Main Drive - Brother 1660E Service Manual

1.2 Main Drive

The power necessary for driving the printer is supplied by the main motor, the paper feed motor
and the scanner motor.
The main motor is controlled by the main motor drive signal (MDRIVE) output from the main
PCB, and the paper feed motor is controlled by the paper feed motor drive signal output from
the main PCB, and the scanner motor is controlled by the scanner motor drive signal (SDRIVE)
output from the main PCB.
Main motor
Drum gear
Fixing unit
Paper feed motor
MP tray pick-up
roller solenoid
Tray1 pick-up
roller solenoid
Scanner motor
Scanner unit
Main motor drive signal (MDRIVE)
Photosensitive
drum
Paper delivery
rollers
Paper feed motor drive signal
MP tray pick-up roller solenoid drive signal (MPSOL)
MP tray
pick-up roller
Tray1 pick-up roller solenoid drive signal (PUCL1)
Tray1
pick-up roller
Scanner motor drive signal (SDRIVE)
Scanning mirror
Note: There are cases, in the following pages, that
a main motor is referred to as a DC motor, but
they are identical.
Figure 2.2
II - 2
Main PCB