Description: Hot-Sagging Recovery Failure RAP The Rear Thermistor detected that the machine does not recover from Hot-Sagging in time.
Remedy: Check for paper on the Fuser. The Fuser has no paper wrapped round it. Y↓N→Remove the paper. Check the installation of the Fuser Unit. The Fuser Unit is securely installed. Y↓N→Install the Fuser Unit securely. Close the LH Cover and the Front Cover. Execute Component Control[071-036 Main Motor ON]. The Main Motor can be heard. Y↓N→Go to the OF 3 (MAIN DRIVE ASSY RAP). Check the resistance of the Rear Thermistor between J600-2 and J600-4. The resistance is 3k ohms or higher. Y↓N→Replace the Fuser Unit (PL 5.1). Check the wire between P/J410 and J600 for an open circuit or a short circuit. The wire between J410 and J600 is conducting without an open circuit or a short circuit. Y↓N→Repair the open circuit or short circuit. Replace the Fuser Unit (PL 5.1). If the problem persists, replace the Power Unit (PL 9.1). If the problem persists, replace the MCU PWB (PL 9.1).
Code: 010-320
Description: Heat Roll Over Temperature Failure RAP • The Control (Center) Thermistor detected a temperature higher than the specified value. • The Rear Thermistor detected a temperature higher than the specified value.
Remedy: NOTE: When [010-320] occurs, NVM[744-220 FuserOverTemp]=1. After repair, change it to NVM[744-220 FuserOverTemp]=0. Check the resistance of the Control (Center) Thermistor between J600-5 and J600-6. The resistance is 3k Ohms or higher. Y↓N→Replace the Fuser Unit (PL 5.1). Check the resistance of the Rear Thermistor between J600-2 and J600-4. The resistance is 3k ohms or higher. Y↓N→Replace the Fuser Unit (PL 5.1). Check the wire between P/J410 and J600 for a short circuit. The wire between J410 and J600 is conducting without a short circuit. Y↓N→Repair the open circuit or short circuit. Check the wire between P/J401 and P/J523 for an open circuit or a short circuit. The wire between J401 and J523 is conducting without an open circuit or a short circuit. Y↓N→Repair the open circuit or short circuit. Replace the Fuser Unit (PL 5.1). If the problem persists, replace the Power Unit (PL 9.1). If the problem persists, replace the MCU PWB (PL 9.1).
Code: 010-327
Description: Fuser On Time Failure RAP • After the Main Lamp turned On during warm up, the Control Thermistor did not detect READY temperature within the specified time. • After the Main Lamp turned On during standby, the Control Thermistor did not detect a specific temperature within the specified time. • After the Sub Lamp turned On during standby, the Control Thermistor did not detect a specific temperature within the specified time. • After the empty rotation started, the Control Thermistor did not detect the empty rotation finishing temperature within the specified time. • After the Main Lamp turned On during printing, the Control Thermistor did not detect a specific temperature within the specified time. • After the Sub Lamp turned On during printing, the Control Thermistor did not detect a specific temperature within the specified time.
Remedy: NOTE: When [010-327] occurs, NVM[744-220 FuserOverTemp]=1. After repair, change it to NVM[744-220 FuserOverTemp]=0. Check for paper on the Fuser. The Fuser has no paper wrapped round it. Y↓N→Remove the paper. Check the installation of the Fuser Unit. The Fuser Unit is securely installed. Y↓N→Install the Fuser Unit securely. Remove the Fuser Unit. Check the conductivity of the contact points of the Thermostat. The contact points are connected. Y↓N→Replace the Fuser Unit (PL 5.1). Check the resistance of the Main Lamp between J600-3 and J600-7 for an open circuit or a short circuit. The resistance of the Main Lamp is 100 ohms or lower. Y↓N→Replace the Fuser Unit (PL 5.1). Check the resistance of the Sub Lamp between J600-1 and J600-7 for an open circuit or a short circuit. The resistance of the Sub Lamp is 100 ohms or lower. Y↓N→Replace the Fuser Unit (PL 5.1). Check the resistance of the Control (Center) Thermistor between J600-5 and J600-6). There is no open circuit in the Center STS and the resistance is 3k ohms or higher. Y↓N→Replace the Fuser Unit (PL 5.1). Check the resistance of the Rear Thermistor between J600-2 and J600-4). The resistance is 3k ohms or higher. Y↓N→Replace the Fuser Unit (PL 5.1). Check the wire between P/J410 and J600 for an open circuit or a short circuit). The wire between J410 and J600 conducts and is free of a short circuit. Y↓N→Repair the open circuit or short circuit. Check the wire between P/J607 and J600 for an open circuit or a short circuit). The wire between J607 and J600 conducts and if free of a short circuit. Y↓N→Repair the open circuit or short circuit. Check the wire between P/J401 and P/J523 for an open circuit or a short circuit. The wire between J401 and J523 conducts and if free of a short circuit. Y↓N→Repair the open circuit or short circuit. Replace the Fuser Unit (PL 5.1). If the problem persists, replace the Power Unit (PL 9.1). If the problem persists, replace the MCU PWB (PL 9.1).
