• Code: 05-330, 05-331
• Description: DADH Feed Sensor Failure Entry RAP 05-330 The DADH feed sensor does not detect the lead edge of the document within the correct time after the feed motor runs. 05-331 The DADH feed sensor does not detect the trail edge of the document within the correct time.
• Remedy: Identify the speed of the machine, refer to SCP 7 Machine Features. Perform one of the steps that follow: • If the speed of the machine is 32-38 ppm, go to the 05-330A, 05-331A DADH Feed Sensor Failure RAP (32-38 ppm). • If the speed of the machine is 45-87 ppm, go to the 05-330B, 05-331B DADH Feed Sensor Failure RAP (45-87 ppm).

• Code: 05-330A, 05-331A
• Description: DADH Feed Sensor Failure RAP (32-38 ppm)
• Remedy: • Make sure that the correct RAP is used. To identify the correct RAP to use, go to the 05- 330, 05-331 DADH Feed Sensor Failure Entry RAP. • Remove all documents from the DADH. • Make sure that the customer is not using damaged documents. If the DADH damages the documents, go to the 05F Damaged Documents RAP. •. Check that the feed roll assembly is installed correctly, . •. Make sure that the feed rolls are clean and rotate freely, refer to ADJ 5.4. If necessary, install a new feed roll assembly, PL 5.15 Item 1 or feed roll assembly cover, PL 5.15 Item 21. •. Check the operation of the feed yoke. Make sure that the feed yoke shaft is under the clip. Make sure that the feed yoke spring is connected to the feed assembly and to the feed yoke. • While the DADH feed solenoid is not energized, make sure that the feed gates are locked in the down position. Manually activate the DADH feed solenoid then make sure that the feed gates move freely. Manually de-activate the DADH feed solenoid, PL 5.15 Item 5. NOTE: The feed solenoid remains activated (after being energized) until the last document has been fed. Then a reverse pulse de-actuates the armature to lift the nudger roll. • Check the location of the feed solenoid spring. Make sure the spring is correctly located on the solenoid armature. • Clean the DADH feed sensor and the area around the sensor, PL 5.15 Item 2.
  Open the DADH top cover. Remove the DADH rear cover, PL 5.10 Item 1. Hold the top cover interlock switch closed. Enter dC330 code 05-330 to check the DADH feed sensor, Q05-330. Activate Q05-330. The display changes. Y↓N→Go to Flag 1. Check Q05-330. References: • GP 11 How to Check a Sensor. • P/J184 DADH PWB. • 01D +3.3V Distribution RAP. • The 3.3V return in the 01B 0V Distribution RAP. Install new components as necessary: • DADH feed sensor, PL 5.15 Item 2. • DADH PWB, PL 5.10 Item 5. Enter dC330 code 05-020 to run the DADH feed motor, MOT05-020. MOT05-020 runs. Y↓N→Go to the 05D DADH Motor Failure RAP. While MOT 05-020 runs, stack the code 05-025 to energize the DADH feed clutch, CL05-025. NOTE: The feed clutch disengages after 30 seconds. The feed motor stops after 3 minutes. CL05-025 energizes, the nudger rolls and the feed rolls rotate. Y↓N→Perform the steps that follow: • Go to the 05E DADH Feed Clutch Failure RAP and check CL05-025. • ADJ 5.1, DADH Drive Belt Adjustment. Enter dC330 code 05-010 to energize the DADH feed solenoid, SOL05-010. The feed roll assembly lowers, then raises after 10 seconds. Y↓N→Go to Flag 2. Check SOL05-010. References: • GP 12 How to Check a Solenoid or Clutch. • P/J183, DADH PWB and P/J201. • 01G +24V Distribution RAP. • The 24V return in the 01B 0V Distribution RAP. Install new components as necessary: • DADH feed solenoid, PL 5.15 Item 5. • DADH feed assembly, PL 5.15 Item 18. • DADH PWB, PL 5.10 Item 5. Perform the steps that follow: • Check that the DADH feed sensor, Q05-330 is installed correctly. If necessary, install a new feed roll assembly, PL 5.15 Item 1. • Ensure the feed motor drive belt and CVT motor drive belt are tensioned correctly, ADJ 5.1. • When large documents are fed (A3 or 11x17 inch), check the following: – The CVT motor rotates freely, refer to 05D DADH Motor Failure RAP – The CVT drive belt, refer to ADJ 5.1 DADH Drive Belt Adjustment. – That the CVT roll is clean and rotates freely, refer to ADJ 5.4. NOTE: If necessary install a new CVT motor, PL 5.25 Item 9. • Go to the 05E DADH Feed Clutch Failure RAP and check CL05-025. • Make sure that the size of the documents are sensed correctly. Refer to the 05C Document Size Sensor Failure RAP.

