to initiate the self-test mode, depress the menu button. press menu button to scroll the cursor to printer test. press exe button to enter the submenu and press menu button to “printer config”. item. press exe button to print printer internal setting. in self-test, a check pattern is used to check the performance of the thermal print head. following the check pattern, the printer prints internal settings as listed below:

    1. printer model and firmware version

    2. check sum

    3. serial port setting

    4. code page setting

    5. country code setting

    6. print speed setting

    7. print density setting

    8. label size setting

    9. gap (bline) width and offset setting

    10. backing paper transparence

    11. file list

    12. memory available