Remedy: 1 Check the motors. Run the Service Diagnostics motor tests to determine the failed part. Is the failed part the Main Drive Motor? Go to. Test the Fuser Motor. 2 Is the failed part the Fuser Drive Motor? Go to. Test the Developer Motor. 3 Is the failed part the Developer Drive Motor? Go to. Replace the Engine Control Board.
Code: 13 ... 16
Description: Density Sensor Failure An error was detected in the CTD (ADC) sensor. Code 13: Density Sensor Failure. Code 14: Density Limit Over Output. Code 15: Density Limit. Code 16: This is the generic fault used by the engine if a lower level error cannot be reported to the controller.
Remedy: 1 Check the following for evidence of fault or damage: • Transfer Roller, PL5.1.4 • CTD (ADC) Sensor Holder, PL5.2.19 Are any parts damaged? Replace any damaged parts. Go to Step 2. 2 Clean the CTD (ADC) Sensor. Does the error persist? Go to Step 3. Complete 3 Test the CTD (ADC) Sensor. Run the Service Diagnostics CTD (ADC) Sensor test. Does the sensor function correctly? Go to Step 4. Go to Step 5. 4 Replace the Transfer Roller. Does the error persist? Go to Step 5. Complete 5 Check all pins on the FSR/ADC Harness PL5.2.28 for continuity. 1. Disconnect P/J36 and P/J136. 2. Check continuity between J36 <=> J136. Go to Step 6. Replace the FSR/ ADC Harness. 6 Check the CTD (ADC) Sensor signal. Disconnect P/J136. Is there 0 V across P136-4 <=> P136-1? Replace the CTD (ADC) Sensor Holder. Replace the Engine Control Board.
Code: 150
Description: Close Front Door The Interlock Switch indicates that Door A or B is open.
Remedy: 1 Check the following for evidence of fault or damage: • Front Cover, PL1.1.6 • Interlock Switch, PL9.1.11 Replace any damaged parts. Go to Step 2. 2 Test the Interlock Switch. Run the Service Diagnostics Interlock Switch test. Does the switch function correctly? Replace the Engine Control Board. Go to Step 3. 3 Check the Interlock Switch for +5 V. 1. Close the Interlock Switch while testing. 2. Disconnect P/J161 and P/J163. Does P/J161-1 <=> P/J163-2 = +5 V? Does P/J161-3 <=> P/J163-2 = +5 V? Go to Step 4 Replace the Interlock Switch. 4 Check the Interlock open signal. Disconnect P/J61. Does J61-8 <=> J61-16 = 0 V? Replace the Engine Control Board. Go to Step 5. 5 Check the LVPS. Disconnect P/J165. Does J165-11 <=> J165-3 = 0 V? Replace the LV Harness. Replace the LVP
Code: 151
Description: Dusty Density Sensor The printer detects an accumulation of dust on the CTD (ADC) Sensor.
Remedy: 1 Clean the CTD (ADC) Sensor. Does the error persist? Go to Step 2. Complete 2 Check the following for evidence of fault or damage: • Transfer Roller Assembly, PL5.1.4 • CTD (ADC) Sensor, PL5.2.19 Replace the damaged parts. Go to Step 3. 3 Check the CTD (ADC) Sensor connection. Is P/J136 connected to the harness? Go to Step 4. Reconnect the sensor. 4 Replace the CTD (ADC) Sensor. Does the error persist? Go to Step 5. Complete. 5 Check all pins on the FSR/ADC Harness PL5.2.28 for continuity. 1. Disconnect P/J36 and P/J136. 2. Check continuity between J36 <=> J136. Go to Step 6. Replace the FSR/ ADC Harness. 6 Check the CTD (ADC) Sensor signal. Disconnect P/J136. Does P136-4 <=> P136-1 = 0 V? Replace the CTD (ADC) Sensor. Replace the Engine Control Board.
Code: 152
Description: Jam at Fuser: Jam F Paper did not reach the Exit Sensor on time or the Exit Sensor indicates that paper remains in the Fuser Exit Roller.
