Code :

Code: 912
Description: High-Capacity Feed Motor Error
Remedy: 1 • Paper size sensors 1 and 2 • Residual paper sensors 1—4 • Paper level sensor • Lower limit switch • Docking switch • Upper limit • Paper sensor switch • Paper feed sensor Go to “Sensor/Sw Test”, and perform the LED sensor test. You can block each sensor to verify if it is working properly. Replace the failing sensor. 2 • Tray motor • Paper feed motor • HCPF power supply • Pickup solenoid • Paper feed roller • Transfer roller • Paper feed clutch • Tray drive belt Be sure that all rollers, gears, and belts are in good working order. Replace as necessary. 3 • Paper feed clutch • Pickup solenoid • HCF power supply • Paper feed motor • Tray motor • HCPF board Go to “Maintenance Mode”, and run the tests.

Code: 917
Description: RIP Fan Error
Remedy: 1 Is connector J5 on the RIP board connected properly? Go to step 2. Properly connect J5. 2 Is 24 V dc present between pins 1 and 3 of connector J5 on the RIP board? Replace the RIP fan. Go to step 3. 3 Is 24 V dc present between pin 80 of the RIP/printer controller and ground? Replace the RIP board. Replace the printer controller board.

Code: 918
Description: Main Unit Fan Error
Remedy: 1 Are CN14 on the printer controller board and CN03 on the printhead controller board properly connected? Go to step 2. Connect CN14 and CN03. 2 Is +24V present between pins and 1 and 3 on connectors CN12 (upper left fan) and CN11 (upper right fan) on the printer controller board? Replace the failing fan. Replace the printer controller board.

Code: 919
Description: Power Supply Fan Error
Remedy: 1 Is CN17 on the printer controller board properly connected? Go to step 2. Connect CN17. 2 Is CN6 on the CK2 daughter board properly connected? Go to step 3. Connect CN6. 3 Is +24 V present between pins 1 and 3 of connector CN6 on the CK2 daughter board? Replace the power supply fan. Replace the printer controller board. 4 Did either exchange solve the problem? Problem solved. Replace the CK2 daughter board.

Code: 920
Description: Fuser Error–Fuser Heater Trouble
Remedy: 1 Replace the fuser. Did this fix the problem? Problem solved. Return the fuser, replace the power supply 2, and go to step 2. 2 Did replacing power supply 2 fix the problem? Problem solved. Return power supply 2, and replace the printer controller board

Code: 923
Description: Upper Fuser Thermistor Open Error
Remedy: 1 Is connector CN19 on the printer controller board connected properly? Disconnect CN19 and turn the printer on. Go to step 2. Plug the connector in securely. 2 Is error 923 displayed? Power off, and reconnect CN19. Go to step 3. Replace the printer controller board. 3 Power the printer off and short-circuit pins (1 and 2) and (3 and 4) of CN19 and power on. Is error 923 displayed? Replace the fuser. Replace the printer controller board.

Code: 924
Description: Lower Fuser Thermistor Open Error
Remedy: 1 Turn off the printer and reinstall the fuser, making sure it clicks into place. Turn on the printer. Did this resolve the problem? Problem solved. Go to step 2. 2 Is connector CN19 on the printer controller board connected properly? Disconnect CN19, and turn the printer on. Go to step 3. Plug the connector in securely. 3 Is error 924 displayed? Turn the printer off, and reconnect CN19. Go to step 4. Replace the printer controller board. 4 Turn off the printer and short-circuit pins 8 and 9 of CN19. Turn on the printer. Is error 924 displayed? Replace the fuser. Replace the printer controller board.

Code: 925
Description: HVU Error
Remedy: 1 Has the high voltage power board (HVU) been removed/replaced? Inspect the secondary card on the high voltage board (HVU) for a broken component (Q906). Replace the high voltage board (HVU) if necessary. Go to step 2. 2 Is connector CN9 on the printer controller board connected properly? Replace the printer controller board. Go to step 3. Plug the connector in securely. 3 Did replacing the printer controller board fix the problem? Problem solved. Replace the high voltage power board (HVU).