• Code: 077-106
• Description: Fuser Exit Sensor On JAM RAP After the Registration Clutch turned On, the Fuser Exit Sensor did not turn On within the specified time.
• Remedy: Check the installation of the Fuser. The Fuser is installed correctly. Y↓N→Install the Fuser correctly. Check for foreign substances, distortion and paper powder in the paper transport path. No foreign substances, distortion or paper powder are found in the paper transport path. Y↓N→Clear away the foreign substances and paper powder. Correct the distortion. Execute Component Control [010-100 Fuser Exit Sensor]. Manually activate the actuator of the Fuser Exit Sensor (PL 5.1). The display changes. Y↓N→Check the connections of P/J125 and P/J410. P/J125 and P/J410 are connected correctly. Y↓N→Connect P/J125 and P/J410. Check the wire between J125 and J410 for an open circuit or a short circuit. The wire between J125 and J410 is conducting without an open circuit or a short circuit. Y↓N→Repair the open circuit or short circuit. Measure the voltage between the MCU PWB P410-1 (+) and GND (-). The voltage is approx. +5VDC. Y↓N→Replace the MCU PWB (PL 9.1). Measure the voltage between the MCU PWB P410-3 (+) and GND (-). Actuate the Fuser Exit Sensor with paper. The voltage changes. Y↓N→Replace the Fuser Exit Sensor (PL 5.1). Replace the MCU PWB (PL 9.1). Execute Component Control [071-036 Main Motor ON]. The Main Motor in the Main Drive Assembly starts rotating and the Fuser starts up. Y↓N→Go to the OF 3 (MAIN DRIVE ASSY RAP). Execute Component Control [091-004 DTS ON]. Measure the voltage between the MCU PWB P/J403A-5 (+) and GND (-). The voltage is approx. +5VDC. Y↓N→Replace the MCU PWB (PL 9.1). Check the wire between P/J403A-5 and P/J500-11 for an open circuit or a short circuit. The wire between J403 and J500 is conducting without an open circuit or a short circuit. Y↓N→Repair the open circuit or short circuit. Re place the Xero/Developer Cartridge (PL 4.1). If the problem persists, replace the HVPS (PL 9.1). if the problem persists, replace the MCU PWB (PL 9.1).

• Code: 077-109
• Description: IOT Exit Sensor ON JAM Straight RAP After the Fuser Exit Sensor turned On, the Exit 2 Sensor did not turn On within the specified time.
• Remedy: Check the installation of the Exit 2 Module. The Exit 2 Module is installed correctly. Y↓N→Install the Exit 2 Module correctly. Check the Transport Roll for wear and paper powder. The Transport Roll is ok. Y↓N→Replace the Transport Roll. Check for foreign substances, distortion and paper powder in the paper transport path. No distortion, foreign substances, or paper powder are found in the paper transport path. Y↓N→Clear away the foreign substances and paper powder. Correct the distortion. Open Left Upper Cover Assembly and verify that Exit 1 Gate (PL 6.2) is free to move. Exit 1 Gate is free to move. Y↓N→Repair as required. Check the clearance between the Diverter Gate and the Fixed Guide on the left hand door. PL 6.4- PL 6.5). Operation is satisfactory. Y↓N→Repair as required (PL 6.4 - PL 6.5). Execute Component Control [071-110 Exit 2 Sensor]. Actuate the Exit 2 Sensor (PL 6.4) with paper. The display changes to H. Y↓N→Check the wire between P/J112 and P/J434 for an open circuit or a short circuit. The wire between J112 and J434 is conducting without an open circuit or a short circuit. Y↓N→Repair the open circuit or short circuit. Replace the Exit 2 Sensor (PL 6.4). If the problem persists, replace the Exit PWB (PL 9.1). Execute Component Control [047-023 Exit 2 Motor ON]. The Exit 2 Motor (PL 6.4) can be heard. Y↓N→Check the wire between P/J208 and P/J433 for an open circuit or a short circuit. The wire between J208 and J433 is conducting without an open circuit or a short circuit. Y↓N→Repair the open circuit or short circuit. Measure the resistance of the Exit 2 Motor (PL 6.4) between J208-1 and each point of J208-2/3/4/5. The resistance is approx. 10Ohm. Y↓N→Replace the Exit 2 Motor (PL 6.4). Replace the Exit 2 Motor (PL 6.4). If the problem persists, replace the Exit PWB (PL 9.1). Execute Component Control [047-024 Exit Gate Solenoid ON]. The Exit Gate Solenoid (PL 6.4) starts up and the gates start switching. Y↓N→Check the wire between P/J209 and P/J433 for an open circuit or a short circuit. The wire between J209 and J433 is conducting without an open circuit or a short circuit. Y↓N→Repair the open circuit or short circuit. Measure the resistance of the Exit Gate Solenoid (PL 6.4) between J209-1 and J209-2. The resistance is approx. 160Ohm. Y↓N→Replace the Exit 2 Motor (PL 6.4). Replace the Exit Gate Solenoid (PL 6.4). If the problem persists, replace the Exit PWB (PL 9.1). Replace the Exit PWB (PL 9.1).

