• Code: SC632
• Description: Key/card counter device error 1. After 1 data frame is sent to the device, an ACK signal is not received within 100 ms, and is not received after 3 retries.
• Remedy: • The serial line from the device to the copier is unstable, disconnected, or defective.

• Code: SC633
• Description: Key/card counter device error 2. During communication with the device, the BICU received a break (Low) signal.
• Remedy: • The serial line from the device to the copier is unstable, disconnected, or defective.

• Code: SC634
• Description: Key/card counter device error 3. After installation of the device, a message alerts user to a backup RAM error.
• Remedy: • Device control board defective • Device control board backup battery defective

• Code: SC635
• Description: Key/card counter device error 4. After installation of the device a message alerts user to a battery voltage abnormal error.
• Remedy: • Device control board defective • Device control board backup battery defective

• Code: SC670
• Description: Engine startup error. • Engine does not respond within 30 s after power ON. • Engine down detected suddenly during power ON and warmup.
• Remedy: • BICU installation incorrect • BICU defective • Sudden communication reset occurred between the BICU and the controller.

• Code: SC672
• Description: GW controller startup error. • After power ON, the line between the GW controller and the operation panel did not open for normal operation. • After normal startup, communication with the GW controller stopped.
• Remedy: • GW Controller stalled • GW Controller installed incorrectly • GW Controller board defective • Operation panel harness disconnected or defective

• Code: SC680
• Description: BICU-MUSIC communication error. The main CPU fails to communicate with the MUSIC CPU within 5 sec. and three attempts failed.
• Remedy: • Toner cartridge ID chip harness disconnected, defective • Toner cartridge ID chip defective • Toner cartridge installed incorrectly • Toner cartridge defective • UART communication failure; replace the BICU

• Code: SC687
• Description: Memory address command error. The BICU does not receive a memory address command from the controller 120 seconds after paper is in the position for registration.
• Remedy: • BICU-Controller connection loose, defective • BICU defective • Controller defective