• Code: 05-330B, 05-331B
• Description: DADH Feed Sensor Failure RAP (45-87 ppm)
• Remedy: Open the DADH top cover. Remove the DADH rear cover, PL 5.10 Item 1. Hold the top cover interlock switch closed. Enter dC330 code 05-330 to check the DADH feed sensor, Q05-330. Activate Q05-330. The display changes. Y↓N→Go to Flag 1. Check Q05-330. References: • GP 11 How to Check a Sensor. • P/J184 DADH PWB. • 01E +5V Distribution RAP. • The 5V return in the 01B 0V Distribution RAP. Install new components as necessary: • DADH feed sensor, PL 5.15 Item 2. • DADH PWB, PL 5.10 Item 5. Enter dC330 code 05-020 to run the DADH feed motor, MOT05-020. MOT05-020 runs. Y↓N→Go to the 05D DADH Motor Failure RAP. While MOT 05-020 runs, stack the code 05-025 to energize the DADH feed clutch, CL05-025. NOTE: The feed clutch disengages after 30 seconds. The feed motor stops after 3 minutes. CL05-025 energizes, the nudger rolls and the feed rolls rotate. Y↓N→Perform the steps that follow: • Go to the 05E DADH Feed Clutch Failure RAP and check CL05-025. • ADJ 5.1, DADH Drive Belt Adjustment. Enter dC330 code 05-010 to energize the DADH feed solenoid, SOL05-010. The feed roll assembly lowers, then raises after 10 seconds. Y↓N→Go to Flag 2. Check SOL05-010. References: • GP 12 How to Check a Solenoid or Clutch. • P/J183, DADH PWB and P/J201. • 01G +24V Distribution RAP. • The 24V return in the 01B 0V Distribution RAP. Install new components as necessary: • DADH feed solenoid, PL 5.15 Item 5. • DADH feed assembly, PL 5.15 Item 18. • DADH PWB, PL 5.10 Item 5. Perform the steps that follow: • Check that the DADH feed sensor, Q05-330 is installed correctly. If necessary, install a new feed roll assembly, PL 5.15 Item 1. • Ensure the feed motor drive belt and CVT motor drive belt are tensioned correctly, ADJ 5.1. • When large documents are fed (A3 or 11x17 inch), check the items that follow: – Check that the CVT motor rotates freely, refer to 05D DADH Motor Failure RAP – Check the CVT drive belt, refer to ADJ 5.1 DADH Drive Belt Adjustment. – Check that the CVT roll is clean and rotates freely, refer to ADJ 5.4. NOTE: If necessary install a new CVT motor, PL 5.25 Item 9. • Go to the 05E DADH Feed Clutch Failure RAP and check CL05-025. • Make sure that the size of the documents are sensed correctly. Refer to the 05C Document Size Sensor Failure RAP.

• Code: 05-335
• Description: DADH Takeaway Sensor Failure RAP 05-335 The DADH takeaway sensor does not detect the lead edge of the document within the correct time.
