Service Call Conditions
SM 4-5 D017/D018/D019/D020
Trouble-
shooting
SIO Defective
SBU auto adjust error
143 C
The machine could not acquire the white or black peak level setting at
power on.
Exposure lamp, lamp stabilizer harness connection loose, broken,
defective
Exposure lamp defective
Lamp stabilizer defective
Spurious electrical noise on power supply line
White plate dirty or missing
Anti-condensation heater (option) in scanner unit not operating
Harness connection at SBU, iPU, BCU, SIO, loose, broken, defective
SBU defective
IPU defective
BCU defective
SIO Defective
SBU connection error
144-1 D
Connection to the SBU could not be confirmed, possibly due to a defect in
the BCU detection board
SBU serial communication error
144-2 D
Poor SBU power supply caused by SIO, or BCU detection board defective.
SBU GASBU reset error
144-3 D
SBU defective, BCU detection circuit defective.
SBU version error
144-4 D
SBU defective, BCU detection circuit defective.
Harness connection at IPU, BCU, SBU loose, broken, defective.
Spurious electrical noise on power supply line