Environmental Sensor Failure - Xerox 6250DT - Phaser Color Laser Printer Service Manual

Troubleshooting Procedure Table
Steps Actions and Questions
Replace the EEPROM board, PL 10.1.14.
7
Does the error recur after the EEPROM
board, has been replaced?
Check J710 <=> J71 of the CRUM
8
Harness for continuity.
Check J71 <=> J140 of the EEPROM
9
Harness for continuity.

Environmental Sensor Failure

Code 102: Indicates an error was detected in the environment sensor circuit.
Troubleshooting Reference Table
Applicable Parts
Temperature/Humidity Sensor, PL 3.2.2
Temp/Humidity Harness, PL 3.2.1
Troubleshooting Procedure Table
Steps Actions and Questions
Use service diagnostics to test the
1
Temperature/Humidity Sensor.
Does the sensor function correctly?
Does the error recur after replacing the
2
Temperature/Humidity Sensor?
Troubleshoot using the wiring diagrams
3
"Xerographics 1" on page 10-23 and
"Xerographics 2" on page 10-24
Is the problem resolved?
3-80
Wiring and Plug/Jack Map References
"Xerographics 1" on page 10-23
"Xerographics 2" on page 10-24
Phaser 6250 Color Laser Printer Service Manual
Yes
Go to Step 8.
Go to Step 9.
Replace the Engine
Control Board,
page 8-107.
Yes
Go to Step 2.
Go to Step 3.
Complete
No
Complete
Replace the
CRUM Harness,
PL 10.1.12.
Replace the
EEPROM
Harness,
PL 13.1.10.
No
Replace the Temp/
Hum Sensor,
page 8-24.
Complete
Replace the
Engine Control
Baord,
page 8-107.