3-82 Phaser 6125/6130 Color Laser Printer Service Manual
Error Messages and Codes
Env Sensor Error
Humidity sensor error is detected.
Applicable Chain Link
■ 092-661: Env Sensor Error
Initial Actions
■ Cycle printer power.
■ If the problem persists, follow the procedure below.
Troubleshooting Procedure Table
Troubleshooting Reference Table
Applicable Parts Wiring and Plug/Jack Map References
■ Humidity Sensor, PL8.2.7
■ MCU Board, PL8.2.13
■ “Map 3 - LVPS, Drive Motors, I/P Board,
AC Power” on page 10-10
■ “Map 4 - Toner Dispenser Motors, HVPS,
MCU” on page 10-11
■ “Xerographic” on page 10-24
Step Actions and Questions Yes No
1 Reseat the connector (P/J201) on the
Humidity Sensor.
Does the error still occur when the
power is turned OFF and ON?
Go to step 2. Complete
2 Check the power to Humidity Sensor.
1.Disconnect the connector of J20
from the MCU Board.
2.Measure the voltage across P20-4
<=> ground on the MCU Board
Is the voltage about +5 VDC?
Replace the
Humidity Sensor
(page 8-58).
Replace the
MCU Board
(page 8-59).