Xerox PHASER 8500 Service Manual page 96

Error Messages and Codes
3-28
13,067.43: The Drum Temperature Sensor circuit is open.
13,069.45: The Drum Temperature Sensor circuit is shorted.
13,071.47: The Drum Temperature Sensor returned a bad reading, or the
reading was corrupted by ESD (Electrostatic Discharge).
Troubleshooting Procedure for 13,067 to 13,071 Error Code (Drum Thermistor)
Step Questions and Actions
Using Service Diagnostics, run the Drum
1
Temperature Sensor test.
Did the test pass?
2 Inspect the sensor wiring harness.
Is the wiring free from defects? Is the wiring
correctly routed through the pass-thru and
not pinched against the Drum?
13,072.48: The Preheater got too hot.
13,074.41: The Preheater took too long to reach its setpoint.
13,131.44: The Preheater thermistor circuit is open.
13,133.46: The Preheater thermistor circuit is shorted.
13,135.48: The Preheater thermistor returned a bad reading, or the reading
was corrupted by ESD.
Troubleshooting Procedure for 13,072 to 13,135 Error Code (Preheater)
Step Questions and Actions
Check that the ambient room temperature is
1
within specifications (see "Environmental
Specifications" on page 1-12).
Is the room too cold or too hot?
Run the Preheater test.
2
Did the test pass?
3 Check the wiring from the Preheater.
Is the wiring connected and intact?
13,136.49: The Printhead left jetstack heater is too hot.
13,138.42: The Printhead left jetstack heater took too long to reach its
setpoint.
13,195.45: The Printhead left jetstack thermistor circuit is open.
13,197.47: The Printhead left jetstack thermistor circuit is shorted.
13,199.49: The Printhead left jetstack thermistor returned a bad reading, or
the reading was corrupted by ESD.
Phaser 8400/8500/8550/8560 Color Printer Service Manual
Yes No
Go to Step 2. Replace the
Drum
Temperature
Sensor.
Replace the Replace the
Drum sensor
Temperature harness.
Sensor.
Yes No
Advise Go to Step 2.
customer.
Replace the Go to Step 3.
I/O Board.
Replace the Replace the
Preheater. harness.