• Remedy: NOTE: To get access to the DADH takeaway sensor, remove the DADH top cover, PL 5.20 Item 15. Open the DADH top cover. Enter dC330 code 05-335 to check the DADH takeaway sensor, Q05-335. Activate Q05-335. The display changes. Y↓N→Go to Flag 1. Check Q05-335. References: • GP 11 How to Check a Sensor. • P/J186, DADH PWB and P/J191. • 01D +3.3V Distribution RAP. • 01B 0V Distribution RAP. Refer to the 3.3V return. Install new components as necessary: • DADH takeaway sensor, PL 5.20 Item 11. • DADH PWB, PL 5.10 Item 5. Remove the DADH rear cover, PL 5.10 Item 1. Hold the top cover interlock switch closed. Enter dC330 code 05-020 to run the DADH feed motor, MOT05-020. MOT05-020 runs. Y↓N→Go to the 05D DADH Motor Failure RAP. The takeaway roll rotates. Y↓N→Perform the steps follow: • Check the feed motor drive belt, PL 5.35 Item 5. • ADJ 5.1, Feed Motor Drive Belt Adjustment. • Check the takeaway roll and pulley, PL 5.35 Item 6 and PL 5.35 Item 15, refer to GP 7. Perform the steps that follow: • Check that the DADH feed sensor, Q05-335 is installed correctly. • Go to the 05E DADH Feed Clutch Failure RAP and check the DADH feed clutch. • Make sure that the takeaway roll is clean and rotates freely, refer to ADJ 5.4. • Make sure that the takeaway roll idlers are clean and rotate freely, refer to ADJ 5.4. • Check the takeaway roll static eliminator and ground harness, PL 5.35 Item 7. • Make sure that the DADH ground harness is connected correctly, PL 5.10 Item 11. • ADJ 5.1 Feed Motor Drive Belt Adjustment. NOTE: Perform the DADH Width Guide Adjustment, ADJ 5.3 if the items that follow are installed: • A new DADH input tray assembly. • A DADH input tray component. Install new components as necessary: • DADH takeaway roll, PL 5.35 Item 6. • DADH input tray assembly, PL 5.35 Item 1. • DADH top access cover assembly, PL 5.20 Item 17. • DADH feed assembly, PL 5.15 Item 18. If the fault continues, make sure that documents correctly continue past the previous sensor in the document path. Refer to the 05-330, 05-331 DADH Feed Sensor Failure Entry RAP.

• Code: 05-340
• Description: DADH Registration Sensor Failure RAP 05-340 The DADH registration sensor does not detect the lead edge of the document within the correct time.
• Remedy: NOTE: To access the DADH registration sensor, remove the DADH top cover, PL 5.20 Item 15. Open the top access cover assembly. Enter dC330 code 05-340 to check the DADH registration sensor, Q05-340. Activate Q05-340. The display changes. Y↓N→Go to Flag 1. Check Q05-340. References: • GP 11 How to Check a Sensor. • P/J186, DADH PWB. • 01D +3.3V Distribution RAP. • 01B 0V Distribution RAP, refer to the 3.3V return. Install new components as necessary: • DADH registration sensor, PL 5.25 Item 1. • DADH PWB, PL 5.10 Item 5. Remove the DADH rear cover, PL 5.10 Item 1. Hold the top cover interlock switch closed. Enter dC330 code 05-030 to check the DADH CVT motor, MOT05-030. MOT05-030 runs. Y↓N→Go to the 05D DADH Motor Failure RAP. The CVT roll rotates. Y↓N→Perform the steps that follow: • Check the CVT motor drive belt, PL 5.25 Item 11. • Check the CVT motor tension spring. Make sure that the CVT motor drive belt tension is correct, ADJ 5.1. • Check the CVT roll pulley, refer to GP 7. If necessary, install a new DADH CVT roll, PL 5.25 Item 5. The fault only occurs in duplex mode. Y↓N→Go to Final Actions. This fault can be caused by the DADH feed motor running too slowly in reverse. Refer to the 05D DADH Motor Failure RAP. If the fault continues, go to Final Actions. Final Actions Perform the steps that follow: • Check that Q05-340 is installed correctly. • Make sure that the CVT idler rolls are clean and rotate freely, refer to ADJ 5.4. • Make sure that the CVT roll is clean, refer to ADJ 5.4. • Make sure the feed motor drive belt and the CVT motor drive belt are tensioned correctly, ADJ 5.1. Install new components as necessary: • DADH CVT roll, PL 5.25 Item 5. • DADH top access cover assembly, PL 5.20 Item 17. If the fault continues, make sure that documents correctly exit the previous sensor in the document path. Refer to the 05-350, 05-352 DADH CVT Sensor Failure RAP.

