• Code: 010-420
• Description: Fuser Near End Of Life Replace the Fuser Assembly in 100K copies.
• Remedy: The Fuser Assembly was replaced. Y↓N→Replace the Fuser Assembly. Enter Service Diagnostics Menu: Printer Menu > Troubleshooting > Service Tools > Printer Status Page > hold the Up and Down buttons simultaneously > Run Service Diagnostics > OK. Perform the Fuser Present test. Fuser is present. Y↓N→Replace the Engine Control Board (MCU PWB) (PL 13.1). Ensure that the Life setting value is 100K, turn the printer power Off, then On. If the problem continues, replace the Engine Control Board (MCU PWB) (PL 13.1).

• Code: 010-421
• Description: Fuser End Of Life Fuser at end of life.
• Remedy: The Fuser Assembly was replaced. Y↓N→Replace the Fuser Assembly. Enter Service Diagnostics Menu: Printer Menu > Troubleshooting > Service Tools > Printer Status Page > hold the Up and Down buttons simultaneously > Run Service Diagnostics > OK. Perform the Fuser Present test. Fuser is present. Y↓N→Replace the Engine Control Board (MCU PWB) (PL 13.1). Ensure that the Life setting value is 100K, turn the printer power Off, then On. If the problem continues, replace the Engine Control Board (MCU PWB) (PL 13.1).

• Code: 010-505
• Description: Fuser Warm Up Message is displayed, Fuser is warming up, during jam clearance when a cover is open and the Fuser has dropped below operating temperature.
• Remedy: Clear the jam. Close any covers or doors. The machine is comes to ready. Y↓N→Go to 008-900 Static Jam RAP. Return to Service Call Procedures.

• Code: 010-600
• Description: Bottom, Developer Fan Fail The machine logic detected a failure of the Bottom Fan or the Developer Fan.
• Remedy: Enter Service Diagnostics Menu: Printer Menu > Troubleshooting > Service Tools > Printer Status Page > hold the Up and Down buttons simultaneously > Run Service Diagnostics > OK. Run the Fan Motors test. The Developer Fan (PL 9.1) revolves at high speed. Y↓N→There is +24 VDC from J404A pin 1 to frame gnd. Y↓N→Check the wires and connectors to the Developer Fan. If the check is OK, replace the Engine Control Board (MCU PWB) (PL 13.1). If the problem continues replace the I/F PWB (PL 9.1). Check the wires and connectors to the Developer Fan. If the check is OK, replace the Developer Fan (PL 9.1). The Bottom Fan (PL 8.1) revolves at high speed. Y↓N→There is +24 VDC from J534 pin 1 to frame gnd. Y↓N→Check the wires and connectors to the Bottom Fan. If the check is OK, replace the Engine Control Board (MCU PWB) (PL 13.1). Check the wires and connectors to the Bottom Fan. If the check is OK, replace the Bottom Fan (PL 8.1). Perform Service Diagnostics. The display is L. Y↓N→Check the fan failure wires and connectors for an open circuit. If the check is OK, replace the fans, one at a time. If this does not resolve the problem, replace the Engine Control Board (MCU PWB) (PL 13.1). The Fans are operating correctly. If the problem continues replace the Engine Control Board (MCU PWB) (PL 13.1).

• Code: 012-112
• Description: H-Transport Entrance Sensor On Jam H-Transport Entrance Sensor is not turned on within a specified time.
• Remedy: Enter Service Diagnostics Menu: Printer Menu > Troubleshooting > Service Tools > Printer Status Page > hold the Up and Down buttons simultaneously > Run Service Diagnostics > OK. Open the H-Transport Cover and actuate the H-Transport Entrance Sensor (PL 21.25). The display changes. Y↓N→Check the circuit of the H-Transport Entrance Sensor. Refer to Transmissive Sensor Procedure for troubleshooting procedure. Perform the H-Transport Drive Motor test. The H-Transport Drive Motor (PL 21.26) energizes. Y↓N→Check the circuit of the H-Transport Drive Motor. Refer to the OF 99-9 RAP for troubleshooting procedure. Close the H-Transport Cover. Perform the Gate Solenoid test. The Gate Solenoid (PL 21.25) actuates. Y↓N→Check the circuit of the Gate Solenoid. Refer to OF 99-8 RAP for troubleshooting procedure. Check the following: • Ensure that the connectors shown in the circuit diagrams are securely connected and that the wires are not damaged. • Check the H-Transport Motor and its associated gears and belts for damage, contamination or misalignment. • Remove the Bumpers from the Baffle in Horizontal Transport and verify operation (PL 21.27). If the above checks are OK, then replace the H-Transport Entrance Sensor (PL 21.25). If the problem persists, replace the Finisher PWB (PL 21.12).

