Fan
Power supply unit
The power board contains the printer’s
transformers, relays, etc., for transference of
electrical current from the supply source to the
printer’s control circuits.
Ribbon rewind motor assembly
To support the winding motion of the ribbon
rewind spindle.
Ribbon supply motor assembly
To support the winding motion of the ribbon
supply spindle.
Printer center frame
Main (CONT) PCB board
The main (CONT) PCB is the primary
brain-center for all printer activities.
Gearbox
The stepper motor, timing belt and gears in the
gearbox provide the main rotation motion for
precise print positioning.