Remedy: 1 Check the following for evidence of fault or damage: • Exit Actuator and Sensor, PL5.1.2 and PL5.1.3 • Fuser Assembly, PL5.1.1 • Front Cover, PL1.1.6 • Chute Assembly In, PL5.2.1 • Transfer Roller, PL5.1.4 • Imaging Unit, PL6.1.1 Is there any damage? Replace any damaged parts. Go to Step 2. 2 Remove the Fuser and check for broken or bent pins. Replace the parts concerned. Go to Step 3. 3 Reinstall the Fuser. Does error recur after the Fuser Assembly has been replaced? Go to Step 4. Complete 4 Test the Exit Sensor. Run the Service Diagnostics Exit Sensor Test. Does the sensor function correctly? Go to Step 7. Go to Step 5. 5 Check the Exit Sensor Signal. Insert a sheet of paper into the Fuser. Is the voltage across J361-A5 <=> J361- A6 0 V? Go to Step 7. Go to Step 6. 6 Check all pins on the FSR/ADC Harness PL5.2.28 for continuity. 1. Disconnect P/J361 and P/J36. 2. Check continuity between J361<=>J36. Go to Step 7. Replace the FSR/ ADC Harness. 7 If possible print one sheet of paper. Does the Fuser Motor Turn? Inspect and replace defective gear(s). Go to Step 8. 8 Test the Fuser Drive Assembly. Run the Service Diagnostics Fuser Motor test. Does the Fuser Motor function correctly? Replace the Engine Control Board. Go to Step 10. 9 Check for +24 V to the Fuser Motor. Disconnect P/J521. Is there +24 V across J521-10 <=> ground? Go to Step 11. Replace the Engine Control Board. 10 Replace the Fuser Drive Assembly. Does the Fuser Motor function correctly? Complete Go to Step 11. 11 Check TNRFULL/FSR Harness continuity. 1. Disconnect P/J52 and P/J521. 2. Check continuity between J52 <=> J521. Replace the Engine Control Board. Replace the TNRFULL/FSR Harness.
Code: 153
Description: Jam at Duplex: Jam D The Duplex Jam Sensor indicates that paper did not reach the sensor on time or that paper remains in the Chute Assembly Out.
Causes: • Duplex Jam Sensor, PL5.4.1 • Jam Sensor Actuator, PL5.4.13 • Duplex Motor Assembly, PL5.4.5 • FRONT/DUP Harness, PL5.3.28 • Chute Assembly Out, PL5.3.1
Remedy: 1 Check the following for evidence of fault or damage: • Duplex Motor Assembly, PL5.4.5 • JAM Sensor Actuator, PL5.4.13 • Chute Assembly Out, PL5.3.1 Are there any defects? Replace any damaged part. Go to Step 2. 2 Test the Duplex Jam Sensor. Run the Service Diagnostics Jam Sensor test. Does the sensor function correctly? Go to Step 7. Replace the Duplex Jam Sensor and Go to Step 3. 3 Check printer function. Does the printer function correctly after replacing the Duplex Jam Sensor? Complete Go to Step 4. 4 Check the Duplex Jam Sensor signal. Block the Duplex Jam Sensor. Is the voltage across J133-1 <=> J133-2 0 V? Go to Step 6. Go to Step 5. 5 Check FRONT/DUP Harness continuity. 1. Disconnect P/J133 and P/J13. 2. Check continuity between J133 <=> J13 Go to Step 6. Replace the FRONT/DUP Harness. 6 Print a Test Print in Duplex mode Does the sheet reverse in the printer? Replace the Chute Assembly Out. Go to Step 7. 7 Test the Duplex Motor. 1. Close the Interlock Switch during the test. 2. Run the Service Diagnostics Duplex Motor test. Does the Duplex Motor function correctly? Replace the Chute Assembly Out. Go to Step 8. 8 Check for +24 V to the Duplex Motor. Disconnect P/J501. Is there +24 V across P501-6 <=> ground? Go to Step 9. Replace the Engine Control Board. 9 Check all pins on the FRONT/DUP Harness PL5.3.28 for continuity. 1. Disconnect P/J13 and P/J501. 2. Check continuity between J13 <=> P501. Got to Step 10. Replace the FRONT/DUP Harness. 10 Replace the Duplex Motor. Does the error persist? Replace the Engine Control Board. Complete