• Code: 077-113
• Description: IOT Exit Sensor OFF JAM Straight RAP After the Exit 2 Sensor turned On, the Exit 2 Sensor did not turn Off within the specified time.
• Remedy: Check the installation of the Exit 2 Module. The Exit 2 Module is installed correctly. Y↓N→Install the Exit 2 Module correctly. Check the Transport Roll for wear and paper powder. The Transport Roll is ok. Y↓N→Replace the Transport Roll. Check for foreign substances, distortion and paper powder in the paper transport path. No distortion, foreign substances, or paper powder are found in the paper transport path. Y↓N→Clear away the foreign substances and paper powder. Correct the distortion. Execute Component Control [071-110 Exit 2 Sensor]. Actuate the Exit 2 Sensor (PL 6.4) with paper. The display changes to H. Y↓N→Check the wire between P/J112 and P/J434 for an open circuit or a short circuit. The wire between J112 and J434 is conducting without an open circuit or a short circuit. Y↓N→Repair the open circuit or short circuit. Replace the Exit 2 Sensor (PL 6.4). If the problem persists, replace the Exit PWB (PL 9.1). Execute Component Control [047-023 Exit 2 Motor ON]. The Exit 2 Motor (PL 6.4) can be heard. Y↓N→Check the wire between P/J208 and P/J433 for an open circuit or a short circuit. The wire between J208 and J433 is conducting without an open circuit or a short circuit. Y↓N→Repair the open circuit or short circuit. Measure the resistance of the Exit 2 Motor (PL 6.4) between J208-1 and each point of J208-2/3/4/5. The resistance is approx. 10Ohm. Y↓N→Replace the Exit 2 Motor (PL 6.4). Replace the Exit 2 Motor (PL 6.4). If the problem persists, replace the Exit PWB (PL 9.1). Replace the Exit PWB (PL 9.1).

• Code: 077-114
• Description: Exit 2 Sensor Static JAM RAP Paper remains on the Exit 2 Sensor.
• Remedy: Execute Component Control [071-110 Exit 2 Sensor]. Actuate the Exit 2 Sensor (PL 6.4) with paper. The display changes to H. Y↓N→Check the wire between P/J112 and P/J434 for an open circuit or a short circuit. The wire between J112 and J434 is conducting without an open circuit or a short circuit. Y↓N→Repair the open circuit or short circuit. Replace the Exit 2 Sensor (PL 6.4). If the problem persists, replace the Exit PWB (PL 9.1). Replace the Exit PWB (PL 9.1).

• Code: 077-129
• Description: Registration Sensor On JAM (Duplex Feed/Stop Case) RAP In the case where Duplex feeding stops, the Registration Sensor did not turn On within the specified time after the Duplex Motor turned On.
• Remedy: Check the installation of the DUP Module. The DUP Module is installed correctly. Y↓N→Install the DUP Module correctly. Check the Transport Roll for wear and paper powder. The Transport Roll is ok. Y↓N→Replace the Transport Roll. Check for foreign substances, distortion and paper powder in the paper transport path. No distortion, foreign substances, or paper powder are found in the paper transport path. Y↓N→Clear away the foreign substances and paper powder. Correct the distortion. Execute Component Control [089-100 Registration Sensor]. Manually activate the actuator of the Registration Sensor (PL 2.4). The display changes. Y↓N→Check the connection of P/J104 and P/J403. P/J104 and P/J403 are connected correctly. Y↓N→Connect P/J104 and P/J403. Check the wire between J104 and J403 for an open circuit or a short circuit. The wire between J104 and J403 is conducting without an open circuit or a short circuit. Y↓N→Repair the open circuit or short circuit. Measure the voltage between the MCU PWB P403B-13 (+) and GND (-). The voltage is approx. +5VDC. Y↓N→Replace the MCU PWB (PL 9.1). Measure the voltage between the MCU PWB P403B-8 (+) and GND (-). Actuate the Registration Sensor with paper. The voltage changes. Y↓N→Replace the Registration Sensor (PL 2.4). Replace the MCU PWB (PL 9.1). Execute Component Control [073-016 Duplex Motor ON]. The Duplex Motor (PL 8.1) can be heard. Y↓N→Check the wire between P/J212 and P/J542 for an open circuit or a short circuit. The wire between J212 and J542 is conducting without an open circuit or a short circuit. Y↓N→Repair the open circuit or short circuit. Replace the Duplex Motor (PL 8.1). If the problem persists, replace the Duplex PWB (PL 8.1). Replace the Duplex PWB (PL 8.1).

