Service Call Conditions
D017/D018/D019/D020/D084/D085 3-6 SM Appendix
144-1 D
SBU connection error
Connection to the SBU could not be confirmed, possibly due to a defect in
the BCU detection board
144-2 D
SBU serial communication error
Poor SBU power supply caused by SIO, or BCU detection board defective.
144-3 D
SBU GASBU reset error
SBU defective, BCU detection circuit defective.
144-4 D
SBU version error
SBU defective, BCU detection circuit defective.
Harness connection at IPU, BCU, SBU loose, broken, defective.
Spurious electrical noise on power supply line
IPU defective
BCU defective
SBU defective
145 C
Scanner adjustment error
During the SBU adjustment, the machine detects that the white level read
from the white plate or paper is out of range. (SP4605)
Exposure lamp defective
Dirty white plate
Incorrect position or width of white plate scanning (SP4605)
BICU board defective
SBU board defective
161 D
IPU Error
Harness between SBU and
IPU loose or broken
IPU defective
SBU defective
The self-diagnostic test detected an
error at the IPU at power on, or after
the machine returned from energy
save mode.
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