Xerox Phaser 5500

• Code: H2-8
• Description: Incorrect Duplex Unit Installed - H2-8 Duplex Type Error Incorrect Duplex Unit installed.
• Causes: • Duplex Unit PWB • Engine Control Board
• Remedy: 1 Check Duplex Unit installation. Reinstall the Duplex Unit. Does the error still occur? Go to Step 2. Problem solved. 2 Check for +24 V to the Duplex PWB. Is there +24 V across P/J540-2 (+) <=> ground? Replace the Duplex PWB. Replace the Engine Control Board.

• Code: H3-1, H3-2
• Description: Exit Unit Failure - H3-n Offset Error Failure to establish Offset Home Position on Exit1 (H3-1) or Exit 2 (H3-2).
• Causes: • OCT Position Sensor • Offset Motor • Exit PWB • LVPS • Engine Control Board
• Remedy: 1 Test the affected OCT Position Sensor. Run the Service Diagnostics Exit 1 or 2 Offset Home Position Sensor test. Does the sensor state change? Go to Step 10. Go to Step 2. 2 Check the sensor connection. Is P/J117 (Exit 1) or P/J111 (Exit 2) connected? Go to Step 3. Connect the sensor. 3 Check continuity between the affected OCT Position Sensor and the Exit PWB P/J111 <=> P/J434 and SJ1 (Exit2) P/J117 <=> P/ J423 (Exit 1). Go to Step 4. Repair the wiring. 4 Check for +5 V to the OCT Position Sensor. Is there +5 V across P/J434-1 (Exit 2) or P/ J432-1 (Exit 1) (+) <=> ground? Replace the affected OCT Position Sensor. Go to Step 5. 5 Check the connection between the Exit PWB and the Engine Control Board. Are P/J431 and P/J421 connected? Go to Step 6. Connect P/J431 and P/J421. If problem persists, go to Step 6. 6 Check continuity between the Exit PWB and the Engine Control Board. 1. Disconnect P/J431 and P/J421. 2. Check for continuity at the following: • P/J431-1 <=> P/J421-8 • P/J431-2 <=> P/J421-7 • P/J431-3 <=> P/J421-6 • P/J431-4 <=> P/J421-5 • P/J431-5 <=> P/J421-4 • P/J431-6 <=> P/J421-3 • P/J431-7 <=> P/J421-2 • P/J431-8 <=> P/J421-1 Are these conductive? Go to Step 7. Repair the wiring. 7 Check the connection between the Exit PWB and the LVPS. Are P/J430 and P/J526 connected? Go to Step 8. Connect P/J430 and P/J526. If problem persists, go to Step 8. 8 Check continuity between the Exit PWB and the LVPS. 1. Disconnect P/J430 and P/J526. 2. Check for continuity at the following: • P/J430-3 <=> P/J526-6 • P/J430-4 <=> P/J526-5 • P/J430-1 <=> P/J526-8 • P/J430-2 <=> P/J526-7 Are these conductive? Go to Step 9. Repair the wiring. 9 Check for +24 V to the Exit PWB. Is there +24 V across P/J430-1 (+) <=> ground? Replace the Exit PWB. Replace the LVPS. 10 Test the Offset Motor. Run the Service Diagnostics Offset Output Motor tests for the appropriate Exit. Does the Offset Motor operate properly? Replace the Exit PWB. If problem persists, replace the Engine Control Board. Go to Step 11. 11 Check the affected Offset Motor connection. Exit 1 P/J432 <=> J206 or Exit 2 P/J433 <=> J207. Is the motor connected? Go to Step 12. Connect the motor. If problem persists go to Step 12. 12 Check continuity between the affected Offset Motor and Exit PWB. For Exit 1: 1. Disconnect P/J432 and J206. 2. Check for continuity at the following: • P/J432-7 <=> J206-1 • P/J432-8 <=> J206-2 • P/J432-9 <=> J206-3 • P/J432-10 <=> J206-4 • P/J432-11 <=> J206-5 For Exit 2: 1. Disconnect P/J433 and J207. 2. Check for continuity at the following: • P/J433-1 <=> J207-1 • P/J433-2 <=> J207-2 • P/J433-3 <=> J207-3 • P/J433-4 <=> J207-4 • P/J433-5 <=> J207-5 Is there continuity on each wire? Go to Step 13. Repair the wiring. 13 Check for +24 V to the affected Offset Motor. Is there +24 V across (Exit 2) P/J433-1 or (Exit 1) P/J432-7(+) <=> ground? Replace the Offset Motor. Replace the Exit PWB.

