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Star Micronics
TSP400
technical manual
Theory of Operation
Models:
TSP400
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80 pages
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Specs
Parts list
Block Diagram
Maintenance
Internal Configuration TSP412D
Power-On Reset Circuit
Feed Motor Assembly
Print-Density Adjustment
DIP-Switch Settings
Cleaning
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THEORY OF OPERATION
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Contents
TSP400 Series
Page
Introduction
Page
Chapter Specifications and Operation
Specifications and Operation
General Specifications
OCR-B
External Appearance and Internal Configuration
Internal Configuration TSP412D
DIP-Switch Settings
Status of printer power
Baud
Print-Density Adjustment
Sensor Adjustment
Specifications and Operation
Setting Memory Switches from the Control Panel
Test Print
HEX Dump
Page/Line Mode Switch
Exposing the Peripheral Unit Connector
Changing the Interface Board
Specifications and Operation
Chapter Theory of Operation
Theory of Operation
Block Diagram
24V
Control Panel
Main and Interface PCBs
Interface
2. RS422A interface
Parallel Interface PCB Main PCB
Editing and Printing
Editing
Timing Chart
Motor Control by Phase 1-2 Excitation
Feed-Motor Drive Circuit
Power-On Reset Circuit
+5V Line Voltage Detector Circuit
11 Equivalence Circuit for Voltage Detecting IC
Thermal Head
Printer Mechanism
Paper-Feed Mechanism
Detectors
15 Paper-Out Detector
19 Head-Up Detector
Page
Chapter Parts Replacement and Related Adjustments
Parts Replacement
Upper Casing Unit
TSP412D
Control-Panel Board
Printer Mechanism
Main PCB, Interface PCB
Power Unit
Fuse
Feed Motor Assembly
Printhead unit
Detectors
Label sensor
Parts Replacement
Chapter Maintenance and Lubrication
Maintenance and Lubrication
Cleaning
Maintenance
Checks
Application Method
Lubrication
Lubricants
Lubrication Points
Lubrication Points
Maintenance and Lubrication
Chapter Parts List
Printer Assembly
Disassembly Drawing
TSP442D
Parts List
Printer Assembly
Screw TAT
Printer Mechanism Assembly
Printer Mechanism
Oiless Bushing F4X7X3
Connector Wiring Diagram
RS-232C Interface Type
RS422A I/F Board Control Board
Parallel Interface Type
Circuit Diagram
Main Logic Board
Side a
Side D
Side C
Main Logic Board
Chip Resistor 20 K-OHM 1/10W
CN8
RS232C Interface
RS232C Interface Board
RS422A Interface
RS422A Interface Board
CentronicsInterface
Centronics Interface Board
Control Panel Board
Control Panel Board
Paper-Out Detector
Paper-Out Detector Board
Label Sensor Board
Transmissive Sensor
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