Chapter 3 Description Of Functions; Switch And Button; Feed Button; Power Supply Switch - Epson TM-L90 Developer's Manual

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Chapter 3
Description of Functions

Switch and Button

FEED Button

The FEED button can be disabled with ESC c 5 command. When it is disabled, the FEED button
cannot function.
The printer feeds paper based on the line spacing set by the ESC 2 or ESC 3 command.
However, paper feeding using the FEED button cannot be performed under the following
conditions:
• When the paper roll cover is opened.
• During cleaning.
• During self test printing, pressing the FEED button stops the self test temporarily and
pressing again and restarts the self test.
• When the FEED button has a defined function in a macro definition command.

Power Supply Switch

Turning the power on and off using this switch is the normal operation. You can enable or
disable power supply this switch using DIP SW1-1.
Power supply switch enabled
When the TM is turned off:
The TM is powered ON when the power supply switch is pressed more than 1 second.
When the TM is turned on:
The TM is powered OFF when the power supply switch is pressed more than 3 seconds.
If for some reason pressing the power switch even more than 10 seconds does not turn the
power off, the TM executes a forced power off.
Power supply switch disabled
When the power supply switch is disabled, the circuit is the same condition as always having
the power supply switch on. Therefore if power is supplied from the system, the TM is on, and if
power is not supplied by the system, the TM is forced off. In this condition, printer is powered
off without power off process(*) therefore execute the software power off process from
command in system. (use DLE DC 4)
When the power switch is set disabled, power off through command process is not main power
off and power LED is blinking.
And if the power switch is disabled and an unrecoverable error occurs, press the power supply
switch more than 3 seconds to reset the TM only. This is true for both recoverable and
unrecoverable errors.
* Power off process :TM stores the latest TM condition and locks the head carriage before power down.
Rev. A
TM-L90 Developer's Guide
Description of Functions 3-1