Product specifications
Table Of Contents
- Cover
- For Safety
- About this Manual
- Contents
- Chapter1 Overview and Basic Operations
- Chapter2 Setup
- Chapter3 Preinstalled OS Information
- Chapter4 Utility
- Chapter5 Setting the Printer Driver
- Chapter6 Application Development Information
- Chapter7 Maintenance
- Appendix

56
TM-C3400LT Utility
This is for setting the touch panel brightness settings, media source, and verifying the printer status.
This utility cannot be started if the power of the printer is not on.
If the power of the printer is off, use [Printer power ON/OFF] to turn on the power of the
printer before starting the utility.
A shortcut to this utility is created on the desktop.
<Storage location of the execution file>
C:\Program Files\EPSON\TM-C3400-LT TOOL\TMC34LT_UTIL.exe
Item Description
Brightness
Adjusts the display brightness.
The adjusted value is saved in TMC34LT_UTL.ini.
Media source
Sets the media source. Select from the following.
Roll media
Fanfold media
Printer status
Displays the printer status.
(For details, see "Printer status" on page 57.)
Cancel Closes the utility without saving the settings and changed value.
Save&exit Saves the settings and changed value and closes the utility.
The media source can be changed only when there is no paper loaded, the roll paper cover
is shut, and the printer is in an idle state.