AC Drive Board. Supplies AC power for the PSUs, fusing lamps,
and anti-condensation heaters.
PSU A, B, C (Power Supply Units). Convert AC (AC 200V to 240V)
to DC (5V, 24V).
PSU-A supplies power to the operation panel, laser unit, paper
PSU-B supplies 5V power for the machine in low energy mode,
PSU-C supplies power for image creation components and
AC Drive Board Fuses
FU401: PSU-A. Machine will not power on.
FU403: PSU-B. Freezes at "Please Wait", machine does not boot.
FU404: PSU-C. Freezes at "Please Wait", displays SC670-00
PSU-B Fuses
FU3: 24V Not Used
FU4: 24V for ADF (ADF disabled)
FU5: 24V for scanner unit (scanner unit disabled)
PSU-C Fuses
FUS001: Main power. Machine does not boot.
Slide 166
No additional notes
Summary of Board Functions - 3
transport, and fusing (except lamps)
and supplies power to the LCT (option).
finishers.
166
BR-C1 Training