• Code: 13
• Description: 09-381 ERROR 13 MAGENTA ATC SENSOR FAILURE Note If this failure reoccurs three times successively, an Engine NVRAM value is set preventing further printer use until the NVRAM Access / Clear Tech Rep Fault / Clear <09-380 ~ 09-383> is run. Note If necessary, enter Service Diagnostics Mode and run the “Clear Tech Rep Fault” procedure.
• Remedy: Remove the Rear Cover and Rear Shield. Measure the voltage at P534-5 on the Engine Control Board. Does the voltage measure between +1 VDC and +3 VDC? Y↓N→ Measure the voltage at P534-6 on the Engine Control Board. Does the voltage measure +5 VDC? Y↓N→ Replace the Engine Control Board. Measure the voltage at P534-0 on the Engine Control Board. Does the voltage measure 0 VDC? Y↓N→ Replace the Engine Control Board. Remove the Print Cartridge Plate Cover. Inspect the wiring harness between the Engine Control Board and the Developer Housing Assembly. Is the wiring harness in good condition? Y↓N→ Repair or replace as necessary. Replace the Developer Housing Assembly. Replace the Engine Control Board. Note Run approximately 10 pages of solid fill full-page prints of this primary color to ensure this error is cleared.

• Code: 14
• Description: 09-382 ERROR 14 CYAN ATC SENSOR FAILURE Note If this failure reoccurs three times successively, an Engine NVRAM value is set preventing further printer use until the NVRAM Access / Clear Tech Rep Fault / Clear <09-380 ~ 09-383> is run. Note If necessary, enter Service Diagnostics Mode and run the “Clear Tech Rep Fault” procedure.
• Remedy: Remove the Rear Cover and Rear Shield. Measure the voltage at P534-8 on the Engine Control Board. Does the voltage measure between +1 VDC and +3 VDC? Y↓N→ Measure the voltage at P534-9 on the Engine Control Board. Does the voltage measure +5 VDC? Y↓N→ Replace the Engine Control Board. Measure the voltage at P534-7 on the Engine Control Board. Does the voltage measure 0 VDC? Y↓N→ Replace the Engine Control Board. Remove the Print Cartridge Plate Cover. Inspect the wiring harness between the Engine Control Board and the Developer Housing Assembly. Is the wiring harness in good condition? Y↓N→ Repair or replace as necessary. Replace the Developer Housing Assembly. Replace the Engine Control Board. Note Run approximately 10 pages of solid fill full-page prints of this primary color to ensure this error is cleared.

• Code: 15
• Description: 09-383 ERROR 15 BLACK ATC SENSOR FAILURE Note If this failure reoccurs three times successively, an Engine NVRAM value is set preventing further printer use until the NVRAM Access / Clear Tech Rep Fault / Clear <09-380 ~ 09-383> is run. Note If necessary, enter Service Diagnostics Mode and run the “Clear Tech Rep Fault” procedure.
• Remedy: Remove the Rear Cover and Rear Shield. Measure the voltage at P534-11 on the Engine Control Board. Does the voltage measure between +1 VDC and +3 VDC? Y↓N→ Measure the voltage at P534-12 on the Engine Control Board. Does the voltage measure +5 VDC? Y↓N→ Replace the Engine Control Board. Measure the voltage at P534-10 on the Engine Control Board. Does the voltage measure 0 VDC? Y↓N→ Replace the Engine Control Board. Remove the Print Cartridge Plate Cover. Inspect the wiring harness between the Engine Control Board and the Developer Housing Assembly. Is the wiring harness in good condition? Y↓N→ Repair or replace as necessary. Replace the Developer Housing Assembly. Replace the Engine Control Board. Note Run approximately 10 pages of solid fill full-page prints of this primary color to ensure this error is cleared.

• Code: 20
• Description: 09-342 ERROR 20 TRANSFER ROLLER CONTACT FAILURE
• Remedy: Enter Service Diagnostics Mode. Perform the “2nd BTR Motor” test. Listen for a short run of the motor. Did the motor run? Y↓N→ Remove the Left-Hand Rear Mid Cover. Inspect the Left-Hand Cover Assembly wiring harness for damage and ensure all connectors are properly seated. If the problem persists, replace the Engine Control Board. If the problem continues to persist, replace the entire Left-Hand Cover Assembly. Remove the Rear Cover and Rear Shield. Reconnect power and enter Service Diagnostics Mode. Measure the voltage at the Engine Control Interface Board P532A-14. Perform the “2nd BTR Motor” several times. Does the voltage toggle between +5 VDC and 0 VDC when the test is run? Y↓N→ Replace the Transfer Roller Retract Sensor. Replace the Engine Control Board.

