3-36 Phaser 6130 Color Laser Printer Service Manual
Error Messages and Codes
12 Check the Regi Sensor (Photo Sensor) 
for operation
Check the voltage across P23-5 <=> 
ground on the MCU Board.
Does the voltage change, when the 
actuator of the Regi Sensor (Photo 
Sensor) is operated?
Replace the 
MCU Board 
(page 8-59).
Replace the Regi 
Sensor (Photo 
Sensor).
Troubleshooting Procedure Table  (continued)
Step Actions and Questions Yes No