DUPLEX UNIT
SM 4-23 G108
Trouble-
shooting
4.3.2 BLOWN FUSE CONDITION
The table lists the fuses on the power supply unit.
Rating
Fuse
120V 220–240V
Symptom
F001 20A/250V 20A/250V No response
F002 6.3A/125V 6.3A/125V No response
4.3.3 LED
Operation Panel
LED Lights
Yellow LED
• One of the toner cartridges is almost empty ( 6.5.6).
• The waste toner bottle is almost full ( 6.6.4).
Red LED
• One of the toner cartridges is empty ( 6.5.6).
• The waste toner bottle is full ( 6.6.4).
Controller
LED Blinks Stays on/off
LED 1 Error Error
LED 2 Normal Error
BCU
The BCU has no LED.
4.4 DUPLEX UNIT
For information on problems that may occur with the optional duplex unit, refer to
the service manual section for the optional duplex unit (G390).
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