• Code: 21
• Description: 09-343 ERROR 21 TRANSFER ROLLER RETRACT FAILURE
• Remedy: Enter Service Diagnostics Mode. Perform the “2nd BTR Motor” test. Listen for a short run of the motor. Did the motor run? Y↓N→ Remove the Left-Hand Rear Mid Cover. Inspect the Left-Hand Cover Assembly wiring harness for damage and ensure all connectors are properly seated. If the problem persists, replace the Engine Control Board. If the problem continues to persist, replace the entire Left-Hand Cover Assembly. Remove the Rear Cover and Rear Shield. Reconnect power and enter Service Diagnostics Mode. Measure the voltage at the Engine Control Interface Board P532A-14. Perform the “2nd BTR Motor” several times. Does the voltage toggle between +5 VDC and 0 VDC when the test is run? Y↓N→ Replace the Transfer Roller Retract Sensor. Replace the Engine Control Board.

• Code: 30
• Description: 04-346 ERROR 30 Accumulator Belt HOME POSITION TOOK TOO LONG. Note If this failure reoccurs three times successively, an Engine NVRAM value is set preventing further printer use until the NVRAM Access / Clear Tech Rep Fault / Clear <04-346> is run.
• Remedy: Ensure the Accumulator Belt shipping restraints have been removed. Enter Service Diagnostics Mode, Service Diagnostics Run the “Clear Tech Rep Fault” procedure. Lower the Main Release Lever and return to the upright position to reestablish electrical connections to the belt. Open the RH Door and defeat the interlock switch. Look for rotation of the Accumulator Belt during the following test. Enter Adjustments / Calibrations menu. Run the “Belt Edge Learn” test. Did the Accumulator Belt rotate? Y↓N→ Remove the Accumulator Belt Assembly. CautionRemoving the Accumulator Belt Assembly allows ambient light into the print cartridge area. Avoid exposing the print cartridge drums to light. Manually rotate clockwise the drive gear of the Accumulator Belt Assembly. Does it move freely? Y↓N→ Inspect the Accumulator Belt Cleaner Waste Auger for packed toner. Is the area inside the auger relatively clear of toner? Y↓N→ NoteIt is easy to spill toner in the next step. Remove the Waste Toner Cartridge. Run the “Agitator Motor Test.” Does the Waste Toner Agitator Motor rotate? Y↓N→ Measure the voltage at the Engine Control Board J404B-3. Does the voltage measure +24 VDC? Y↓N→ Measure the voltage at the Engine Control Board J408-7. Does the voltage measure +24 VDC? Y↓N→ Check for +24 VDC at the supply Troubleshooting the +24 VDC LVPS Replace the Engine Control Board. Repeat the “Agitator Motor” test while measuring the voltage at the Engine Control Board J404B-4. Does the voltage measure 0 VDC when the test is run and +24 VDC when the test is not run? Y↓N→ Replace the Engine Control Board. Replace the Waste Toner Agitator Motor. Using a Type II toner vacuum cleaner, vacuum out the Waste Auger Assembly. Replace the Waste Toner Cartridge. Recheck the gear that drives the Accumulator Belt for freedom of rotation. Does it move freely now? Y↓N→ Replace the Waste Auger Assembly. Reinstall all parts and assemblies and verify printer operation. If problem persists, resume this procedure at next line below. Remove the e-clip and remove any one of the Waste Auger Drive Gears. Again, manually rotate the gear that drives the Accumulator Belt. Does it move freely now? Y↓N→ Replace the Accumulator Belt Drive Assembly. Replace the Waste Auger Assembly. Run the “Accumulator Belt Motor” test. Does the Accumulator Belt Motor rotate? Y↓N→ Inspect P530 on the Engine Control Interface Board for proper seating. If the problem persists, replace the Accumulator Belt Drive Assembly. If the problem continues to persist, Replace the Engine Control Board. Replace the Accumulator Belt Assembly. Replace the Accumulator Belt Assembly. CautionIf the Accumulator Belt is damaged, determine the cause of the damage before installing a new Accumulator Belt Assembly. Visually inspect the Accumulator Belt area inside the printer and inside the LH door for foreign object or damage parts. Inspect the belt steering mechanism to determine if it is operable. It may be necessary to query the user for additional information as to likely causes. If the problem persists, replace the Engine Control Board.