Code: 010-398
Description: Fuser Lock Failure RAP The Fuser Fan failed
Remedy: Turn on the power. Visually check the rotation of the Fuser Fan. The Fuser Fan is rotating. Y↓N→Measure the voltage between the MCU PWB P/J408-2 (+) and GND (-). The voltage is approx. +24VDC. Y↓N→Replace the MCU PWB (PL 9.1). Check the wire between P/J214-13 and P/J408-2 for an open circuit or a short circuit. The wire between J214-13 and J408-2 is conducting without an open circuit or a short circuit. Y↓N→Repair the open circuit or short circuit. Measure the voltage between the Main Drive Assembly CN102-3 (+) and CN102-2 (-). The voltage is +24VDC. Y↓N→Replace the Main Drive Assembly (PL 1.1). Replace the Fuser Fan (PL 4.2). Measure the voltage between the MCU PWB P/J408-1 (+) and GND (-). The voltage is approx. 0VDC. Y↓N→Measure the voltage between the Main Drive Assembly CN102-1 (+) and GND (-). The voltage is approx. 0VDC. Y↓N→Replace the Fuser Fan (PL 4.2). Check the wire between P/J214-14 and P/J408-1 for an open circuit or a short circuit. The wire between J214-14 and J408-1 is conducting without an open circuit or a short circuit. Y↓N→Repair the open circuit or short circuit. Replace the Main Drive Assembly (PL 1.1). Replace the MCU PWB (PL 9.1).
Code: 010-420
Description: Fuser Near end of life RAP The Fuser is near end of life.
Remedy: Turn on the power. Visually check the rotation of the Fuser Fan. The Fuser Fan is rotating. Y↓N→Measure the voltage between the MCU PWB P/J408-2 (+) and GND (-). The voltage is approx. +24VDC. Y↓N→Replace the MCU PWB (PL 9.1). Check the wires between MCU PWB and the Fuser Fan for an open or a short circuit. The wires between MCU PWB and the Fuser Fan conducts with less than a few ohms. Y↓N→Repair the open circuit or short circuit. Replace the Fuser Fan (PL 4.2). Measure the voltage between the MCU PWB P/J408-1 (+) and GND (-). The voltage is approx. 0VDC. Y↓N→Check the wire between the MCU PWB and the Fuser Fan for an open circuit or a short circuit. The wire conducts with less than a few ohms. Y↓N→Repair the open circuit or short circuit. Replace the Fuser Fan (PL 4.2). Replace the MCU PWB (PL 9.1).
Code: 010-421
Description: Fuser end of life RAP The Fuser is near end of life.
Remedy: Turn on the power. Visually check the rotation of the Fuser Fan. The Fuser Fan is rotating. Y↓N→Measure the voltage between the MCU PWB P/J408-2 (+) and GND (-). The voltage is approx. +24VDC. Y↓N→Replace the MCU PWB (PL 9.1). Check the wires between MCU PWB and the Fuser Fan for an open or a short circuit. The wires between MCU PWB and the Fuser Fan conducts with less than a few ohms. Y↓N→Repair the open circuit or short circuit. Replace the Fuser Fan (PL 4.2). Measure the voltage between the MCU PWB P/J408-1 (+) and GND (-). The voltage is approx. 0VDC. Y↓N→Check the wire between the MCU PWB and the Fuser Fan for an open circuit or a short circuit. The wire conducts with less than a few ohms. Y↓N→Repair the open circuit or short circuit. Replace the Fuser Fan (PL 4.2). Replace the MCU PWB (PL 9.1).
