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Technical Reference Guide - Page 5
... and installation of a POS system, and also design and development of Interfaces and Connectors Character Code Tables
5 Manual Content
The manual is made up of the following sections:
Chapter 1 Product Overview
Chapter 2 Setup
Chapter 3 Advanced Usage
Chapter 4 Application Development Information
Chapter 5 Handling
Chapter 6 Replacement of the TM-T20
Appendix
Product Specifications...
Technical Reference Guide - Page 15
...The CPU is extremely low. For details, see the TM-T20IIIL Utility User's Manual. CAUTION
Error R/W error in memory
High voltage error Low voltage error CPU execution error Internal circuit connection error
Error description
Error LED flash code
After R/W checking, the printer does not work correctly
ON
Recovers from the driver after turning the printer off the power immediately when an...
Technical Reference Guide - Page 17
...8226; R/E (Receipt Enhancement) • User-defined page • Maintenance counter
As a guide, NV memory rewriting should be printed automatically, as a top logo before receipt printing or as...settings. TM-T20IIIL Utility or Receipt Enhancement Information Print Mode can be used for the confirmation. Chapter 1 Product Overview
NV Memory
The printer is equipped with a serial interface model...
Technical Reference Guide - Page 21
...) in the address bar.
Use Epson TM-T20IIIL Utility or EpsonNet Config to EpsonNet Config User's Guide.
• When LAN cables are installed outdoors, make sure they are connected through a serial interface (RS-232), connect a serial cable to TM-T20IIIL Utility User's Manual. When using connectors equipped with Conventional models, you can check the firmware version using a self-test...
Technical Reference Guide - Page 22
...to the printer.
• Should a fault ever occur, immediately turn on the printer before installing the printer driver.
22
Connecting Procedure
1 Make sure the printer is turned off the power to the power ... that does not meet the rated voltage requirements of the printer. Chapter 2 Setup
Connecting the AC cable
WARNING
• Never insert the AC cable plug into a wall socket.
Technical Reference Guide - Page 25
....
• Do not install the optional external buzzer at the same time by using a branched connector. Chapter 2 Setup
Connecting the Optional External Buzzer
When the optional external buzzer (model: OT-BZ20) is positioned sideways or downward.
25 Use the TM-T20IIIL Utility to make the buzzer settings: enable/disable setting, sound pattern setting, and frequency setting.
• Be sure...
Technical Reference Guide - Page 26
For an outline of the functions, see "Software Setting Mode" on
page 37.
26 Item/Method
Software Setting Mode Epson TM-T20IIIL Utility
Automatic line feed
✔
USB power-saving function
✔
Pre-feed before next print
✔
Memory Switches
Error signal output
✔
Data processing with reception error
✔
Recovery conditions from receive buffer BUSY
✔
...
Technical Reference Guide - Page 32
... data
Resizing
• No resizing (default setting) • Automatic shrinking • Manual adjustment
Algorithm
• Thinning out method • Nearest neighbor method (default setting) • Bilinear method • Bicubic method
Scaling factor (manual adjustment)
50% to 200%
Auto top logo printing
TM-T20IIIL Utility does not support the setting for Number of lines to be deleted...
Technical Reference Guide - Page 46
For details, see the "EPSON OPOS ADK for .NET MANUAL Application Development Guide POS Printer (TM-T20IIIL)".
For details, see the ESC/POS Command Reference. ESC/POS Commands
Use the buzzer control command or the output command for opening the drawer. For Windows Printer Drivers (APD)
Use the DirectIO function or the API for the specified pulse...
Technical Reference Guide - Page 48
... UNIX Printing System (CUPS) on GNU/Linux. Chapter 4 Application Development Information
Drivers
Software EPSON Advanced Printer Driver (APD) EPSON TM Virtual Port Driver
Mac Printer Driver
Epson TM/BA Series Thermal Printer Driver
Description
In addition to ordinary Windows printer driver functions, this driver has controls specific to print images, text, and vector graphics etc., that an...
Technical Reference Guide - Page 49
...4 Application Development Information
Utilities
Software TM-T20IIIL Utility
EpsonNet Config Epson Deployment Tool Epson Monitoring Tool
Description
A utility for the first time, or when configuring multiple TM printers at the same time. Use to the network.
www.epson.com/support/
For customers in other countries, go to : • Check the current settings • Test operation •...
Technical Reference Guide - Page 51
... open the roll paper cover during printing. For details about paper specification, see "Paper Specifications" on page 62.
• Paper must not be damaged.
• Do not touch the manual cutter with your hands when installing or replacing the roll paper.
Installing and Replacing Roll Paper
CAUTION
• Do not open lever
51
Chapter 5 Handling
Handling
This...
Technical Reference Guide - Page 56
... for the replacement.
Driver Compatibility
You can smoothly replace the TM-T20.
Print Speed
The TM-T20IIIL prints faster than the TM-T20. Cutting Method
TM-T20IIIL uses the same partial cutting method as those of the TM-T20
The TM-T20IIIL is automatically adjusted. Logo Registration
The TM-T20IIIL can enable the USB low power consumption mode using the Epson TM-T20IIIL Utility.
56...
Technical Reference Guide - Page 57
... to automatic method. For the registration method, see the Technical Reference Guide of 79.5 mm ±0.5 mm. Chapter 6 Replacement of the TM-T20
Paper Width
TM-T20IIIL can only use paper width of the TM-i/DT printer.
57
If Connecting as a Peripheral Device of the TM-T20IIIL has been changed from a TM-i/DT printer, register it is powered on.
Technical Reference Guide - Page 67
...
USB device class
Both USB vendor-defined class and USB printer class are supported. USB descriptor
Vendor ID
Product ID
Manufacturer
String Descriptor
Product Serial number
USB vendor-defined class 04B8h 0202h EPSON TM-T20IIIL Character string based on the product serial number
USB printer class 04B8h 0E27h EPSON TM-T20IIIL Character string based on page 26.
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