• Code: 012-283
• Description: Clamp Home Sensor On Fail Set Clamp Home Sensor is not turned On within a specified time.
• Remedy: 1 1. Enter Service Diagnostics Menu: Printer Menu > Troubleshooting > Service Tools > Printer Status Page > hold the Up and Down buttons simultaneously > Run Service Diagnostics > OK. Check the Set Clamp Home Sensor: Finisher Tests > Finisher Sensors > Misc. 2. Does the value change from H to L while rotating the actuator? To to step 2. Use the Transmissive Sensor Procedure () to diagnose and repair the Sensor. 2 Does the Solenoid energize when running the Set Clamp Paddle test in Diagnostics? Go to step 3. Go to step 4. 3 1. Perform the Eject Forward test and then the Eject Release test in Diagnostics. 2. Does the Set Clamp Paddle turn once? Replace the Finisher Control Board. Go to step 4. 4 Is +24 VDC present at P848A-10? Go to step 5. Go to step 6. 5 Is +24 VDC present at 848A-11? Replace the Finisher Control Board. Replace the Set Clamp Solenoid. 6 Is +24 VDC present at test point 9 on the Finisher Control Board? Replace the Finisher Control Board. Troubleshoot and repair the +24 VDC Interlock circuit.

• Code: 012-284
• Description: Set Clamp Home Sensor Off Fail Set Clamp Home 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 Eject Clamp Home Sensor (PL 21.8). The display changes. Y↓N→Check the circuit of the Eject Clamp Home Sensor. Refer to Transmissive Sensor Procedure for troubleshooting procedure. Perform the Eject Motor test. The Eject Motor (PL 21.8) moves up. Y↓N→The Eject Motor energized. Y↓N→Check the circuit of the Eject Motor. Refer to OF 99-9 RAP for troubleshooting procedure. Check the Eject Motor and its associated gears, pulleys and belts for damage, contamination and misalignment (PL 21.8). Perform the Set Clamp Clutch test. The Eject Roll Shaft (PL 21.8) rotates. Y↓N→The Set Clamp Clutch energized. Y↓N→Check the circuit of the Set Clamp Clutch. Refer to OF 99-9 RAP for troubleshooting procedure. Check the Set Clamp Clutch and its associated gears, pulleys and belts for damage, contamination and misalignment (PL 21.8). Check the following: • Ensure that the Eject Clamp Home Sensor connectors are securely connected and that the wires are not damaged • Ensure that the Eject Motor connectors are securely connected and that the wires are not damaged If the above checks are OK, replace the Eject Clamp Home Sensor (PL 21.7). If the problem persists, replace the Finisher PWB (PL 21.12).

• Code: 012-286
• Description: Decurler Home Sensor On Fail Decurler Home Sensor is not turned On after the lapse of 1000msec from the detection of Decurler Home Sensor Off.
• Remedy: 1 1. Enter Service Diagnostics Menu: Printer Menu > Troubleshooting > Service Tools > Printer Status Page > hold the Up and Down buttons simultaneously > Run Service Diagnostics > OK. Rotate the Actuator while running the Decurler Cam Position test. 2. Does the value change from H to L while rotating the actuator? To to step 2. Refer to the Transmissive Sensor Procedure () to diagnose and repair the Sensor. 2 Does the Solenoid energize when running the Set Clamp Paddle test in Diagnostics? Check for a mechanical problem with the Decurler Cam Clutch Drive. If no problem is found, replace the Clutch. Go to step 3. 3 Is +24 VDC present at P/J849-1? Replace the Decurler Cam Clutch. Go to step 4. 4 Is +24 VDC present at test point 5 on the Finisher Control Board? Replace the Finisher Control Board. Troubleshoot the +24 VDC Interlock circuit. 5 Is +24 VDC present at P/J847-11 with the Finisher Stacker Motor Down test running in Diagnostics? Replace the Stacker Motor. Replace the Finisher PWB.

• Code: 012-287
• Description: Decurler Home Sensor Off Fail Decurler Move Home Sensor is not turned Off after the lapse of 1000msec from the detection of Decurler Home 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 Decurler Home Sensor (PL 21.26). The display changes. Y↓N→Check the circuit of the Decurler Home Sensor. Refer to Transmissive Sensor Procedure for troubleshooting procedure. Perform the Decurler Cam Clutch test (PL 21.26). The Decurler Roll Shaft rotates. Y↓N→The Decurler Cam Clutch energized. Y↓N→Check the circuit of the Decurler Cam Clutch. Refer to OF 99-9 RAP for troubleshooting procedure. Check the Decurler Cam Clutch and its associated gears, pulleys and belts for damage, contamination and misalignment (PL 21.26). Check the following: • Ensure that the Decurler Cam Home Sensor connectors are securely connected and that the wires are not damaged • Ensure that the Decurler Cam Clutch connectors are securely connected and that the wires are not damaged • H-Transport Motor Drive belt for wear, damage, or loose • H-Transport Motor connections are securely connected and that the wires are not damaged If the above checks are OK, replace the Decurler Home Sensor (PL 21.26). If the problem continues, replace the H-Transport PWB (PL 21.12). If the problem persists, replace the Finisher PWB (PL 21.12).

