory address report from the
controller within one minute.
D067/D068/D069/D072
Symptom
3-4
Possible Cause
Loose connection of the flat
cable between the BICU and the
SBU
Defective flat cable between the
BICU and the SBU
Defective BICU
Defective SBU
Defective exposure lamp
Unclean white plate
Incorrect position or width of
white plate scanning (
SP4-015)
Defective BICU board
Defective SBU board
Defective BICU board
Defective controller board
Inconsistency between the
BICU firmware and the
controller firmware
Defective BICU
Defective controller
SM Appendix