Star Micronics TSP400 Manual de usuario descargar pdf (Pagina 21)

CHAPTER 2

THEORY OF OPERATION

This chapter describes the operating principles of the circuitry and printer mechanism.

1. Block Diagram ..................................................................................................... 19

2. Main and Interface PCBs .................................................................................... 21

2-1. Interface ................................................................................................................. 21

2-1-1. RS232C .............................................................................................................. 21

2-1-2. RS422A .............................................................................................................. 22

2-1-3. Parallel interface ............................................................................................... 23

2-2. Editing and Printing .............................................................................................. 24

2-2-1. Editing ............................................................................................................... 24

2-2-2. Thermal head .................................................................................................... 24

2-2-3. Head current control ........................................................................................ 25

2-3. Feed-Motor Drive Circuit ...................................................................................... 26

2-4. Power-On Reset Circuit ........................................................................................ 27

2-5. +5V Line Voltage Detector Circuit ....................................................................... 28

3. Printer Mechanism .............................................................................................. 29

3-1. Thermal Head ........................................................................................................ 29

3-2. Paper-Feed Mechanism ........................................................................................ 29

3-3. Detectors ............................................................................................................... 30

1 2 ... 16 17 18 19 20 21 22 23 24 25 26 ... 79 80

Sin comentarios

Star Micronics TSP400 Manual de usuario Pagina 21