• Code: 03-940, 03-950, 03-960
• Description: MCB Watchdog Detects Software RAP 03-970 The main PWB software has stopped responding.
• Remedy: 1. Switch off the machine, then switch on the machine. 2. Reload the software, GP 6. 3. If necessary install a new main PWB, PL 1.10 Item 1.

• Code: 04-100
• Description: Tray 1 Elevating Error RAP 04-100 The tray 1 stack height sensor did not actuate within 13 seconds of the tray 1 elevating motor start.
• Remedy: 1. Make sure tray 1 is fully home. 2. Pull out tray 1. Check for obstructions behind the tray. 3. Check the tray elevator mechanism on the back of tray 1. 4. Check that the tray 1 stack height sensor actuator on the feed head, PL 8.10 Item 5 is not missing or damaged. If necessary, install a new tray 1 feed assembly, PL 8.10 Item 1. 5. Enter dC330 code 07-150. Check the tray 1 stack height sensor (Q07-150), PL 8.10 Item 2. 6. Check the wiring between the tray 1 stack height sensor and CN19 on the Main PWB. If necessary, install a new tray 1 stack height sensor, PL 8.10 Item 2. 7. Check the tray 1 up limit switch, PL 8.10 Item 17. NOTE: There is not a component control code to check the up limit switch. 8. Enter dC330 code 04-510. Check the tray 1 elevating motor (MOT04-510), PL 7.15 Item 8. 9. Check the wiring between the tray 1 up limit switch and the tray 1 elevating motor, PL 7.15 Item 8 and CN19 on the Main PWB. 10. If necessary, install new components: • Tray 1 elevating motor, PL 7.15 Item 8. • Main PWB, PL 1.10 Item 1. • Tray 1 cassette assembly, PL 7.10 Item 1.

• Code: 04-200, 04-300, 04-400
• Description: Tray 2, 3 or 4 Elevating Error RAP 04-200 The tray 2 stack height sensor did not actuate within 13 seconds of the tray 2 elevating motor start. 04-300 The tray 3 stack height sensor did not actuate within 13 seconds of the tray 3 elevating motor start. 04-400 The tray 4 stack height sensor did not actuate within 13 seconds of the tray 4 elevating motor start.
• Remedy: 1. Make sure that the tray is fully home. 2. Pull out the tray. Check for obstructions behind the tray. 3. Check the tray elevator mechanism on the back of the tray. 4. Check that the stack height sensor actuator on the feed head, PL 8.10 Item 5 is not missing or damaged. If necessary, install a new tray feed assembly, PL 8.10 Item 1. 5. Enter dC330. Check the relevant tray stack height sensor, PL 8.10 Item 2: • Tray 2. Code 07-250. • Tray 3. Code 07-350. • Tray 4. Code 07-450. 6. Check the wiring between the tray stack height sensor and CN7 on the Tray PWB. If necessary, install a new stack height sensor, PL 8.10 Item 2. 7. Check the tray up limit switch, PL 8.10 Item 17. NOTE: There are no component control codes to check the tray up limit switch. 8. Enter dC330. Check the relevant tray elevating motor, PL 7.20 Item 7. • Tray 2. Code 04-520. • Tray 3. Code 04-530. • Tray 4. Code 04-540. 9. Check the wiring between the tray up limit switch and the tray elevating motor, PL 7.20 Item 7 and CN7 on the Tray PWB. If necessary, install a new tray up limit switch, PL 8.10 Item 17. 10. Check the wiring between CN1 on the Tray PWB and CN24 on the Main PWB. 11. If necessary, install new components: • Tray elevating motor, PL 7.20 Item 7. • Main PWB, PL 1.10 Item 1. • Tray cassette, PL 7.10 Item 1.

• Code: 04-500
• Description: Main Motor Locked RAP 04-500 The machine has detected that the main BLDC motor is not being controlled.
• Remedy: 1. Switch off the machine, then switch on the machine. 2. Remove the toner module, PL 9.10 Item 2, then the xerographic module, PL 9.10 Item 1. Enter dC330 code 04-100. Check that the main BLDC motor (MOT04-100), PL 4.20 Item 2 runs. 3. Check the wiring between the main BLDC motor and CN9 on the Main PWB. 4. If necessary, install new components: • Main BLDC motor, PL 4.20 Item 2. • Main PWB, PL 1.10 Item 1.