Code: 012-111
Description: H-Transport Entrance Sensor Off JAM A RAP After the H-Transport Entrance Sensor turned On, the H-Transport Entrance Sensor did not turn Off within the specified time.
Remedy: 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[012-190 H-Transport Entrance Sensor]. Actuate the H-Transport Entrance Sensor (PL 23.4) with paper. The display changes. Y↓N→Check the connections of J8861 and J8987. J8861 and J8987 are connected correctly. Y↓N→Connect J8861 and J8987. Check the wire between J8861 and J8987 for an open circuit or a short circuit. The wire between J8861 and J8897 is conducting without an open circuit or a short circuit. Y↓N→Repair the open circuit or short circuit. Measure the voltage between the Finisher PWB P8987-4 (+) and GND (-). The voltage is approx. +5VDC. Y↓N→Replace the Finisher PWB (PL 23.16). Measure the voltage between the Finisher PWB P8987-6 (+) and GND (-). Actuate the H-Transport Entrance Sensor with paper. The voltage changes. Y↓N→Replace the H-Transport Entrance Sensor (PL 23.4). Replace the Finisher PWB (PL 23.16). Power OFF. Open the H-Transport Top Cover. Cheat the H-Transport Interlock Sensor. Power ON. The H-Transport Belt rotates. Y↓N→Check the connections of P/J8862 and J8987. P/J8862 and J8987 are connected correctly. Y↓N→Connect P/J8862 and J8987. Check the wire between J8862 and J8987 for an open circuit or a short circuit. The wire between J8862 and J8987 is conducting without an open circuit or a short circuit. Y↓N→Repair the open circuit or short circuit. Measure the resistance of the H-Transport Motor between each point of J8862-1/2/5/6. The resistance is approx. 20Ohm. Y↓N→Replace the H-Transport Motor (PL 23.4). Measure the voltage between the Finisher PWB J8987-21/22/23/24 (+) and GND (-),. The voltage is approx. +24VDC. Y↓N→Replace the Finisher PWB (PL 23.16). Replace the H-Transport Motor (PL 23.4). If the problem persists, replace the Finisher PWB (PL 23.16). Replace the Finisher PWB (PL 23.16).
Code: 012-112
Description: H-Transport Entrance Sensor On JAM A RAP After the Engine Fuser Exit Sensor turned On, the H-Transport Entrance Sensor did not turn On within the specified time.
Remedy: 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[012-190 H-Transport Entrance Sensor]. Actuate the H-Transport Entrance Sensor (PL 23.4) with paper. The display changes. Y↓N→Check the connections of J8861 and J8987. J8861 and J8987 are connected correctly. Y↓N→Connect J8861 and J8987. Check the wire between J8861 and J8987 for an open circuit or a short circuit. The wire between J8861 and J8897 is conducting without an open circuit or a short circuit. Y↓N→Repair the open circuit or short circuit. Measure the voltage between the Finisher PWB P8987-4 (+) and GND (-). The voltage is approx. +5VDC. Y↓N→Replace the Finisher PWB (PL 23.16). Measure the voltage between the Finisher PWB P8987-6 (+) and GND (-). Actuate the H-Transport Entrance Sensor with paper. The voltage changes. Y↓N→Replace the H-Transport Entrance Sensor (PL 23.4). Replace the Finisher PWB (PL 23.16). Power OFF. Open the H-Transport Top Cover. Cheat the H-Transport Interlock Sensor. Power ON. The H-Transport Belt rotates. Y↓N→Check the connections of P/J8862 and J8987. P/J8862 and J8987 are connected correctly. Y↓N→Connect P/J8862 and J8987. Check the wire between J8862 and J8987 for an open circuit or a short circuit. The wire between J8862 and J8987 is conducting without an open circuit or a short circuit. Y↓N→Repair the open circuit or short circuit. Measure the resistance of the H-Transport Motor between each point of J8862-1/2/5/6. The resistance is approx. 20Ohm. Y↓N→Replace the H-Transport Motor (PL 23.4). Measure the voltage between the Finisher PWB J8987-21/22/23/24 (+) and GND (-),. The voltage is approx. +24VDC. Y↓N→Replace the Finisher PWB (PL 23.16). Replace the H-Transport Motor (PL 23.4). If the problem persists, replace the Finisher PWB (PL 23.16). Replace the Finisher PWB (PL 23.16).