Service manual

Confidential BTP-M280 Service Manual
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2 Printer Overview
The BTP-M280 printer consisits of the following parts:
Pinter mechanism part, NDLF main control board, extended interface board.
2.1 Main Control Board Unit Block Diagram
Main control board unit block diagram is shown as below:
FLASH
Paper feed motor
drive chip
Carriage motor
drive chip
Communication interface
connector
3.3V
1.8V
Motor drive signal
Print head drive signal
5V
Main Control Board Unit Block Diagram