Description: SBU transmission error
After the SBU switches on, the BCU detects one of the following conditions on the SBU:
• 1 s after power on, the SYDI signal does not go high, even after 1 retry.
• 1 s after power on, the SYDI signal goes high, but the SBU ID could not be read after 3 attempts.
Causes: • SBU defective
• VIB defective
• Harness (40-pin shielded) between the SBU, VIB is disconnected
• Harness (shielded cable) between the VIB, BCU is disconnected
Code: 165
Description: Copy data security unit error B828
The copy data security option is installed by not operating correctly.
Causes: • Copy data security card corrupted
• The board is not installed or the board is defective
• IPU board defective
Code: 181
Description: CIS lamp abnormal
After the CIS lamp trigger goes on, the CIS lamp is not detected on. Detecting the lamp on or off determines the peak white level value for shading correction. (If the peak level is determined to be below a certain level, the CIS lamp is judged to be off.)
Causes: • CIS lamp defective
• CIS power supply board defective
• CIS lamp regulator defective
• Harness between lamp and lamp regulator is disconnected.
• Harness between CIS, ADF is disconnected
• CIS exposure glass dirty.
• White roller dirty or installed incorrectly
• CIS unit defective
Code: 183
Description: CIS auto adjust error
Automatic adjustment of the CIS unit failed.
Causes: • CIS unit defective
• CIS exposure glass dirty
• White roller dirty or installed incorrectly
Code: 184
Description: CIS transmission error
When the CIS is powered on, the ADF detects one of the following abnormal conditions on the CIS unit:
• The SOUT signal does not go high within 1 s after power on.
• The SOUT signal goes high within 1 s after power on, but the SBU ID cannot be read after 3 attempts.
Causes: • CIS unit defective
• Harness between the CIS, ADF is disconnected
Code: 202
Description: Polygon mirror motor error 1: Timeout at ON
The polygon mirror motor unit did not enter "Ready" status within 20 sec. after the motor was turned on, or within 20 sec. after the speed of rotation was changed.
Causes: • The polygon mirror motor PCB connector is loose, broken, or defective
• Polygon mirror motor PCB defective
• Polygon mirror motor defective
• IPU defective