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 Handling and Maintenance 3-15
TM-U200 Series (Type B) Service Manual
Confidential
Lubrication Points
The following table describes the lubrication points, type, and class. The numbers in the
following table correspond to the numbers in the lubrication and adhesive points diagrams in
the Appendix on pages A-7 and A-8.
Tool List
The required tools for this printer are as follows:
❏
Brush #1
❏
Cleaning brush
❏
Phillips screwdriver No. 1
❏
Phillips screwdriver No. 2
❏
Phillips screwdriver No. 2 (with long handle)
❏
Flatblade screwdriver
❏
Pliers
❏
Retaining pliers #2.3
❏
Thickness gauge (0.50 mm, 0.55 mm, 0.60 mm)
❏
Tweezers
❏
Slanted blade cutter
Lubrication points
No. Lubrication point Lubricant type
(1) Contact points between the carriage shaft and
carriage sub assembly (2 points)
O-10
(2) Ribbon intermediate gear shaft G-31
(3) Both ends of the guide roller G-31
(4) Both ends of the receive roller G-31
(5) Switching points of ribbon switch lever G-31
(6) Switching point of ribbon release lever G-31
(7) Left and right ribbon frame assembly mounting
shaft in the base frame assembly
G-31
(8) Middle of the paper hold roller shaft G-31