Memory Switch Setup Mode - Epson TM-U220 Series Service Manual

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Memory Switch Setup Mode

The following items are specified in the memory switch setup mode:
Basic Serial communication condition (Serial communication)
Receive buffer full release condition (Msw 8-7)
Roll paper width (Customize value)
Cover open status (Msw 8-5)
Note:
All new settings will be lost if the power supply is turned off during the memory switch setup mode. Be
sure to follow the proper procedure, and turn the power off at the correct time.
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 LED are lighting.
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 flashing. The flashing time indicates "The times of
FEED button is pressed before the roll paper cover is close.
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.
Selecting individual settings
Basic serial interface setting
To select transmission conditions, first choose "Serial interface settings"; then select "Data
length, handshake, or parity."
5-12 Adjustment and Setting Rev. A