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 Features and General Specifications 1-5
TM-U200 Series (Type B) Service Manual
Confidential
Auto Cutter
Partial cut is executed by a command. (A partial cut leaves one point uncut.)
Paper Roll Supply Device
Receive Buffer
ANK font model: Either 1000 bytes or 40 bytes, selectable by DIP switches.
Multilingual fornt model: Either 512 bytes or 40 bytes, selectable by DIP switches.
Electrical Specifications
Ribbon Cassette
Ribbon cassette specifications
(*1)
Ribbon life is based on the following conditions:
Character font:7 x 9 font (with descenders)
Print pattern:ASCII 96-character rolling pattern. See the specification published by EPSON for the print
pattern example.
NOTE:
Malfunctions and other problems may occur if a ribbon cassette other than the specified one is used.
Supply device:
Drop-in loading
Power supply
One of the following five AC adapters is included, depending on
the specifications:
AC adapter specifications
Power consumption
(except when driving
drawer kick-out):
Operating: Mean average 43 W
Standby: Average 6 W
Model number Color Ribbon life (*1)
ERC-38 (P) Purple 4 million characters (with continuous printing at 25° C [77° F])
ERC-38 (B) Black 3 million characters (with continuous printing at 25° C [77° F])
ERC-38 (B/R) Black and
Red
Black: 1.5 million characters (with continuous printing at 25° C [77° F])
Red: 750,000 characters (with continuous printing at 25° C [77° F])
Settings and
shipment Input voltage range
Model
name
Japan 100 V ± 10%, 50/60 Hz PA-6508
North America 120 V ± 10%, 60 Hz PB-6509
Europe (Germany) 230 V ± 10%, 50 Hz PB-6510
Europe (U.K.) 230 V ± 10%, 50 Hz PA-6511
Australia 240 V ± 10%, 50 Hz PA-6513