• Code: 077-130
• Description: Duplex Out Sensor On JAM RAP In the case where there is non-stop Duplex feed, the Registration Sensor did not turn On within the specified time after the Duplex Sensor turned On.
• Remedy: Check the installation of the DUP Module. The DUP Module is installed correctly. Y↓N→Install the DUP Module correctly. Check the Transport Roll for wear and paper powder. The Transport Roll is ok. Y↓N→Replace the Transport Roll. Check for foreign substances, distortion and paper powder in the paper transport path. No distortion, foreign substances, or paper powder are found in the paper transport path. Y↓N→Clear away the foreign substances and paper powder. Correct the distortion. Execute Component Control [089-100 Registration Sensor]. Manually activate the actuator of the Registration Sensor (PL 2.4). The display changes. Y↓N→Check the connection of P/J104. P/J104 is connected correctly. Y↓N→Connect P/J104. Check the wire between P/J104 and P/J403 for an open circuit or a short circuit. The wire between J104 and J403 is conducting without an open circuit or a short circuit. Y↓N→Repair the open circuit or short circuit. Measure the voltage between the MCU PWB P403B-13 (+) and GND (-). The voltage is approx. +5VDC. Y↓N→Replace the MCU PWB (PL 9.1). Measure the voltage between the MCU PWB P403B-8 (+) and GND (-). Actuate the Registration Sensor with paper. The voltage changes. Y↓N→Replace the Registration Sensor (PL 2.4). Replace the MCU PWB (PL 9.1). Execute Component Control [071-105 Duplex Sensor]. Actuate the Duplex Sensor (PL 8.1) with paper. The display changes to L. Y↓N→Check the wire between P/J123 and P/J541 for an open circuit or a short circuit. The wire between J123 and J541 is conducting without an open circuit or a short circuit. Y↓N→Repair the open circuit or short circuit. Replace the Duplex Sensor (PL 8.1). If the problem persists, replace the Duplex PWB (PL 8.1). Execute Component Control [073-016 Duplex Motor ON]. The Duplex Motor (PL 8.1) can be heard. Y↓N→Check the wire between P/J212 and P/J542 for an open circuit or a short circuit. The wire between J212 and J542 is conducting without an open circuit or a short circuit. Y↓N→Repair the open circuit or short circuit. Replace the Duplex Motor (PL 8.1). If the problem persists, replace the Duplex PWB (PL 8.1). Replace the Duplex PWB (PL 8.1).

• Code: 077-131
• Description: Duplex Wait Sensor On JAM RAP After the Exit 2 Motor turned On, the Duplex Sensor does not turn On within the specified time.
• Remedy: Check the installation of the DUP Module. The DUP Module is installed correctly. Y↓N→Install the DUP Module correctly. Check the Transport Roll for wear and paper powder. The Transport Roll is ok. Y↓N→Replace the Transport Roll. Check for foreign substances, distortion and paper powder in the paper transport path. No distortion, foreign substances, or paper powder are found in the paper transport path. Y↓N→Clear away the foreign substances and paper powder. Correct the distortion. Execute Component Control [071-105 Duplex Sensor]. Actuate the Duplex Sensor (PL 8.1) with paper. The display changes to L. Y↓N→Check the wire between P/J123 and P/J541 for an open circuit or a short circuit. The wire between J123 and J541 is conducting without an open circuit or a short circuit. Y↓N→Repair the open circuit or short circuit. Replace the Duplex Sensor (PL 8.1). If the problem persists, replace the Duplex PWB (PL 8.1). Execute Component Control [073-016 Duplex Motor ON]. The Duplex Motor (PL 8.1) can be heard. Y↓N→Check the wire between P/J212 and P/J542 for an open circuit or a short circuit. The wire between J212 and J542 is conducting without an open circuit or a short circuit. Y↓N→Repair the open circuit or short circuit. Replace the Duplex Motor (PL 8.1). If the problem persists, replace the Duplex PWB (PL 8.1). Execute Component Control [047-023 Exit 2 Motor ON]. The Exit 2 Motor (PL 6.4) can be heard. Y↓N→Check the wire between P/J208 and P/J433 for an open circuit or a short circuit. The wire between J208 and J433 is conducting without an open circuit or a short circuit. Y↓N→Repair the open circuit or short circuit. Measure the resistance of the Exit 2 Motor (PL 6.4) between J208-1 (COM) and each point of J208-2/3/4/5. The resistance is approx. 10Ohm. Y↓N→Replace the Exit 2 Motor (PL 6.4). Replace the Exit 2 Motor (PL 6.4). If the problem persists, replace the Exit PWB (PL 9.1). Replace the Duplex PWB (PL 8.1).

• Code: 077-211
• Description: Detected different Type Tray Module RAP A Tray Module with different specifications is connected.
• Remedy: Check the settings for the DIP SW on the Tray Module PWB. The specifications are correct. Y↓N→Set the correct specifications. Check the connection of each MCU PWB connector. The connectors are connected correctly. Y↓N→Connect the connectors. Check the connection of each 2TM PWB or TTM PWB connector. The connectors are connected correctly. Y↓N→Connect the connectors. Turn on the power again. [077-211] reoccurs. Y↓N→End Check the wire between P/J541 and P/J413 for an open circuit or a short circuit. The wire between J541 and J413 is conducting without an open circuit or a short circuit. Y↓N→Repair the open circuit or short circuit. Measure the voltage between the MCU PWB P413-A5 (+) and GND (-). The voltage is approx. +5VDC. Y↓N→Replace the MCU PWB (PL 9.1). Replace the 2TM PWB (PL 12.6/PL 13.8) or the TTM PWB (PL 12.6/PL 13.8). If the problem persists, replace the MCU PWB (PL 9.1).