Description: Scanner home position (HP) error 2 The scanner HP sensor did not go ON : • During homing operation • During auto adjustment • During document, book scanning
Causes: • Motor driver error • Defective motor • Defective HP Sensor • Disconnected connectors or damaged harness • Timing belt, pulley, wires or carriage failure
Remedy: Check if the SC occurs by turning the power OFF then ON. If the SC occurs again, do the following steps. Check if the SC reoccurs by cycling the power after each step. 1. Replace the scanner HP sensor. 2. Replace the scanner motor. 3. Replace the harness.
Code: SC141-00
Description: Black level detection error Black level is not less than the prescribed value. This SC is detected when: the scanner power is turned on and the machine returns from the energy saver mode.
Remedy: Check if the SC occurs by turning the power OFF then ON. If the SC occurs again, do the following steps. Check if the SC reoccurs by cycling the power after each step. 1. Reconnect the connector between the SBU and BiCU (FFC). 2. Replace the scanner carriage. 3. Replace the BiCU. 4. Replace the harness (FFC)
Code: SC142-00
Description: White level detection error The white peak level cannot be in the prescribed value when adjusting the scanner gain. This SC is detected when the scanner power is turned on and the machine returns from the energy saver mode.
Causes: • Defective SBU • Defective LED • Defective BiCU • Loose connector • Damaged harness (FFC) • Defective scanner motor • Dirty or incorrect mirror and/or lens • Dirty or incorrect white plate
Remedy: Check if the SC occurs by turning the power OFF then ON. If the SC occurs again, do the following steps. Check if the SC reoccurs by cycling the power after each step. 1. Reconnect the following connectors: SBU-BiCU harness (FFC) connector. SBU-LEDB (scanner lamp board) harness (FFC) connector (SBU) 2. Check the white plate (Exposure glass) Clean the white plate and/or replace the exposure glass. 3. Replace the scanner carriage. 4. Replace the BiCU. 5. Replace the harness (FFC).
Code: SC144-00
Description: SBU communication error The machine cannot detect that the SBU is connected.
Remedy: Check if the SC occurs by turning the power OFF then ON. If the SC occurs again, do the following steps. Check if the SC reoccurs by cycling the power after each step. 1. Reconnect the connector between the scanner carriage and BiCU (FFC). 2. Replace the scanner carriage. 3. Replace the BiCU. 4. Replace the harness (FFC).
Code: SC151-00
Description: Black level correction error: rear side The automatic adjustment has failed to correct the black level (rear side) to the permissible range.
Remedy: Check if the SC occurs by turning the power OFF then ON. If the SC occurs again, do the following steps. Check if the SC reoccurs by cycling the power after each step. 1. Reconnect the connectors between the CIS and BiCU (FFC). 2. Replace the CIS. 3. Replace the BiCU. 4. Replace the harness (FFC).
Code: SC152-00
Description: White level correction error: rear side The automatic adjustment has failed to correct the white level (rear side) to the permissible range.
Remedy: Check if the SC occurs by turning the power OFF then ON. If the SC occurs again, do the following steps. Check if the SC reoccurs by cycling the power after each step. 1. Clean or replace the white plate (rear side). 2. Reconnect the connectors between the CIS and BiCU (FFC). 3. Replace the CIS. 4. Replace the BiCU. 5. Replace the harness (FFC).