• Code: 077-305
• Description: Tray Module L/H Cover Open RAP The Tray Module L/H Cover is open.
• Remedy: 1. Turn the power OFF and ON. 2. Check the following: • The Tray Module L/H Cover for damage or mismatch • The Tray Module L/H Cover Switch for failure: Component Control [077-306] (PL 11.13) • The connection between the Tray Module L/H Cover Switch P/J104 and the Tray Module PWB P/J548 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: 077-307
• Description: Duplex Cover Open RAP
• Remedy: Check the following: • The Duplex Cover for damage or mismatch. • The Duplex Cover Switch for failure: Component Control [077-305] (PL 14.4) • The connection between the Duplex Cover Switch P/J108 and the MCU PWB P/J409 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: 077-308
• Description: L/H Upper Cover Open RAP
• Remedy: Check the following: • The L/H High Cover Assembly for damage or mismatch • The L/H High Cover Switch for failure: Component Control [077-302] (PL 17.4) • Turn the power OFF. Check the connection between the L/H High Cover Switch P/J116 and the MCU PWB P/J409 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: 077-309
• Description: L/H Lower Cover Open RAP
• Remedy: Check the following: • The L/H Lower Cover Assembly for damage or mismatch • The L/H Lower Cover Switch for failure: Component Control [077-301] (PL 15.2) • The connection between the L/H Lower Cover Switch P/J111 and the MCU PWB P/J410 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: 077-314
• Description: P/H Module Logic Fail RAP A fatal error was detected in the Tray Module.
• Remedy: 1. Turn the power OFF and ON. 2. Turn the power OFF 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: 077-900
• Description: Registration Sensor Static Jam RAP When the power was turned ON, the M/C was stopped (Cycle Down/ Shut Down), or when the interlocks were closed (all interlocks including options), the Registration Sensor detected paper.
• Remedy: Check the following: • The Registration Sensor for remaining paper, contamination, Actuator return failure, or improper installation • 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 Reload the machine software (GP 16). If no problems are found, replace the MCU PWB (PL 18.2).

• Code: 077-901
• Description: Exit Sensor 1 Static Jam RAP When the power was turned ON, the M/C was stopped (Cycle Down/ Shut Down), or when the interlocks were closed (all interlocks including options), the Fuser Exit Sensor detected paper.
• Remedy: Check the following: • The Fuser Exit Sensor for remaining paper, contamination, Actuator return failure, or improper installation • The Fuser Exit Sensor for failure: Component Control [077-101] (PL 7.1) Reload the machine software (GP 16). If no problems are found, replace the MCU PWB (PL 18.2).

• Code: 077-902
• Description: Exit Sensor 2 Static Jam RAP When the power was turned ON, the M/C was stopped (Cycle Down/ Shut Down), or when the interlocks were closed (all interlocks including options), the Exit 2 Sensor detected paper.
• Remedy: Check the following: • The Exit 2 Sensor for remaining paper, contamination, Actuator return failure, or improper installation • The Exit 2 Sensor for failure: Component Control [077-100] (PL 17.4) • The connection between the Exit 2 Sensor P/J115 and the MCU PWB P/J411 for open circuit, short circuit, and poor contact • The L/H Upper Cover Assembly for damage or mismatch Reload the machine software (GP 16). If no problems are found, replace the MCU PWB (PL 18.2).