Epson TM-U220 Guide for right side up printing - Page 11

Confidential 2.1 Using specific commands Before running the application program, turn off DIP switch 1-1 (printing mode: normal) and 1-2 (receive buffer: 4KB) or you can't print with right side up printing mode. 2.1.1 The flow of using specific commands The following figure shows the flow of right side up printing using specific commands. Start Step1. Transmit [GS ( z 2 0 0 S] command to the printer. * this command means ìstart reverse block.î Step2. Transmit the print data for the reverse block (right side up printing.) * During this step, the printer stores the print data in the receive buffer. * During this step, some commands are forbidden to be transmitted to the printer. See ìForbidden/Restricted commands for right side up printing mode (page 8)î. Step3. Transmit [GS ( z 2 0 0 E] command to the printer. * this command means ìend reverse blockî End The printer prints the print data which is stored in step 2. Rev. A 3