Specifications

Confidential
EPSON
TITLE
SHEET
REVISION
NO.
SHEET NEXT
E
66 65
TM-L90
Specification
(STANDARD)
3.5 Self-test
1) The printer has a self-test function that checks the following:
• Control circuit functions
• Printer mechanisms
• Print quality
• Control software version
• DIP switch settings
• Memory switch settings
• Paper width to be set
2) Executing the self-test
[Starting the self-test]
To start the self-test on roll paper, hold down the paper FEED button and turn on the printer with
the cover closed, and continue holding down the paper FEED button until the ERROR LED comes
on; then the current printer status (*1) is printed.
(*1) • Control software version
• DIP switch settings
• Memory switch settings
(The contents of the memory switch settings may not be the same as the actual print in
the self-test. If the paper layout is not saved in memory, the printer prints “6553.5.”)
[Self-test standby state]
After printing the current printer status, the printer prints the message "If you want to continue
SELF-TEST printing, please press FEED button." The PAPER OUT LED indicator flashes and
the printer enters the test printing (*2) standby state. Press the paper FEED button to start test
printing.
(*2) • Prints with a rolling pattern using only the built-in character set
• Autocuts after completing the rolling pattern printing
• Feeds to the print starting position
3) Ending the self-test
After a number of lines are printed, the printer indicates the end of the self-test by printing
"∗∗∗ completed ∗∗∗," and initializes.