4-12 Phaser 6280 Color Laser Printer Service Manual
General Troubleshooting
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.
Power Saver Displays Power Saver on the LCD.
Engine Test Engine Test
â– Start
â– 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.
Note: Run this test when errors 116-
370 and 116-371 occurred.
HD Test
(HD Test is not
available when
Hard Drive not
installed)
HD Test
â– Start
â– Check OK
Tests the Hard Drive. Insertion test is
performed first.
Engine Diag Performs function checks on components whether 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.
K Mode SNR K Mode SNR
â– OFF
â– H- 0
â– L - 0
Tests the K Mode Sensor.
Duplex Jam
Sensor
DuplexJamSensor
â– OFF
â– L - 0
â– H - 0
Tests the Duplex Jam Sensor.
Exit Sensor Exit Sensor
â– OFF
â– L - 0
â– H - 0
Tests the Exit Sensor.
Regi Sensor Regi Sensor
â– OFF
â– L - 0
â– H - 0
Tests the Registration Sensor.
Interlock Switch Interlock Switch
â– OFF
â– L - 0
â– H - 0
Tests the Front Cover Interlock Switch.
Service Diagnostic Test Table (continued)
Test Control Panel Display Test Description