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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.
An error occurred in the
high-voltage power supply
PCB ASSY when the
machine was in the ready
state.
An error occurred in the
high-voltage power supply
PCB ASSY while
operating.
Cannot detect the lock
signal of the polygon
motor for the laser unit.
(second time)
BD sensor failure (second
time)
Write error in the
EEPROM of the main
PCB ASSY
Detected a fan failure.
Toner
Ready
Paper
Drum
Toner
Ready
Paper
Drum
Toner
Ready
Paper
Drum
Toner
Ready
Paper
Drum
Toner
Ready
Paper
Drum
Toner
Ready
Paper
Drum
Toner
Ready
Paper
Drum
Toner
Ready
Paper
Drum
Toner
Ready
Paper
Drum
Toner
Ready
Paper
Drum
Toner
Ready
Paper
Drum
Toner
Ready
Paper
Drum
Toner
Ready
Paper
Drum