• Code: 012-113
• Description: Booklet In Sensor On Jam The Booklet In Sensor did not turn On within the specified time after Punch Out Sensor ON.
• Remedy: Enter Service Diagnostics Menu: Printer Menu > Troubleshooting > Service Tools > Printer Status Page > hold the Up and Down buttons simultaneously > Run Service Diagnostics > OK. Actuate the Booklet In Sensor (PL 21.21). The display changes. Y↓N→Check the circuit of the Booklet In Sensor. Refer to Transmissive Sensor Procedure for troubleshooting procedure. Perform the Booklet Gate Solenoid test. The Booklet Gate Solenoid (PL 21.21) actuates. Y↓N→Check the circuit of the Booklet Gate Solenoid. Refer to OF 99-8 RAP for troubleshooting procedure. Perform the Finisher Transport Motor test. The Finisher Transport Motor PL 21.10) energizes. Y↓N→Check the circuit of the Finisher Transport Motor. Refer to OF 99-9 RAP for troubleshooting procedure. Check the following: • Ensure that the connectors shown in the circuit diagrams are securely connected and that the wires are not damaged • Check the H-Transport Motor and its associated gears and belts for damage, contamination or alignment • Check the Finisher Transport Motor and its associated gears and belts for damage, contamination or alignment If the above checks are OK, then replace the Booklet In Sensor (PL 21.25). If the problem persists, replace the Finisher PWB (PL 21.12).

• Code: 012-114
• Description: Booklet In Sensor Off Jam 1 The Booklet In Sensor did not turn Off within the specified time.
• Remedy: Enter Service Diagnostics Menu: Printer Menu > Troubleshooting > Service Tools > Printer Status Page > hold the Up and Down buttons simultaneously > Run Service Diagnostics > OK. Actuate the Booklet In Sensor (PL 21.21). The display changes. Y↓N→Check the circuit of the Booklet In Sensor. Refer to Transmissive Sensor Procedure for troubleshooting procedure. Perform the Finisher Solenoid test. The Booklet Gate Solenoid (PL 21.21) actuates. Y↓N→Check the circuit of the Booklet Gate Solenoid. Refer to OF 99-8 RAP for troubleshooting procedure. Perform Service Diagnostics. The motor energizes. Y↓N→Check the circuit of the Booklet Paper Path Motor. Refer to OF 99-9 RAP for troubleshooting procedure. Check the following: • Ensure that the connectors shown in the circuit diagrams are securely connected and that the wires are not damaged • Check the H-Transport Motor and its associated gears and belts for damage, contamination or alignment • Check the Booklet Paper Path Motor and its associated gears and belts for damage, contamination or alignment If the above checks are OK, then replace the Booklet In Sensor (PL 21.25). If the problem persists, replace the Finisher PWB (PL 21.12).

• Code: 012-115
• Description: Booklet Folder Roll Exit Sensor On Jam Booklet Folder Roll Exit Sensor is not turned Off within a specified time.
• Remedy: Enter Service Diagnostics Menu: Printer Menu > Troubleshooting > Service Tools > Printer Status Page > hold the Up and Down buttons simultaneously > Run Service Diagnostics > OK. Actuate the Booklet Folder Roll Exit Sensor (PL 21.21). The display changes. Y↓N→Check the circuit of the Booklet Folder Roll Exit Sensor. Refer to Transmissive Sensor Procedure for troubleshooting procedure. Perform the Finisher Motors test (PL 21.22). The motor energizes. Y↓N→Check the circuit of the Booklet Paper Path Motor. Refer to OF 99-9 RAP for troubleshooting procedure. Perform the Finisher Motors test (PL 21.22). The motor energizes. Y↓N→Check the circuit of the Booklet Folder Roll Motor. Refer to OF 99-9 RAP for troubleshooting procedure. Check the following: • Ensure that the connectors shown in the circuit diagrams are securely connected and that the wires are not damaged • Check the Booklet Paper Path Motor and its associated gears and belts for damage, contamination or alignment • Check the Booklet Folder Roll Motor and its associated gears and belts for damage, contamination or alignment If the above checks are OK, then replace the Booklet Folder Roll Exit Sensor (PL 21.21). If the problem persists, replace the Finisher PWB (PL 21.12).