Xerox Phaser 8550

• Code: 13,000.48
• Description: Printhead Thermal Fault A thermal error is detected in the Printhead. The following troubleshooting procedure applies to this error: 13,000.48 A thermal fault was detected in the Printhead.
• Causes: Printhead, PL 2.0 Electronics Module - NVRAM, PL 5.0
• Remedy: • Check that all system grounds are secured. • Check the ambient room temperature. • Check the fan operation and vents. • If the problem persists, follow the procedure below.
  1 Check ground integrity for the printer. Does the error persist? Go to Step 2. Complete. 2 Reset NVRAM. Does the error persist? Replace the NVRAM device. Complete. 3 Reseat all system connections to the Printhead and check that the harnesses are properly dressed. Does the error persist? Replace the Printhead. Complete.

• Code: 13,003.42, 13,007.46
• Description: Thermal Faults A thermal error has occurred. The following troubleshooting procedures apply to these errors: 13,003.42 Thermal fault 13,007.46 Thermal fault
• Causes: NVRAM, PL 5.0 Electronics Module, PL 5.0 Electronics Module -
• Remedy: • Check that all system grounds are secured. • Check the ambient room temperature. • Check the fan operation and vents. • If the problem persists, follow the procedure below.
  1 Check ground integrity for the printer. Does the error persist? Go to Step 2. Complete. 2 Reset NVRAM. Does the error persist? Replace in the NVRAM device. If the error persists, replace the Electronics Module. Complete.

• Code: 13,008.47, 13,010.49
• Description: Drum Thermal Faults A Drum Assembly thermal error has occurred. The following troubleshooting procedures apply to these errors: 13,008.47 The Drum Heater is too hot 13,010.49 The Drum Heater took too long to reach the setpoint temperature.
• Causes: Drum Fan, PL 4.0 Right Side Harness / I/O Control - Drum Assembly Electronics Module Power - Drum Temperature Sensor, PL 6.0 I/O Board (2/2) - Electronics Module Fan Left Side Harness (2/2) -
• Remedy: • Check that all system grounds are secured. • Check the ambient room temperature. • Check the fan operation and vents. • If the problem persists, follow the procedure below.
  1 Verify that the ambient temperature is within environmental specifications. Is the room within operating parameters? Go to Step 2. Advise the customer of operational requirements. 2 Check ground integrity for the printer. Does the error persist? Go to Step 2. Complete. 3 Is the error code associated with an overheat condition?. Go to Step 4. Go to Step 6. 4 Check airflow at the vents. Is there adequate clearance, and are the vents clean? Go to Step 5. Clean the vents. 5 Test the Drum Fan Run the Service Diagnostics Drum Fan Motor test. Does the fan operate correctly? Go to Step 6. Replace the Drum Fan. 6 Test the Electronics Module Fan. Does the Fan operate correctly? Go to Step 7. Replace the Electronics Module Fan. 7 Test the Drum Temperature Sensor. Run the Service Diagnostics Drum Temperature Sensor test. Does the sensor operate correctly? Go to Step 8. Replace the Drum Temperature Sensor.. 8 Test the Drum Heater. Run the Service Diagnostics Drum Heater test. Does the heater operate correctly? Replace the Drum Assembly. Replace the Drum Temperature Sensor..

• Code: 13,00x.6x
• Description: Thermal Program Faults A software error has occurred. The following troubleshooting procedure applies to these errors: 13,001.62 Thermals failed to read system NVRAM. 13,002.63 Value not in valid range. 13,003.64 Thermal control task received an unexpected message. 13,004.65 Thermal control task was expecting initialization message, but received other. 13,005.66 Thermal code tried to command a segment ID that did not exist. 13,006.67 Thermal code tried to command a segment ID that did not exist. 13,007.68 Thermal power manager expected an initialization message, but received other. 13,008.60 Thermal power manager task received an unexpected message.
• Causes: NVRAM, PL 5.0
• Remedy: • Reset NVRAM and retest. • If the problem persists, follow the procedure below.
  1 Reseat all Electronics Module connections. Does the problem persist? Go to Step 2. Complete. 2 Check ground integrity. Are the system grounds connected? Reset NVRAM. If the error persists, replace the NVRAM device. Reconnect the system grounds.

• Code: 13,067.43, 13,069.45, 13,071.47
• Description: Drum Temp Sensor Faults A Drum Temperature Sensor error has occurred. The following troubleshooting procedures apply to these errors: 13,067.43 The Drum Thermistor circuit is open. 13,069.45 The Drum Thermistor circuit is shorted. 13,071.47 The Drum Thermistor returned faulty reading.
• Causes: Drum Temperature Sensor, PL 6.0 I/O Board (2/2) -
• Remedy: • Check that all system grounds are secured. • Check the ambient room temperature. • Check the fan operation and vents. • If the problem persists, follow the procedure below.
  1 Test the Drum Temperature Sensor. Run the Service Diagnostics Drum Temperature Sensor test. Does the sensor operate correctly? Go to Step 2. Replace the Drum Temperature Sensor.. 2 Check the Drum Heater Sensor harness. Is the harness free from defects or damage? Replace the Drum Temperature Sensor.. Repair the wiring.

• Code: 13,1XX.4x
• Description: Left Jetstack Thermal Faults A thermal error in the Printhead jetstack has occurred. The following troubleshooting procedures apply to these errors: 13,136.49 The left jetstack heater is too hot. 13,138.42 The left jetstack heater took too long to reach the setpoint temperature. 13,195.45 The left jetstack heater thermistor circuit is open. 13,197.47 The left jetstack heater thermistor circuit is shorted. 13,199.49 The left jetstack heater thermistor returned faulty reading.
• Causes: Printhead, PL 2.0 Electronics Module -
• Remedy: • Check that all system grounds are secured. • Check the ambient room temperature. • Check the fan operation and vents. • If the problem persists, follow the procedure below.
  1 Verify that the ambient temperature of the room is within the system’s specifications. Is the room within operating parameters? Go to Step 2. Advise the customer of operational requirements. 2 Check ground integrity for the printer. Does the error persist? Go to Step 3. Complete. 3 Test the Left Jetstack. Run the Service Diagnostics Left Jetstack Temperature test. Does the Preheater operate correctly? Go to Step 4. Replace the Printhead. 4 Check Printhead connections and wiring. Are the connections secure and the wiring undamaged? Replace the Printhead. Repair the wiring.