Phaser 6130 Color Laser Printer Service Manual 3-61
Error Messages and Codes
5 Check the Left Side Harness Assy for 
continuity
Disconnect J23 from the MCU Board.
Disconnect J234 from the Photo 
Sensor.
Is each cable of J23 <=> J234 
continuous?
Go to step 6. Replace the 
Feeder Assy 
(page 8-25) or 
Left Side 
Harness Assy 
(page 8-26).
6 Check the power to the Tray No Paper 
Sensor (Photo Sensor) 
Disconnect J23 from the MCU Board.
Is the voltage across P23-9pin <=> 
ground on the MCU Board, about +3.3 
VDC?
Go to step 7. Replace the 
MCU Board 
(page 8-59).
7 Check the Tray No Paper Sensor 
(Photo Sensor) for operation
Check the voltage across J23-11pin 
<=> ground on the MCU Board.
Does the voltage change, when the 
Tray No Paper Sensor actuator is 
operated?
Replace the 
MCU Board 
(page 8-59).
Replace the 
Photo Sensor. 
Troubleshooting Procedure Table  (continued)
Step Actions and Questions Yes No