Rev. A Setup 3-23
TM-U220II Technical Reference Guide
Communication condition settings for USB interface
Conditions can be set by ESC/POS command or utility software.
3.4.4 Memory Switch Setup Mode
The following items are specified in the memory switch setup mode:
❏ Basic Serial communication condition (Serial communication)
• Transmission speed
•Parity
• Handshaking
•Data length
❏ Automatic Paper Reduction (Customized value)
❏ Roll paper width (Customize value)
❏ Cover open status (Msw 8-5)
❏ USBpower-savingfunction
Note:
All new settings will be lost if the power supply is turned off in the memory switch setup mode. Be sure to
follow the proper procedure, and turn the power off at the correct time.
3.4.4.1 Starting the memory switch setup mode
Use the following procedure to start the memory switch setup mode.
1. Open the roll paper cover.
2. Turn the power on while pressing the paper FEED button.
3. Press the FEED button twice while POWER, ERROR, and PAPER OUT LEDs are lit.
4. Close the cover. The printer prints the enabled settings of the memory switches and
instructions.
5. Follow the instructions to process the switch setup.
Note:
In the memory switch setup, the paper out LED may be flashing. The flashing time indicates “The times of
FEED button is pressed before the roll paper cover is closed.“
3.4.4.2 Ending memory switch setting mode
Once the setting is performed, the contents of the setting are stored. Then the printer initializes.
When initialization is finished, the printer returns to normal operating mode.
Function Selectable value
Class Vendor-defined class (default) printer class
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