• Code: SC620-02
• Description: ADF Communication Error After ADF connection was recognized on startup, an error is detected. (Retry out due to communication error)
• Causes: • ADF connection fault • ADF defection • IPU board defection • Noise contamination
• Remedy: • Check the ADF cable connection • Replace the ADF • Replace the IPU board

• Code: SC621-00
• Description: Finisher communication error • Detected an error when connecting the communication line. • Received a communication error notification from the URAT.
• Causes: • Finisher control board defective. • BCU defective • IOB defective • Connection fault between finisher and main machine.
• Remedy: • Reconnect the Finisher interface cable • Replace the BCU • Replace the finisher • Turn the power off/on

• Code: SC622-00
• Description: Paper bank communication error • Detected an error when connecting the communication line. • Received a communication error notification from the URAT.
• Causes: • Paper bank control board defective • BCU defective • IOB defective • Paper bank-main machine connection fault
• Remedy: • Reconnect the optional paper tray connection cable • Replace the BCU • Replace the optional paper tray • Turn the power off/on

• Code: SC623-00
• Description: 2nd bank communication error During superposition of single bank - double bank, double bank - side LICT, and LCIT - side LCIT, 1. When the upper bank side recognizes the lower bank, the break of the lower bank is not canceled within t5ms. 2. After the upper bank side recognizes the lower bank, there is no ACK within t6ms after transmission of a data frame to the lower bank, and a timeout error occurs for 3 times consecutively even if retransmission is performed (Bank/LCIT transmits "between bank 1 - bank 2: communication error" to the main machine.)
• Causes: • Bank control board fault • Connector disconnected
• Remedy: • Reset the optional paper tray connecting cable • Replace the BCU • Replace the optional paper tray • Turn the power off/on

• Code: SC632-00
• Description: Counter device error 1 After 3 attempts to send a data frame to the optional counter device via the serial communication line, no ACK signal was received within 100 ms
• Causes: Serial line between the optional counter device, the relay board and copier control board is disconnected or damaged.
• Remedy: • Turn the main power off/on. • Check the serial communication line.

• Code: SC633-00
• Description: Counter device error 2 After communication was established, the controller received the brake signal from the accounting device.
• Causes: Serial line between the optional counter device, the relay board and copier control board is disconnected or damaged.
• Remedy: • Turn the main power off/on. • Check the serial communication line.

• Code: SC634-00
• Description: Counter device error 3 A backup RAM error was returned by the counter device.
• Causes: Counter device control board or the backup battery of counter device defective
• Remedy: • Replace the counter device control board. • Replace the backup battery.

• Code: SC635-00
• Description: Counter device error 4 A backup battery error was returned by the counter device.
• Causes: Counter device control board or the backup battery of counter device defective
• Remedy: • Replace the counter device control board. • Replace the backup battery.