Control Board (Lxmr) - Rev D - OKIDATA ML320 Service Manual

A.2.03 Control Board (LXMR) - Rev D
Function
The control board contains the microprocessor and its peripheral circuits. The drive circuits,
paper end sensor, and the interface connector are on this board. It also contains the components
needed for regulating DC voltage and those needed to convert AC voltage to DC voltage.
Firmware
NONE
Fuses
F1 1 amp in-line fuse (protects 40 V line feed)
F2: 1 amp AC line fuse (protects transformer)
Jumpers
NONE
Sensors
Paper End
Switches
NONE
Test Points
NONE
Service Guide ML320/ML321
Chapter A Reference Charts
Page: 121