• Code: 077-129
• Description: Registration Sensor On Jam (Duplex Wait) RAP The Registration Sensor does not turn ON within the specified time after the Registration Clutch On after the Feed has started in Duplex Direct mode.
• Remedy: Check the following: • A paper transportation failure due to a foreign substance/burr on the paper path • Each Duplex Roll and Pinch Roll for contamination, wear, and revolution failure • Each Duplex Roll Drive Gear for wear and damage • Use of paper out of spec • The Registration Sensor for contamination, improper installation, and Actuator operation failure
  Check the following: • The Registration Sensor for failure: Component Control [077-104] (PL 15.1) • The connection between the Registration Sensor P/J121 and the MCU PWB P/J415 for open circuit, short circuit, and poor contact • The Registration Clutch for failure: Component Control [077-002] (PL 15.1) • The Main Drive Motor for revolution failure: Component Control [042-003] CW (PL 3.2) • The Takeaway Clutch for failure: Component Control [077-001] (PL 15.1) • The Registration Transport Assy (PL 15.1) for installation failure • The Duplex Motor for failure: Component Control [077-070] (PL 14.4) Reload the machine software (GP 16). If no problems are found, replace the MCU PWB (PL 18.2).

• Code: 077-130
• Description: Registration Sensor On Jam (Duplex Direct) RAP The Registration Sensor does not turn ON within the specified time after the Registration Clutch On after the Feed has started in Duplex Direct mode.
• Remedy: Check the following: • A paper transportation failure due to a foreign substance/burr on the paper path • Each Duplex Roll and Pinch Roll for contamination, wear, and revolution failure • Each Duplex Roll Drive Gear for wear and damage • Use of paper out of spec • The Registration Sensor for contamination, improper installation, and Actuator operation failure Reload the machine software (GP 16). If no problems are found, replace the MCU PWB (PL 18.2).

• Code: 077-131
• Description: Duplex Sensor On Jam RAP The Duplex Sensor does not turn ON within the specified time after the Exit 2 Motor has started rotating in the Duplex intake direction.
• Remedy: Check the following: • A paper transportation failure due to a foreign substance/burr on the paper path • Each Duplex Roll and Pinch Roll for contamination, wear, and revolution failure • Each Exit Roll and Pinch Roll for contamination, wear, and revolution failure • Each Duplex Roll Drive Gear for wear and damage • Each Exit Roll Drive Gear for wear and damage • Use of paper out of spec • The Duplex Sensor for contamination, improper installation, and Actuator operation failure
  Check the following: • The Duplex Sensor for failure: Component Control [077-105] (PL 14.4) • The connection between the Duplex Sensor P/J109 and the MCU PWB P/J409 for open circuit, short circuit, and poor contact • The Duplex Motor for failure: Component Control [077-070] (PL 14.4) • The Exit 2 Motor for revolution failure: Component Control [077-015] (PL 17.5) • The Exit Gate Solenoid for failure: Component Control [077-004] (PL 17.4) Reload the machine software (GP 16). If no problems are found, replace the MCU PWB (PL 18.2).

• Code: 077-211
• Description: Tray Module Type Mismatch RAP A different type of Tray Module is connected.
• Remedy: 1. Turn the power OFF and ON. 2. Turn the power OFF and check the following: • The DIP Switch settings on the Tray Module PWB • Go to the IOT wirenets. The connection between the MCU PWB P423 and the Tray Module PWB P/J541 for open circuit, short circuit, and poor contact If no problems are found, replace the following parts in sequence: • Reload the machine software (GP 16). • Tray Module PWB (PL 11.13) • MCU PWB (PL 18.2)

• Code: 077-212
• Description: Tray Module Reset Fail RAP The Tray Module reset was detected.
• Remedy: 1. Turn the power OFF and ON. 2. Go to the IOT wirenets. Check whether the voltage between the Tray Module PWB P/ J541-5 (+) and the GND (-) is +5VDC and whether the voltage between the Tray Module PWB P/J541-8 (+) and the GND (-) is +24VDC. 3. Turn the power OFF and go to the IOT wirenets and check the connection between the MCU PWB P423 and the Tray Module PWB P/J541 for open circuit, short circuit, and poor contact If no problems are found, replace the following parts in sequence: • Reload the machine software (GP 16). • Tray Module PWB (PL 11.13) • MCU PWB (PL 18.2)

• Code: 077-214
• Description: Tray Module Logic Fail RAP I/F mismatch between the IOT and the Tray Module was detected.
• Remedy: 1. Turn the power OFF and ON. 2. Turn the power OFF. Go to the IOT wirenets. Check the connection between the MCU PWB P423 and the Tray Module PWB P/J541 for open circuit, short circuit, and poor contact. If no problems are found, replace the following parts in sequence: • Reload the machine software (GP 16). • Tray Module PWB (PL 11.13) • MCU PWB (PL 18.2)

• Code: 077-300
• Description: Front Cover Interlock Open RAP The Front Cover is open.
• Remedy: Check the following: • The Front Cover for damage or mismatch. • The connection between the Front Cover Interlock Switch and the MCU PWB for open circuit, short circuit, and poor contact • The connection between the L/H Cover Interlock Switch and the MCU PWB for open circuit, short circuit, and poor contact Reload the machine software (GP 16). If no problems are found, replace the MCU PWB (PL 18.2).

• Code: 077-301
• Description: L/H Cover Interlock Open RAP
• Remedy: Check the following: • The L/H Cover Unit for damage or mismatch • The L/H Cover Interlock Switch for failure: Component Control [077-300] (PL 18.2) Reload the machine software (GP 16). If no problems are found, replace the MCU PWB (PL 18.2).