• Code: H3-7
• Description: Exit Unit Failure - H3-7 Exit Board Comm Failure Communications failure between the Engine Control Board and Exit PWB.
• Causes: • Exit PWB • LVPS • Engine Control Board
• Remedy: 1 Check the Exit PWB connection. Are P/J431 and P/J421 connected? Go to Step 2. Connect P/J431 and P/J421. 2 Check continuity between the Exit PWB and the Engine Control Board. 1. Disconnect P/J431 and P/J421. 2. Check for continuity at the following: • P/J431-1 <=> P/J421-8 • P/J431-2 <=> P/J421-7 • P/J431-3 <=> P/J421-6 • P/J431-4 <=> P/J421-5 • P/J431-5 <=> P/J421-4 • P/J431-6 <=> P/J421-3 • P/J431-7 <=> P/J421-2 • P/J431-8 <=> P/J421-1 Are these conductive? Go to Step 3. Repair the wiring. 3 Check the connection between the Exit PWB and the LVPS. Are P/J430 and P/J526 connected? Go to Step 4. Connect P/J430 and P/J526. 4 Check continuity between the Exit PWB and the LVPS. 1. Disconnect P/J430 and P/J526. 2. Check for continuity at the following: • P/J430-3 <=> P/J526-6 • P/J430-4 <=> P/J526-5 • P/J430-1 <=> P/J526-8 • P/J430-2 <=> P/J526-7 Are these conductive? Go to Step 5. Repair the wiring. 5 Check for +24 V to the Exit PWB. Is there +24 V across P/J430-1 (+) <=> ground? Replace the Exit PWB. Replace the LVPS.

• Code: H4-1, H4-2
• Description: Tray Paper Guide Does Not Match Size Menu. • Tray Paper Guide Does Not Match Size Menu- H4-1 Tray 2 Paper Size Error • Tray Paper Guide Does Not Match Size Menu- H4-2 Tray 3 Paper Size Error
• Causes: • Paper Size Switch • Tray Paper Guides • Engine Control Board
• Remedy: 1 Check the paper in the affected tray. Is paper loaded in the tray properly? Go to Step 2. Reload the paper. 2 Check the tray paper guides. Are the paper guides set correctly? Go to Step 3. Reset the guides. 3 Check the Paper Size Switch for the affected tray. Is the switch installed correctly? Go to Step 4. Correct the installation. 4 Test the Paper Size Switch for the affected tray. Run the Service Diagnostics Size Sensor test for the affected tray. Does the sensor state change each time the loaded tray is moved in or out? Reconnect the connector of the Engine Control Board. Go to Step 5. 5 Check the Paper Size Switch connection. For Tray 2: Are P/J109 and P/J412 connected? For Tray 3: Are P/J110 and P/J412 connected? Go to Step 6. Connect the Paper Size Switch. 6 Check continuity between the affected Paper Size Switch and the Engine Control Board. For Tray 2: 1. Disconnect P/J109 and P/J412. 2. Check for continuity at the following: • P/J109-1 <=> P/J412-4 • P/J109-2 <=> P/J412-3 • P/J109-3 <=> P/J412-2 • P/J109-4 <=> P/J412-1 For Tray 3: 1. Disconnect P/J110 and P/J412. 2. Check for continuity at the following: • P/J110-1 <=> P/J412-9 • P/J110-2 <=> P/J412-8 • P/J110-3 <=> P/J412-7 • P/J110-4 <=> P/J412-6 Are these conductive? Go to Step 7. Repair the wiring. 7 Check for +5 V to the Paper Size Switch. For Tray 2: Is there +5 V across J109-1 (+) <=> ground? For Tray 3: Is there +5 V across J110-1 (+) <=> ground? Replace the paper Size Switch for the affected tray. Replace the Engine Control Board.

