Sensor Pcb; Tape End Sensor Pcb; Sub Pcb; Cutter Sensor - Brother PT-2500PC Service Manual

3.1.3

Sensor PCB

This PCB holds two mechanical sensors; a cassette sensor that detects the tape width
and ink ribbon type in a tape cassette loaded and a cover open sensor that detects the
opened/closed state of the cassette cover.
3.1.4

Tape End Sensor PCB

The tape end sensor uses a photo-interrupter to detect a zebra pattern provided at the
end of tape.
3.1.5

Sub PCB

The sub PCB holds the FEED/CUT switch (FEED/CUT button) and the ON/OFF switch
(ON/OFF button) with the lamp (green and red LEDs).
3.1.6

Cutter Sensor

The cutter sensor is a mechanical switch which detects the home position of the cutter.
3.1.7

Cutter Motor

The cutter motor is a DC motor which drives the cutter to cut the tape. This motor
operates on 12V.
3.1.8

Tape Feed Motor

The tape feed motor is a Ø30 stepping motor which drives the tape feeding mechanism
to feed both the tape and ribbon. This motor operates on 12V.
3.1.9

Thermal Head

The thermal head is a driver-integrated thick-film head having 128 heating element
aligned in 180 dpi. The drive voltage is 12V.
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