Star Micronics NX-1500 User Manual

CHAPTER 2
THEORY OF OPERATION
1. Block Diagram ..................................................................................................... 13
2. Main Logic Board ................................................................................................ 14
2-1. Data Input Operation............................................................................................. 14
2-1-1. Parallel Interface ............................................................................................... 14
2-1-2. Serial Interface .................................................................................................. 15
2-2. General Flow Chart ............................................................................................... 18
2-2-1. Editing ............................................................................................................... 19
2-2-2. Print Head Driving Circuit ................................................................................ 19
2-2-3. Print Head Temperature Detection Circuit...................................................... 19
2-2-4. Carriage Motor Driving Circuit......................................................................... 20
2-2-5. Carriage Motor Speed Control ......................................................................... 21
2-2-6. Paper Feed Motor Driving Circuit .................................................................... 21
2-3. Reset Circuit .......................................................................................................... 23
2-4. Reset by +5V Line Voltage Detection .................................................................. 24
2-5. Protection Circuit .................................................................................................. 24
3. Power Supply Unit .............................................................................................. 24
4. Mechanisms......................................................................................................... 25
4-1. Print Head Mechanism.......................................................................................... 25
4-2. Print Head Carrying Mechanism .......................................................................... 25
4-3. Ink Ribbon Feed Mechanism................................................................................ 26
4-4. Paper Feed Mechanism ........................................................................................ 27
4-5. Detectors ............................................................................................................... 28
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Star Micronics NX-1500 Specifications

General

Brand	Star Micronics
Model	NX-1500
Category	Printer
Language	English