• Code: 05-345, 05-346
• Description: DADH Exit Sensor Failure RAP 05-345 The DADH exit sensor does not detect the lead edge of the document within the correct time in the forward mode. 05-346 The DADH exit sensor does not detect the trail edge of the document within the correct time in the forward mode.
• Remedy: NOTE: On 32-38 ppm machines, the DADH exit sensor is actuated by a flag. On 45-87 ppm machines, the DADH exit sensor is a reflective type sensor. Enter dC330 code 05-345 to check the DADH exit sensor, Q05-345. Raise the DADH. Activate Q05-345. The display changes. Y↓N→Go to Flag 1. Check Q05-345. References: • GP 11 How to Check a Sensor. • P/J189, DADH PWB. • (32-38 ppm) 01D +3.3 Distribution RAP. • (32-38 ppm) 01B 0V Distribution RAP, refer to the 3.3V return. • (45-87 ppm) 01E +5V Distribution RAP. • (32-38 ppm) 01B 0V Distribution RAP, refer to the 5V return. Install new components as necessary: • DADH exit sensor, PL 5.30 Item 2. • DADH PWB, PL 5.10 Item 5. Close the DADH. Open the DADH top cover. Remove the DADH rear cover, PL 5.10 Item 1. Hold the top cover interlock switch closed. Enter dC330 code 05-030 to run the DADH CVT motor, MOT05-030. MOT05-030 runs. Y↓N→Go to the 05D DADH Motor Failure RAP. The CVT roll rotates. Y↓N→Perform the steps that follow: • Check the CVT motor drive belt, PL 5.25 Item 11. • Check the CVT motor tension spring. Check the CVT motor drive belt tension, ADJ 5.1. • Check the CVT roll pulley, refer to GP 7. If necessary, install a new DADH CVT roll, PL 5.25 Item 5. NOTE: The exit roll idlers remain lowered for 30 seconds. Enter dC330 code 05-050 to energize the DADH duplex solenoid, SOL05-050, to lower the exit roll idlers. The exit roll idlers lower. Y↓N→Perform the steps that follow: • Go to Flag 2. Check SOL050-050. References: – GP 12 How to Check a Solenoid or Clutch. – P/J181, DADH PWB and P/J205. – 01D +3.3V Distribution RAP. – 01B 0V Distribution RAP, refer to the 3.3V return. • Check the baffle assembly link arm, PL 5.30 Item 13. Make sure that the link arm is connected correctly to the DADH duplex solenoid, . Install new components as necessary: • DADH duplex solenoid, PL 5.30 Item 4. • DADH PWB, PL 5.10 Item 5. • Baffle assembly, PL 5.30 Item 5. Enter dC330 code 05-020 to run the DADH feed motor, MOT05-020. MOT05-020 runs. Y↓N→Go to the 05D DADH Motor Failure RAP. The exit roll rotates. Y↓N→Perform the steps that follow: • Check the feed motor drive belt, PL 5.35 Item 5. • Check the feed motor tension spring. Check the feed motor drive belt tension, ADJ 5.1. • Check the exit roll and pulley, PL 5.35 Item 6 and PL 5.35 Item 15, refer to GP 7. NOTE: If a new DADH input tray assembly is installed, perform the DADH Width Guide Adjustment, ADJ 5.3. If necessary, install a new DADH input tray assembly, PL 5.35 Item 1. The fault only occurs in duplex mode. Y↓N→Go to Final Actions. NOTE: During normal operation, the exit roll idlers remain raised (closed) in simplex mode. In duplex mode, the exit roll idlers remain raised unless the document is longer than 280mm (11 inches). The exit roll idlers raise and lower while feeding longer documents in duplex mode. Exit the diagnostics mode. Close the DADH top cover. Make two copies in duplex mode. Check that the second document is held in the feed rolls until the first document is fed into the output tray. The feed rolls held the second document. Y↓N→Go to the 05E DADH Feed Clutch Failure RAP. Go to Final Actions. Final Actions Perform the steps that follow: • For 05-345 and 05-346 faults: – Check that the pre-scan idlers are clean and rotate freely, refer to ADJ 5.4. – Check that the post-scan idlers are clean and rotate freely, refer to ADJ 5.4. – Check the CVT ramp assembly for damage and rough edges, (32-55 ppm) PL 14.20 Item 13 or (65-87 ppm) PL 14.10 Item 13. – Check the duplex gate for damage and rough edges, PL 5.25 Item 12. – Check that Q05-345 is installed correctly. – Make sure that the DADH ground harness is connected correctly, PL 5.10 Item 11. – Make sure the feed motor drive belt and CVT motor drive belt are tensioned correctly, ADJ 5.1. Install new components as necessary: – Top access cover assembly, PL 5.20 Item 