Description: White level correction error White level is over prescribed rate.
Causes: • Defective SBU • Defective LED • Defective LED driver • Defective BICU • Defective harness • Scanner unit condensation • Dirty scanner mirror or lens • Dirty platen sheet
Code: 144
Description: Communication Error between BICU and SBU The BICU board cannot detect the SBU connect signal.
Causes: • The flat cable between the BICU board and the SBU has a poor connection • The flat cable between the BICU board and the SBU is damaged • BICU board • SBU
Code: 161-01
Description: IPU (BICU) error (LSYNC error) (D158/D159) Error was detected in the result of the BICU self-check at startup.
Causes: • Defective BICU • Bad cable connection between the SBU and the BICU.
Code: 161-02
Description: IPU (BICU) error (RI response error) (D158/D159) Error was detected on access to the RL
Causes: • Defective BICU
Code: 165
Description: Unauthorized copy protection Failed (D158/D159) Detected the wrong type of copy data protection unit, or no unit was found when copy protection was turned on, or a problem was detected with the unit at startup.
Causes: • Copy data protection unit not attached firmly. • Defective copy data protection unit