TSC TTP 246M - Loading Label For Peel-off Mode

17
17
TTP-246M/344M Bar Code Printer
Service Manual
U15B (74HC123) controls the breaking of U14. U14 is the driver of cutter’s DC motor.
3.9 Parallel Port Circuit
Centronics port is SPP mode and one-way communication.
3.10 Serial Port Circuit
U18 (SP232A) is RS232 asynchronous communication driver IC.
U19 is used for industrial long-distance asynchronous communication；U19 is optional for
RS-422/485.