• Code: 012-291
• Description: Stapler Fail The Stapler Home Sensor does not turn On within 2 seconds after the Stapler Motor started to turn backwards.
• Remedy: 1 1. Enter Service Diagnostics Menu: Printer Menu > Troubleshooting > Service Tools > Printer Status Page > hold the Up and Down buttons simultaneously > Run Service Diagnostics > OK. 2. Perform the Stapler Home Sensor test. 3. Does the value change from H to L when the Stapler is moved away from the Home position? To to step 6. Go to step 2. 2 1. Measure the voltage between the Finisher PWB connector P852-2 and Frame ground. 2. Does the voltage change between 0 and +5 VDC when the Sensor is blocked and unblocked Replace the Finisher PWB. Go to step 3. 3 1. Measure the voltage at the Finisher Board connector P852-1. 2. Does the voltage measure +5 VDC? The Home Sensor or the wiring is bad. Replace the Staple Assembly. Go to step 4. 4 1. Disconnect the Stapler Unit Assembly. 2. Measure the voltage between the Finisher PWB connector P852-1 and Frame ground. 3. Does the voltage measure +5 VDC? Replace the Stapler Assembly. Go to step 5. 5 Is +24 VDC present at P/J847-7 or J847-9? Replace the Finisher PWB. Troubleshoot and repair the +24 VDC Interlock circuit. 6 1. Enter Service Diagnostics Menu. Run the Stapler Close Motor test. 2. Does the Stapler Motor operate correctly? Replace the Finisher Control Board. Go to step 7. 7 With the Stapler Close Motor test running, is +24 VDC present at J847-7? Replace in the following order: 1. Stapler Assembly 2. Finisher PWB Troubleshoot and repair the +24 VDC Interlock circuit.

• Code: 012-295
• Description: Stapler Move Position Sensor On Fail The Staple Move Sensor did not turn On within 2 seconds after the system has started to move to the Staple position and the Staple Move Sensor has turned Off, or the Staple Move Sensor did not turn On after the move to the Staple position has completed.
• Remedy: 1 1. Manually move the Staple Head. 2. Does the Head move smoothly from front to rear? To to step 2. Diagnose and repair the mechanical defect. 2 1. Enter Service Diagnostics Menu: Printer Menu > Troubleshooting > Service Tools > Printer Status Page > hold the Up and Down buttons simultaneously > Run Service Diagnostics > OK. 2. Perform the Staple Move Sensor test. 3. Does the value change from L to H when the Sensor is blocked? Go to step 3. Refer to Transmissive Sensor Procedure () to diagnose and repair the Sensor. 3 1. Measure the voltage at the Finisher Board connector P852-1. 2. Does the voltage measure +5 VDC? The Home Sensor or the wiring is bad. Replace the Stapler Assembly. Go to step 4. 4 Is +24 VDC present at P847 pins 1, 2, 5, and 6? Replace the following order: 1. Stapler Move Motor 2. Finisher PWB Go to step 5. 5 Is +24 VDC present at P847-4? Replace the Finisher PWB. Troubleshoot the +24 VDC Interlock circuit using 24 VDC Low-Voltage Power Supplies troubleshooting procedure ().

• Code: 012-296
• Description: Stapler Move Position Sensor Off Fail The Staple Move Sensor does not turn Off within 5 seconds after the move to the Staple position has started. Or, the Staple Move Sensor turned Off after the Staple position has been fixed. Or, the Staple Move Sensor does not turn Off within 5 seconds after it has turned On when the paper passed through the 1st position of the dual staple, moving to the rear staple position.
• Remedy: 1 1. Manually move the Staple Head. 2. Does the Head move smoothly from front to rear? To to step 2. Diagnose and repair the mechanical defect. 2 1. Enter Service Diagnostics Menu: Printer Menu > Troubleshooting > Service Tools > Printer Status Page > hold the Up and Down buttons simultaneously > Run Service Diagnostics > OK. 2. Perform the Staple Move Sensor test. 3. Does the value change from L to H when the Sensor is blocked? Go to step 3. Refer to Transmissive Sensor Procedure () to diagnose and repair the Sensor. 3 1. Measure the voltage at the Finisher Board connector P852-1. 2. Does the voltage measure +5 VDC? The Home Sensor or the wiring is bad. Replace the Stapler Assembly. Go to step 4. 4 Is +24 VDC present at P847 pins 1, 2, 5, and 6? Replace the following order: 1. Stapler Move Motor 2. Finisher PWB Go to step 5. 5 Is +24 VDC present at P847-4? Replace the Finisher PWB. Troubleshoot the +24 VDC Interlock circuit using 24 VDC Low-Voltage Power Supplies troubleshooting procedure ().

• Code: 012-300
• Description: Eject Cover Open Eject Cover Switch open was detected.
• Remedy: • Ensure that the Eject Cover is down. • Check the Eject Cover Switch for improper installation. • Check the Eject Cover Switch connectors for connection failure. • Check the Actuator part for deformation.
  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 Eject Cover Switch (PL 21.7). The display changes. Y↓N→Check continuity of the Eject Cover Switch. The continuity check is OK. Y↓N→Replace the Eject Cover Switch (PL 21.7). Check continuity between the Eject Cover Switch and the Finisher PWB. If the check is OK, replace the Finisher PWB (PL 21.12). If the problem continues, replace the Finisher PWB (PL 21.12).