2-30
Confidential
 LED display when service call occurs
When a service call occurs, the four LEDs flash. Pressing the [Go] allows you to identify the 
location of the problem based on the combination of the LED status: lit, flashing or unlit. 
Pressing the [Go] again allows you to see detailed information. Follow the table below to 
identity the location of the problem and take appropriate measures.
LED
Press [Go] 
once
Press [Go] 
twice
Type of problem
Error 
codes
Refer 
to:
Cannot detect the 
synchronized signal of the 
paper feed motor. The 
speed of the paper feed 
motor does not stabilize 
within the specified time.
0201 2-33
An error occurred in the 
high-voltage power supply 
PCB ASSY when the 
machine was in the ready 
state.
0B02 2-37
An error occurred in the 
high-voltage power supply 
PCB ASSY while 
operating.
0B01 2-37
Cannot detect the lock 
signal of the polygon 
motor for the laser unit. 
(second time)
0300 2-33
BD sensor failure (second 
time)
0401 2-34
Write error in the 
EEPROM of the main 
PCB ASSY
E600 2-51
Detected a fan failure.
0A02 2-36
Toner
Ready
Paper
Drum
Toner
Ready
Paper
Drum
Toner
Ready
Paper
Drum
Toner
Ready
Paper
Drum