Specifications

CONFIDENTIAL
Paper roll Status commands GS a
Ver. 10.05 p. 321
TM-U230
The default value is set by DIP switch 1-8.
■ Second byte (printer information)
• Bit 1 of the second byte is undefined.
TM-U220
The default value is set by DIP switch 1-8.
■ Second byte (printer information)
• Bit 0, and 1 of the second byte are undefined.
■ Basic third byte (paper sensor information)
• The roll paper near-end sensor is an option. If the printer is not equipped with the paper near-end sensor,
bits 0 and 1 of the third byte are always ON, “Paper adequate.”
• When the cover is open, the status of the roll paper end sensor (bit 2, 3) retains the value when the cover
was closed immediately before.