• Code: 31
• Description: 04-347 ERROR 31 Accumulator Belt HOME POSITION FAILURE
• Remedy: Lower the Main Release Lever and return to the upright position to reestablish electrical connections to the belt. Open the RH Door and defeat the interlock switch. Look for rotation of the Accumulator Belt during the following test. Run the “Belt Edge Learn” test. Did the Accumulator Belt rotate? Y↓N→ Remove the Accumulator Belt Assembly. CautionRemoving the Accumulator Belt Assembly allows ambient light into the print cartridge area. Avoid exposing the print cartridge drums to light. Manually rotate the gear that drives the Accumulator Belt. Does it move freely? Y↓N→ Inspect the Accumulator Belt Cleaner Waste Auger for packed toner. Is the area inside the auger relatively clear of toner? Y↓N→ Note It is easy to spill toner in the next step. Remove the Waste Toner Cartridge. Run the “Agitator Motor Test.” Does the Waste Toner Agitator Motor rotate? Y↓N→ Measure the voltage at the Engine Control Board J404B-3. Does the voltage measure +24 VDC? Y↓N→ Measure the voltage at the Engine Control Board J408-7. Does the voltage measure +24 VDC? Y↓N→ Check for +24 VDC at the supply using the “Troubleshooting +24 VDC LVPS” procedure in the Troubleshooting Section, Troubleshooting the +24 VDC LVPS Replace the Engine Control Board. Repeat the “Agitator Motor” test while measuring the voltage at the Engine Control Board J404B-4. Does the voltage measure 0 VDC when the test is run and +24 VDC when the test is not run? Y↓N→ Replace the Engine Control Board. Replace the Waste Toner Agitator Motor. Using a Type II toner vacuum cleaner, vacuum out the Waste Auger Assembly. Replace the Waste Toner Cartridge. Recheck the gear that drives the Accumulator Belt for freedom of rotation. Does it move freely now? Y↓N→ Replace the Waste Auger Assembly. Reinstall all parts and assemblies and verify printer operation. If problem persists, resume this procedure at next line below. Remove the e-clip and remove any one of the Waste Auger Drive Gears. Again, manually rotate the gear that drives the Accumulator Belt. Does it move freely now? Y↓N→ Replace the Accumulator Belt Drive Assembly. Replace the Waste Auger Assembly. Run the “Accumulator Belt Motor” test. Does the Accumulator Belt Motor rotate? Y↓N→ Inspect P530 on the Engine Control Interface Board for proper seating. If the problem persists, replace the Accumulator Belt Drive Assembly. If the problem continues to persist, Replace the Engine Control Board. Replace the Accumulator Belt Assembly. Replace the Accumulator Belt Assembly. CautionIf the Accumulator Belt is damaged, determine the cause of the damage before installing a new Accumulator Belt Assembly. Visually inspect the Accumulator Belt area inside the printer and inside the LH door for foreign object or damage parts. It may be necessary to query the user for additional information as to likely causes. If the problem persists, replace the Engine Control Board.

• Code: 32
• Description: 04-348 ERROR 32 UNEXPECTED Accumulator Belt EDGE SENSOR FAILURE
• Remedy: Remove the Accumulator Belt Assembly. Inspect the connector for damage. Is the connector in good condition? Y↓N→ Replace the Accumulator Belt Assembly. Inspect the mating connector inside the printer for corresponding damage. Repair or replace the harness between the Accumulator Belt and connector J605. Reinstall the Accumulator Belt Assembly. Switch printer power ON. Remove the Rear Cover. Remove the Rear Shield. Measure the voltage between the Engine Control Interface Board P533A-2(+) and frame ground. Does the voltage measure between +1 VDC and 3 VDC? Y↓N→ Measure the voltage between the Engine Control Interface Board P533A-3(+) and frame ground. Does the voltage measure +5 VDC? Y↓N→ Replace the Engine Control Board. If the problem persists, replace the Engine Control Interface Board. Measure the voltage between the Engine Control Interface Board P533A-1(+) and frame ground. Does the voltage measure 0 VDC? Y↓N→ Replace the Engine Control Board. If the problem persists, replace the Engine Control Interface Board. Replace the Accumulator Belt Assembly. If the problem persists, repair or replace the wiring harness between the Engine Interface Board and the Accumulator Belt Assembly. If the problem persists, replace the Engine Control Board. If the problem persists, replace the Engine Control Interface Board.