17. – Baffle assembly, PL 5.30 Item 5. • For 05-346 faults: – Make sure that the exit rolls are clean and rotate freely, refer to ADJ 5.4. – Make sure that the exit roll idlers are clean and rotate freely, refer to ADJ 5.4. – Make sure the tension springs on the exit roll shaft are in the correct position, – Check the exit roll static eliminator and ground harness, PL 5.35 Item 7. – Check the restack arm for damage or rough edges, PL 5.35 Item 3. NOTE: Perform the DADH Width Guide Adjustment, ADJ 5.3 if the following items are installed: – A new DADH input tray assembly. – A DADH input tray component. Install new components as necessary: – DADH exit roll, PL 5.35 Item 6. – DADH input tray assembly, PL 5.35 Item 1. If the fault continues, make sure that documents correctly exit the previous sensor in the document path. Refer to the 05-340 DADH Registration Sensor Failure RAP.

• Code: 05-350, 05-352
• Description: DADH CVT Sensor Failure RAP 05-350 The DADH CVT sensor does not detect the lead edge of the document within the correct time in the forward mode. 05-352 The DADH CVT sensor does not detect the lead edge of the document within the correct time in the reverse mode.
• Remedy: NOTE: To get access to the DADH CVT sensor, remove the DADH top cover, PL 5.20 Item 15. Enter dC330 code 05-350 to check the DADH CVT sensor, Q05-350. Activate Q05- 350. The display changes. Y↓N→Go to Flag 1. Check Q05-350. References: • GP 11 How to Check a Sensor. • P/J186 and P/J191, DADH PWB. • 01D +3.3V Distribution RAP. • 01B 0V Distribution RAP, refer to the 3.3V return. Install new components as necessary: • DADH CVT sensor, PL 5.20 Item 12. • DADH PWB, PL 5.10 Item 5. Remove the DADH rear cover, PL 5.10 Item 1. Hold the top cover interlock switch closed. Enter dC330 code 05-030 to check the DADH CVT motor, MOT05-030. MOT05-030 runs. Y↓N→Go to the 05D DADH Motor Failure RAP. The CVT roll rotates. Y↓N→Perform the steps that follow : • Check the CVT motor drive belt, PL 5.25 Item 11. • Check the CVT motor tension spring. Make sure that the CVT motor drive belt tension is correct, ADJ 5.1. • Check the CVT roll pulley, refer to GP 7. If necessary, install a new DADH CVT roll, PL 5.25 Item 5. The fault only occurs in duplex mode (fault code 05-352). Y↓N→Go to Final Actions. NOTE: The exit roll idlers remain lowered for 30 seconds. Enter dC330 code 05-050 to check the DADH duplex solenoid, SOL05-050, to lower the exit roll idlers. The exit roll idlers lower. Y↓N→Go to Flag 2. Check SOL050-050. References: • GP 12 How to Check a Solenoid or Clutch. • P/J181, DADH PWB. • 01D +3.3V Distribution RAP. • 01B 0V Distribution RAP, refer to the 3.3V return. Install new components as necessary: • DADH duplex solenoid, PL 5.30 Item 4. • DADH PWB, PL 5.10 Item 5. • Baffle assembly, PL 5.30 Item 5. NOTE: During normal operation, the exit roll idlers remain raised (closed) in simplex mode. In duplex mode, the exit roll idlers remain raised unless the document is longer than 280mm (11 inches). The exit roll idlers raise and lower while feeding longer documents in duplex mode. Exit the diagnostics mode. Close the DADH top cover. Make two copies in duplex mode. Check that the second document is held in the feed rolls until the first document is fed into the output tray. The feed rolls held the second document. Y↓N→Go to the 05E DADH Feed Clutch Failure RAP. The fault is caused if the DADH feed motor runs too slowly in reverse, refer to the 05D DADH Motor Failure RAP. If the fault continues, go to Final Actions. Final Actions Perform the steps that follow . Install new components as necessary: • Check that the CVT roll is clean and rotates freely, refer to ADJ 5.4. • Check that the CVT sensor, Q05-350 is installed correctly, PL 5.20 Item 12. • Check the takeaway roll static eliminator and ground harness, PL 5.35 Item 7. • Make sure that the DADH ground harness is connected correctly, PL 5.10 Item 11. • Make sure the feed motor drive belt tension is correct, ADJ 5.1. • DADH feed assembly, PL 5.15 Item 18. If the fault continues, make sure that documents correctly exit the previous sensor in the document path. Refer to the 05-335 DADH Takeaway Sensor Failure RAP.

