Service manual
Table Of Contents
- Revision Table
- Introduction
- Chapter 1
- Features and General Specifications
- Chapter 2
- Mechanism Configuration and Operating Principles
- Printer Mechanism Operating Principles
- Print mechanism unit
- Print head unit movement
- Wire movement when a single dot is printed
- Printing a character (9x9 font)
- Paper Feed Mechanism Unit
- Paper loading (semi-automatic loading)
- Paper feeding
- Ribbon Feed Mechanism Unit
- Ribbon feeding
- Detection Mechanism Unit
- Home position detection mechanism
- Paper detection mechanism
- Paper roll near-end detection mechanism (optional)
- Auto-cutter mechanism
- Ribbon Switch Mechanism Unit
- Electrical Circuitry Operating Principles
- Principles of Operation
- Printer Mechanism Driver Circuits
- Printer Mechanism Operating Principles
- Chapter 3
- Handling and Maintenance
- Chapter 4
- Troubleshooting
- Chapter 5
- Disassembly, Assembly, and Adjustment
- Small Part Specifications
- Disassembly
- Sub-assembly A
- Main Assembly 1
- Main Assembly 2
- Main Assembly 3
- Main Assembly 4
- Main Assembly 5
- Main Assembly 6
- Main Assembly 7
- Main Assembly 8
- Main Assembly 9
- Main Assembly 10
- Main Assembly 11
- Main Assembly 12
- Main Assembly 13
- Main assembly 14
- Main Assembly 15
- Main Assembly 16
- Main Assembly 17
- Main Assembly 1 (Case Unit)
- Main Assembly 2 (Case Unit)
- Main Assembly 3 (Case Unit)
- Main Assembly 4 (Case Unit)
- Main Assembly 5 (Case Unit)
- Main Assembly 6 (Case Unit)
- Main Assembly 7 (Case Unit)
- Main Assembly 8 (Case Unit)
- Main Assembly 9 (Case Unit)
- Main Assembly 10 (Case Unit)
- Main Assembly 11 (Case Unit)
- Main Assembly 12 (Case Unit)
- Adjustment
- Appendix
- Appendix
- Addendum 1
- Main Circuit Board Types and Maintenance
- Addendum 2
- Lower Plate Change and ROM Spacer Abolition
- Addendum 3
- Auto-Cutter Release Tab Change

Rev. B Appendix A-23
TM-U200 Series (Type B) Service Manual
Confidential
Case Unit Overall Exploded Diagram
This is the diagram that the changes described in Addendum 1, 2, and 3 are taken.
CPS-tite (M3 x 6)
CPS-tite (M3 x 6)
Auto-cutter
assembly
CBS-tite (M3 x 5)
Main cover assembly
CPT-B (M3 x12)
Hinge assembly
Guide roller
Upper case
CPT-B (M3 x12)
CPT-B (M3 x12)
CPT-B (M3 x12)
CPT-B (M3 x12)
CBS-tite (M3 x 5)
CPT-B (M3 x12)
Printer mechanism assembly
Near-end detector lever
(*) For the parallel interface, the CPS-tite ( M3 x 6 ) are used.
Switch panel
Near-end detector frame
Lower plate
CPT-B (M3 x12)
Spacer
Lead wire
ROM cover
assembly
CPS-tite (M3 x 6)
CPS-tite (M3 x 6)
Rubber foot
Rubber foot
CP(O) (M3 x 6)
Near-end detector
Lower case
Paper roll receive rollers
I/F circuit board
assembly
Connector plate
Auto-cutter
plate spring
Auto-cutter
fixing plate
Auto-cutter plate shaft
RE (3)
Auto-cutter
plate spring
shaft
assembly
Auto-cutter lock
lever
RE (2.3)
Auto-cutter
lock lever
spring
Hexagon lock screws (*)
Lower cutter plate
Upper plate
CBS-tite (M3 x 4)
Auto-cutter plate
CBB-tite (M2 x 8)
CP(0) (M3 x 6)
Auto-cutter cover
Main circuit board assembly
CP (O)
(M3 x 6)
CBS-tite
(M3 x 5)
Release
lever
CPS-tite (M3 x 6)