Phaser 6128MFP Service Manual 3-113
Error Messages and Codes
Env Sensor Error
The Environmental Sensor has detected temperature error. This troubleshooting
procedure applies to this error.
Applicable Error
• 092-661: Env Sensor Error
Initial Actions
• Cycle printer power.
• If the problem persists, follow the procedure below.
Troubleshooting Reference Table
Applicable Parts Wiring and Plug/Jack Map References
■ Humidity/Temp Sensor PL10.4.20
■ Humidity Harness, PL10.4.21
■ MCU Board, PL10.7.7
■ “Map 1 - MCU Board” on page 10-6
■ “Map 3 - Electrical and Drive” on page 10-8
■ “Xerographics” on page 10-18
Troubleshooting Procedure Table
Step Actions and Questions Yes No
1 Check the Humidity/Temperature
Sensor for correct installation.
Is the Humidity/Temperature Sensor
correctly installed?
Go to step 2. Reseat the
Humidity/
Te mpe ra t ur e
Sensor.
Go to step 2.
2 Does the error still occur when the
printer is turned On?
Go to step 3. Complete.
3 Check connectors P/J20 and P/J201
between the MCU Board and the
Humidity/Temperature Sensor.
Are the connectors securely
connected?
Go to step 4. Reconnect the
connectors.
4 Check the Humidity Harness for
continuity. Disconnect P/J20 from
the MCU Board and P/J201 from the
Humidity/Temperature Sensor.
Is the harness damaged.
Go to step 5. Replace the
Humidity
Harness.
5 Check the Humidity/Temperature
Sensor signal.
Is there +5 V across ground <=> J20-
4 pin on the MCU Board?
Replace the
Humidity/
Te mp era t ur e
Sensor
(page 8-45).
Replace the
MCU Board
(page 8-57).
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