• Code: 04-800
• Description: Duplex Fan 1 Locked RAP 04-800 The machine has detected a fault with duplex fan 1.
• Remedy: 1. Switch off the machine, then switch on the machine. 2. Enter dC330 code 04-400 and 04-410. Check that the duplex fan 1, PL 7.35 Item 16 runs at normal speed. 3. Check the wiring between the duplex fan 1 and CN25 on the Main PWB. 4. Install new components as necessary: • Duplex fan 1, PL 7.35 Item 16. • Right cover assembly, PL 7.30 Item 1. • Main PWB, PL 1.10 Item 1.

• Code: 04-910
• Description: SMPS Fan Locked RAP 04-910 The machine has detected a fault with the SMPS fan.
• Remedy: 1. Switch off the machine, then switch on the machine. 2. Enter dC330 code 09-500 and 09-510. Check that the SMPS fan, PL 4.15 Item 18 runs at normal speed. 3. Check the wiring between the SMPS fan and CON2 on Power Supply Unit 2. 4. Install new components as necessary: • SMPS fan, PL 4.15 Item 18. • Power supply unit 2, PL 1.10 Item 4.

• Code: 05-100
• Description: DADF Jam 1 RAP 05-100 The lead edge or trail edge of the document failed to actuate or deactuate the scan sensor within the correct time.
• Remedy: 1. Open the DADF top cover assembly, PL 5.15 Item 11. Remove all jammed paper. 2. Check the document path for damage or obstructions. 3. Check that the following components are clean and rotate freely. • Registration roll, PL 5.15 Item 21. • Registration roll idlers, PL 5.15 Item 28. 4. Remove the DADF left guide, PL 5.20 Item 9. 5. Check that the scan sensor actuator, PL 5.25 Item 28 moves freely and is not damaged. 6. Enter dC330 code 05-140. Check the scan sensor (Q05-140). NOTE: The scan sensor is mounted on the DADF PWB, PL 5.20 Item 6. 7. Remove the DADF rear cover, PL 5.10 Item 4. Enter dC330 code 05-200. Check that the DADF scan motor, PL 5.25 Item 12 runs and drives the scan roll, PL 5.25 Item 23. 8. Close the DADF top cover assembly. While the DADF scan motor runs, stack the code 05-310 to energize the registration clutch (CL05-310). Check that the registration roll, PL 5.15 Item 21 rotates. 9. Check the wiring between the DADF scan motor and CN4 on the DADF PWB. 10. Check the wiring between the registration clutch, PL 5.25 Item 19 and CN6 on the DADF PWB. If necessary, install a new registration clutch, PL 5.25 Item 19. 11. If necessary, install new components: • DADF PWB, PL 5.20 Item 6. • DADF scan motor, PL 5.25 Item 12. • DADF scan motor assembly, PL 5.25 Item 10. • Document transport assembly, PL 5.10 Item 2.

• Code: 05-200
• Description: DADF Jam 2 RAP 05-200 The lead edge or trail edge of the document failed to actuate or deactuate the gate sensor within the correct time.
• Remedy: 1. Open the DADF top cover assembly, PL 5.15 Item 11. Remove all jammed paper. 2. Raise the DADF input tray, PL 5.10 Item 5. Remove all jammed paper. 3. Check that the exit assembly, PL 5.20 Item 26 is closed. 4. Check the document path for damage or obstructions. 5. Check that the following components are clean and rotate freely. • Gate roll, PL 5.25 Item 15. • Gate roll idlers, PL 5.10 Item 18. • Exit roll, PL 5.20 Item 2. • Exit roll idlers, PL 5.20 Item 20. 6. Check that the gate sensor actuator, PL 5.10 Item 26 moves freely and is not damaged. 7. Enter dC330 code 05-150. Check the gate sensor (Q05-150), PL 5.10 Item 24. if necessary, install a new gate sensor, PL 5.10 Item 24. 8. Remove the DADF rear cover, PL 5.10 Item 4. Enter dC330 code 05-200. Check that the DADF scan motor runs, PL 5.25 Item 12 and drives the gate roll, PL 5.25 Item 15. 9. Enter code 05-210. Check that the DADF duplex motor, PL 5.25 Item 5 runs and drives the exit roll, PL 5.20 Item 2. 10. Check the wiring between the DADF scan motor and CN4 on the DADF PWB. 11. Check the wiring between the duplex motor and CN5 on the DADF PWB. 12. If necessary, install new components: • DADF PWB, PL 5.20 Item 6. • DADF scan motor, PL 5.25 Item 12. • DADF scan motor assembly, PL 5.25 Item 10. • Duplex motor assembly, PL 5.25 Item 4. • Document transport assembly, PL 5.10 Item 2.