Chapter 3 Advanced Usage In 1 and 2, the following guidances are printed, the Power LED flashes, and instructs the user's operations. 1. Continuing self-test guidance 2. Mode selection guidance 3 57 Self-test mode You can check the following items using the self-test. Firmware version Product serial number Interface information Loaded font Maintenance information (head mileage) Follow the steps below. 1 Close the roll paper cover. 2 While pressing the FEED button, turn on the printer. (Hold down the FEED button until printing starts.) After printing the current print status, a Continuing self-test guidance is printed, and the Power LED flashes.
3 Briefly press the FEED button (less than one second) to continue the self-test. The printer prints a rolling pattern on the roll paper, using the built-in character set. After “*** completed ***” is printed, the printer initializes and switches to standard mode.