4-10 Phaser 6130 Color Laser Printer Service Manual
General Troubleshooting
PANEL Test PANEL Test
■ Start
Checks input and output of the Control 
Panel buttons. When buttons are 
pressed as shown, the test displays the 
corresponding contents on the LED.
Button LCD
Note: To exit the Panel Test, press the Up and Down buttons 
simultaneously.
Up Displays Up on the LCD.
Down Displays Down on the LCD.
Left Displays Left on the LCD.
Right Displays Right on the LCD.
OK Displays Set on the LCD.
Menu Displays Menu on the LCD.
Cancel Displays Cancel Job on the LCD.
Wake Up Displays Power Saver on the LCD.
Engine Test Engine Test
■ Start
■ Check OK
Performs communication test with the 
Engine Controller. Then it reads the 
status register of the engine to check 
whether commands can be exchanged 
with the engine.
Engine Diag Performs function checks on components to determine whether 
they operate normally or not.
Note: During Engine Diag test, other Service Diagnostics functions 
cannot be performed simultaneously.
Sensor Test Tests the sensors of the printer. The 
“L” and “H” values increment with each 
actuation of the sensor under test.
Exit Sensor Exit Sensor
■ OFF
■ L - 0
■ H - 0
Tests the Exit Sensor.
Regi Sensor Regi Sensor
■ OFF
■ L - 0
■ H - 0
Tests the Registration Sensor.
Cover Open 
Sensor
Cover Open Sensor
■ OFF
■ L - 0
■ H - 0
Tests the Front Cover Interlock Switch.
Side Switch Side Switch
■ OFF
■ L - 0
■ H - 0
Tests the Side Door Open switch.
Test Control Panel Display Test Description