Epson TM L90 - Setting;Checking Modes of TM-L90 Other than 4** Models, TM-L90 Peeler Other than 39* Models; Self-Test Mode

82 Setting/Checking Modes
Note:
Do not use this mode when using OPOS. To do so will cause continuous polling, ending in undesirable
results.
4.2 Setting/Checking Modes of TM-L90 other than 4** models, TM-L90
Peeler other than 39* models
Besides the ordinary print mode, the printer has the following modes to set or check settings of
the printer.
❏ Self-test Mode
❏ Memory Switch Setting Mode (page 83)
❏ Hexadecimal Dump Mode (page 84)
The mode is selected depending on the operation performed when turning on the printer.
4.2.1 Self-test Mode
You can check the following items using the self-test.
❏ Firmware version
❏ Interface type
❏ Receive buffer size
❏ BUSY condition
❏ Resident font
❏ Whether or not there are auto carriage returns
Close the roll paper cover, and turn on the printer while pressing the FEED button.
Self-test
Open the roll paper cover, and turn on the printer while pressing the FEED button, and
then close the roll paper cover.
(For Peeler Models only) Load paper in the paper path, and then press the FEED button.
Hexadecimal Dumping
Open the roll paper cover, and turn on the printer while pressing the FEED button, and
then press the FEED button twice and close the roll paper cover.
(For Peeler Models only) Load paper in the paper path, and then press the FEED button.
Memory Switch Setting