Confidential
EPSON
TITLE
SHEET
REVISION
NO.
SHEETNEXT
B
57 56
TM-T88III series
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
2) Starting the self-test
To start the self-test on a paper roll, hold down the FEED button and turn on the printer with the
cover closed, then the current printer status (*1) is printed.
(*1) • Control software version
• DIP switch settings
3) Self-test standby state
After printing the current printer status, the printer prints the message "Self-test printing. Please
press FEED button." The PAPER OUT LED indicator blinks and the printer enters the test
printing (*2) standby state. Press the FEED button to start test printing.
(*2) • A rolling pattern using only the built-in character set
• A partial cut after completing the test printing
4) Ending the self-test
After a number of lines are printed, the printer indicates the end of the self-test by printing "***
completed ***", initializes, and goes to the standard mode (refer to Section 3.12, Page Mode).