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Service Guide ML390/391
Chapter A Board Diagrams
A.2.04 Power Supply (SUII) - Rev C and "Plus" Printers
Function
This board converts and regulates the AC voltage input to DC voltage and supplies the DC voltage to the
control board.
Firmware
NONE
Fuses
F1 2.0 amp / 250 VAC
Jumpers
NONE
Sensors
NONE
Switches
NONE
Test Points
CN2: Pin 1 + 40 vdc
CN2: Pin 6 + 5 vdc
CN2: Pin 8 + 8 vdc
Notes
CN1 connection from Transformer
CN2 connection to Power Interconnect Module