• Code: SC272-03
• Description: G-MAC communication error: Ma In view of parity, 3 retries were performed
• Causes: • IPU defective • Harness defective • LDB defective
• Remedy: • Cycle the main power off/on • Replace the LD unit • Replace the harness • Replace the IPU board

• Code: SC272-04
• Description: G-MAC communication error: Ye In view of parity, 3 retries were performed
• Causes: • IPU defective • Harness defective • LDB defective
• Remedy: • Cycle the main power off/on • Replace the LD unit • Replace the harness • Replace the IPU board

• Code: SC272-10
• Description: G-MAC communication error: Other In view of parity, 3 retries were performed
• Causes: • IPU defective • Harness defective • LDB defective
• Remedy: • Cycle the main power off/on • Replace the LD unit • Replace the harness • Replace the IPU board

• Code: SC285-00
• Description: MUSIC error The results of MUSIC pattern reading failed 4 times. (even if mode e (real time MUSIC) fails, the error count is not incremented (+1))
• Causes: • TM sensor defective • ITB defective • PCU defective • LD unit defective • MUSIC pattern density thin
• Remedy: • ITB reset • PCU reset • Toner replenishment • Replace the TM (ID) sensor • Replace the ITB • Replace the PCU • Replace the LD unit

• Code: SC312-01
• Description: Charge Roller HVP_CB Output Error (K) Charging AC is set to ON at the standard speed, and the FB voltage of the charging AC of each color is monitored for 200 ms at 20ms intervals (10 times) after 80ms of charge AC_ON, and below 0.3V is detected continuously for 200ms (10 times), the SC of the corresponding color lights up, and machine operation is suspended.
• Causes: • High voltage harness defective or shorted. • PCU setting fault or damage • HVP_CB fault • Connector disconnected • Harness broken
• Remedy: • High voltage harness reset/replacement • PCU reset/replacement • Replace the HVP_CB • Connector reset • Replace the harness

• Code: SC312-02
• Description: Charge Roller HVP_CB Output Error (C) Charging AC is set to ON at the standard speed, and the FB voltage of the charging AC of each color is monitored for 200 ms at 20ms intervals (10 times) after 80ms of charge AC_ON, and below 0.3V is detected continuously for 200ms (10 times), the SC of the corresponding color lights up, and machine operation is suspended.
• Causes: • High voltage harness defective or shorted. • PCU setting fault or damage • HVP_CB fault • Connector disconnected • Harness broken
• Remedy: • High voltage harness reset/replacement • PCU reset/replacement • Replace the HVP_CB • Connector reset • Replace the harness

• Code: SC312-03
• Description: Charge Roller HVP_CB Output Error (M) Charging AC is set to ON at the standard speed, and the FB voltage of the charging AC of each color is monitored for 200 ms at 20ms intervals (10 times) after 80ms of charge AC_ON, and below 0.3V is detected continuously for 200ms (10 times), the SC of the corresponding color lights up, and machine operation is suspended.
• Causes: • High voltage harness defective or shorted. • PCU setting fault or damage • HVP_CB fault • Connector disconnected • Harness broken
• Remedy: • High voltage harness reset/replacement • PCU reset/replacement • Replace the HVP_CB • Connector reset • Replace the harness

• Code: SC312-04
• Description: Charge Roller HVP_CB Output Error (Y) Charging AC is set to ON at the standard speed, and the FB voltage of the charging AC of each color is monitored for 200 ms at 20ms intervals (10 times) after 80ms of charge AC_ON, and below 0.3V is detected continuously for 200ms (10 times), the SC of the corresponding color lights up, and machine operation is suspended.
• Causes: • High voltage harness defective or shorted. • PCU setting fault or damage • HVP_CB fault • Connector disconnected • Harness broken
• Remedy: • High voltage harness reset/replacement • PCU reset/replacement • Replace the HVP_CB • Connector reset • Replace the harness