• Code: SC564
• Description: Hot roller thermistor error 4: Hardware - High Temperature. The thermistor detected a temperature over 260°C.
• Remedy: • TRIAC short • IOB defective • BICU defective • Fusing temperature control is erratic Do SP5810 to cancel the SC fusing code.

• Code: SC565
• Description: Hot roller thermistor error 5: Lamp remains ON. After hot roller reaches warmup temperature, the hot roller fusing lamp remains for 6300 sec. while the hot roller is not rotating.
• Remedy: • Thermistor damaged, or out of position • Fusing lamp disconnected, broken Do SP5810 to cancel the SC fusing code.

• Code: SC585
• Description: Double-feed sensor error. The output of the double-feed sensor reaches the upper or lower limit
• Remedy: • Double-feed sensor connector is not connected correctly. • Double-feed sensor is dirty with paper dust. • There is paper or foreign material between the receptor and LED of the double-feed sensor

• Code: SC620
• Description: ARDF communication error. A BREAK signal occurs after the machine detects the ARDF, or a communication timeout occurs.
• Remedy: • ARDF disconnected • IPU board harness disconnected, defective • IPU board defective • Spurious noise from the power supply line • ARDF control board defective

• Code: SC621
• Description: Mailbox-to-Finisher communication error. Communication between the mailbox and finisher is interrupted. An ACK/NCK signal was not received within 100 ms after a data frame is sent and 3 retries failed.
• Remedy: • Connection cable between mailbox and finisher disconnected, defective • Finisher main board defective • BICU defective • PSU defective

• Code: SC622
• Description: LCT communication error. Communication between the copier and LCT is interrupted. An ACK/NCK signal was not received within 100 ms after a data frame is sent and 3 retries failed.
• Remedy: • Connection cable between the LCT and copier is disconnected, defective • LCT main board defective • BICU defective • PSU defective

• Code: SC624
• Description: Mailbox-to-copier communication error. Communication between the mailbox and copier is interrupted. An ACK/NCK signal was not received within 100 ms after a data frame is sent and 3 retries failed.
• Remedy: • Mailbox cable disconnected, defective • Mailbox main board defective • BICU defective • PSU defective

• Code: SC630
• Description: RSS communication error. An error was detected in communication via RSS between the machine and the RSS center. Error occurred on a public line at the RSS terminal.
• Remedy: • No action required