• Code: H4-3, H4-4
• Description: Tray Paper Guide Does Not Match Size Menu • Tray Paper Guide Does Not Match Size Menu- H4-3 Tray 4 Paper Size Error • Tray Paper Guide Does Not Match Size Menu- H4-4 Tray 5 Paper Size Error
• Causes: • Paper Size Switch • Tray Paper Guides • Tray 4-5 PWB • Engine Control Board
• Remedy: 1 Check the Paper in the affected tray. Is paper loaded in the tray properly? Go to Step 2. Reload the paper. 2 Check the tray paper guides. Are the paper guides set correctly? Go to Step 3. Set the guides properly. 3 Check the Paper Size Switch for the affected tray. Is the switch installed correctly? Go to Step 4. Correct the installation. 4 Test the Paper Size Switch for the affected tray. Run the Service Diagnostics Size Sensor test for the affected tray. Does the sensor state change each time the loaded tray is moved in or out? Reconnect the connector of the Engine Control Board. Go to Step 5. 5 Check the Paper Size Switch connection. For Tray 4: Are P/J820 and P/J548 connected? For Tray 5: Are P/J824 and P/J548 connected? Go to Step 6. Connect the Paper Size Switch. 6 Check continuity between the affected Paper Size Switch and the Engine Control Board. For Tray 4: 1. Disconnect P/J820 and P/J548. 2. Check for continuity at the following: • P/J820-1 <=> P/J548-14 • P/J820-2 <=> P/J548-13 • P/J820-3 <=> P/J548-12 • P/J820-4 <=> P/J548-11 For Tray 5: 1. Disconnect P/J824 and P/J548. 2. Check for continuity at the following: • P/J824-1 <=> P/J548-7 • P/J824-2 <=> P/J548-6 • P/J824-3 <=> P/J548-5 • P/J824-4 <=> P/J548-4 Are these conductive? Go to Step 7. Repair the wiring. 7 Check for +3.3 V to the Paper Size Switch. For Tray 4: Is there +3.3 V across P/J820-1 (+) <=> ground? For Tray 5: Is there +3.3 V across P/J824-1 (+) <=> ground? Replace the Paper Size Switch for the affected tray. Replace the Engine Control Board. 8 Check the Tray 4-5 PWB connection. Are P/J413 and P/J541 connected? Go to Step 9. Connect P/J413 and P/541. 9 Check continuity between the Tray 4-5 PWB and the Engine Control Board. 1. Disconnect P/J541 and P/J413. 2. Check for continuity at the following: • P/J541-1 <=> P/J413-A1 • P/J541-2 <=> P/J413-A2 • P/J541-3 <=> P/J413-A3 • P/J541-4 <=> P/J413-A4 • P/J541-5 <=> P/J413-A5 • P/J541-6 <=> P/J413-A6 • P/J541-7 <=> P/J413-B1 • P/J541-8 <=> P/J413-B2 • P/J541-9 <=> P/J413-B3 • P/J541-10 <=> P/J413-B4 • P/J541-11 <=> P/J413-B5 • P/J541-12 <=> P/J413-B6 Are these conductive? 10 Check for +5 V to the Tray 4-5 PWB. Is there +5 V across P/J413-A5 (+) <=> ground? Replace the Tray 4-5 PWB. Replace the Engine Control Board.

• Code: H5-11
• Description: Stacker Lower Tray Failure - H5-11 Low Tray Fail The Lower Tray No Paper Sensor is not turned Off or On within the specified time following the Stacker Tray beginning to move.
• Causes: • Lower Tray No Paper Sensor • Upper Limit Actuator • Finisher Main PWB • Main Sensor Harness • Elevator Motor • Engine Control Board
• Remedy: 1 Check the Stacker Lower Tray vertical transport and belts for obstacles and deformation. Are there obstacles or belt wear in the vertical transport mechanism? Remove obstacles/ replace deformed part. Go to Step 2. 2 Check the Actuator installation. Does the Actuator enter the Upper Limit sensor sensing area? Go to Step 3. Repair the Actuator. 3 Test the Lower Tray No Paper Sensor. Run the Service Diagnostics Lower Tray No Paper Sensor test. Does the sensor state change when the sensor is blocked? Go to Step 9. Go to Step 4. 4 Check the Lower Tray No Paper Sensor Harness connection. Are P/J8326 and P/J8302B connected? Go to Step 6. Connect and go to Step 5. 5 Print a Test Print. Does the error still occur? Go to Step 6. Problem solved. 6 Check the Lower Tray No Paper Sensor Harness continuity. 1. Disconnect P/J8326 on the Lower Tray No Paper Sensor Harness, and P/ J8302B on the Finisher Main PWB. 2. Check for continuity at the following: • P/J8326-3 <=> P/J8302B-15 • P/J8326-2 <=> P/J8302B-16 • P/J8326-1 <=> P/J8302B-17 Are these conductive? Go to Step 7. Repair the Lower Tray No Paper Sensor Harness. If problem persists, go to Step 7 7 Check for +5 V to the Lower Tray No Paper Sensor. Is there +5 V across J8302B-17 <=> J8302B-15 on the Finisher Main PWB? Go to Step 8. Replace the Finisher Main PWB. 8 Check Stacker Lower Tray No Paper Sensor. Does the voltage across P8302B-16 <=> P8302B-15 on the Finisher Main PWB change when the sensor is blocked? Replace the Finisher Main PWB. Replace the Lower Tray No Paper Sensor. 9 Test the Elevator Motor. Run the Service Diagnostics Stacker Motor Up and Down tests alternately. Does the Elevator Motor operate? Replace the Finisher Main PWB. Go to Step 10. 10 Check the Elevator Motor connection. Is P/J8305 connected to the Finisher Main PWB? Go to Step 12. Connect and go to Step 11. 11 Print a Test Print. Does the error still occur? Go to Step 12. Problem solved. 12 Replace the Elevator Motor. Print a Test Print. Does the error still occur? Go to Step 13. Problem solved. 13 Replace the Finisher Main PWB. Does the error still occur? Replace the Engine Control Board. Problem solved.