Epson TM-U220 Series Service Manual page 16

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Self-test Mode 2: Outputs the same results as the self-test printout of the roll pattern.
Real-time status: Lets you confirm sensor operations, such as cover open/close, in real
time.
Printer status: Lets you read and set the printer values collectively. Also, you can save
the settings to a file, read the set values in the file, and the display the default state. Refer
to the chapter on adjustment settings.
Printer sequence selection
When you click the Next button at the bottom of the communication conditions dialog box, the
printer sequence selection screen appears.
Test printing:
This outputs a test pattern to confirm printer status. Follow the screen instructions to
operate.
Confirmation of the drawer operation:
You can confirm the drawer open function and the change in the open/close status. Follow
the screen instructions to operate.
Setting for notification of power on:
You can enable or disable for the notification function for power on.
Firmware update:
You can update the firmware. Follow the screen instructions to operate.
Main circuit board replacement wizard/back-up wizard/restore wizard:
You can back up the data in the main circuit board and restore it in the repaired product.
Follow the screen instructions to operate.
2-6 Repair Guide
1. Select a printer sequence
to execute.
2. Click Next to proceed.
Rev. A