• Code: 06-020
• Description: ROS Motor Failure RAP 06-020. This fault code has two failure modes. 1. The ROS motor ready signal was not received by the IOT PWB within the set time of the ROS being powered on. 2. The IOT PWB recognizes a change of state of the ROS motor ready signal during operation.
• Remedy: Switch off the machine, then switch on the machine, GP 14. The 06-020 fault still exists. Y↓N→Perform SCP 6 Final Actions. Enter the dC330 output code 06-020 and listen for the ROS motor. The ROS motor gives a distinctive ascending frequency sound, of a short duration (5 to 6 seconds) during transition from standby to run. Y↓N→The xerographic module is fully home and the front door is fully closed or the front door interlock is cheated. Y↓N→Correct the condition. If necessary go to the 01-300 Front Door Open RAP. Go to Flag 1. Check the following voltages at P/J18 on the LVPS: • +24V between pins 1 and 2. • +3.3V between pins 3 and 4. The voltages are good. Y↓N→Go to the relevant RAP: • 01B 0V Distribution RAP, refer to the 3.3V return and 24V return. • 01D +3.3V Distribution RAP. • 01G +24V Distribution RAP. Enter the dC330 output code 06-020 to run the ROS motor. Go to Flag 2. 0V is available at P/J2 pin 1 on the IOT PWB. Y↓N→Disconnect P/J2. Go to Flag 3. 0V is available at P/J2 pin 6 on the IOT PWB. Y↓N→Perform OF7 IOT PWB Diagnostics RAP before a new IOT PWB is installed, PL 1.10 Item 2. NOTE: The ROS must be removed from the machine, to disconnect P/ J120 and P/J121. The ROS PWB where P/J120 and P/J121 are connected may not be marked with the correct PJ numbers. P/J120 can be identified as a four way power harness. P/J121 can be identified as a seven way signal harness. Go to Flag 1, Flag 2 and Flag 3. Disconnect P/J120 and P/J121 and check the wiring. The wiring is good. Y↓N→Repair the wiring. Install a new ROS, PL 6.10 Item 4. Perform OF7 IOT PWB Diagnostics RAP before a new IOT PWB is installed, PL 1.10 Item 2. Go to Flag 2. 0V is available at P/J2 pin 1. Y↓N→NOTE: The ROS must be removed from the machine, to disconnect P/J120 and P/J121. The ROS PWB where P/J120 and P/J121 are connected may not be marked with the correct PJ numbers. P/J120 can be identified as a four way power harness. P/J121 can be identified as a seven way signal harness. Check the continuity of the seven way signal harness between P/J2 and P/J121. The harness is good. Y↓N→Install a new ROS power distribution/communication harness, PL 6.10 Item 5. Install a new ROS, PL 6.10 Item 4. If the fault condition persists, perform the following: • Check the condition of the associated wiring and connectors. Repair the wiring or install new components as necessary. • Perform OF7 IOT PWB Diagnostics RAP before a new IOT PWB is installed, PL 1.10 Item 2. • Install a new ROS, PL 6.10 Item 4.