• Code: SC740-10
• Description: 1st Lift Motor Error (D712) • The lift motor rotates in the ascending direction but the upper limit sensor does not detect within specified time (t0sec). (The first time: jam display, the second time: SC) • The lift motor rotates in the descending direction but the lower limit sensor does not detect within specified time (t0sec). (The first time: jam display, the second time: SC)
• Causes: • Lift motor defective/Connecter disconnected • Upper limit sensor defective/Connecter disconnected • Lower limit sensor defective/Connecter disconnected • Harness broken • PCB defective • Mechanical defect of the tray lift mechanism
• Remedy: • Replace or reconnect the lift motor. • Replace or reconnect the upper limit sensor. • Replace or reconnect the lower limit sensor. • Replace the harness. • Replace the PCB. • Repair the tray lift mechanism

• Code: SC740-11
• Description: 1st Pick-Up Motor Error (D712) • Home position is not detected within a specified number of pulses after the pick-up motor is driven. (The first time: jam display, the second time: SC) • Home position is still detected after the pick-up motor has been driven for a specified number of pulses. (The first time: jam display, the second time: SC)
• Causes: • Pick-up motor defective/connector disconnected • Home position sensor defective/connecter disconnected • Harness broken • PCB defective • Mechanical defect of the pick-up mechanism
• Remedy: • Replace or reconnect the pick-up motor. • Replace or reconnect the home position sensor. • Replace the harness. • Replace the PCB. • Repair the pick-up mechanism

• Code: SC740-20
• Description: 2nd Lift Motor Error (D712) • The lift motor rotates in the ascending direction but the upper limit sensor does not detect within specified time (t0sec). (The first time: jam display, the second time: SC) • The lift motor rotates in the descending direction but the lower limit sensor does not detect within specified time (t0sec). (The first time: jam display, the second time: SC)
• Causes: • Lift motor defective/Connecter disconnected • Upper limit sensor defective/Connecter disconnected • Lower limit sensor defective/Connecter disconnected • Harness broken • PCB defective • Mechanical defect of the tray lift mechanism
• Remedy: • Replace or reconnect the lift motor. • Replace or reconnect the upper limit sensor. • Replace or reconnect the lower limit sensor. • Replace the harness. • Replace the PCB. • Repair the tray lift mechanism

• Code: SC740-21
• Description: 2nd Pick-Up Motor Error (D712) • Home position is not detected within a specified number of pulses after the pick-up motor is driven. (The first time: jam display, the second time: SC) • Home position is still detected after the pick-up motor has been driven for a specified number of pulses. (The first time: jam display, the second time: SC)
• Causes: • Pick-up motor defective/connecter disconnected • Home position sensor defective/connecter disconnected • Harness broken • PCB defective • Mechanical defect of the pick-up mechanism
• Remedy: • Replace or reconnect the pick-up motor. • Replace or reconnect the home position sensor. • Replace the harness. • Replace the PCB. • Repair the pick-up mechanism

• Code: SC745-03
• Description: Protection device break error 1 (Mailbox) Protection device break error (fuse tripped)
• Causes: • Short-circuit • Overload • Motor/solenoid defective
• Remedy: • Check the harness. • Replace the PCB. • Replace the motor/solenoid.

• Code: SC773-00
• Description: De-curl Pressure Adjustment Motor Error (D727) • The home position sensor did not change from non-blocked to blocked 9 seconds after homing operation started. • The home position sensor did not change from blocked to nonblocked 1.2 seconds after homing operation started.
• Causes: • Motor defective • Connecter disconnected • Overload • Home position sensor defective
• Remedy: • Check the connections of the motor and home position sensor. • Replace the motor/home position sensor. • Replace the PCB.

• Code: SC780-50
• Description: LCT high efficiency controller communication error An error was detected during read/write access in SPI communication between SPU and high-efficiency controller.
• Causes: • PCB defective • High-efficiency controller defective • High-efficiency controller system clock error
• Remedy: • Replace the PCB.

• Code: SC816
• Description: [0x0000] Energy save I/O subsystem error. Energy save I/O subsystem detected some abnormality.
• Causes: • Energy save I/O subsystem defective • Energy save I/O subsystem detected a controller board error (nonresponse). • Error was detected during preparation for transition to STR.
• Remedy: • Turn the main power off/on. • Replace the controller board.