Ef - Document Eject - IBM 4610 SureMark GR3 Programming Manual Supplement

5.11.7 EF - DOCUMENT EJECT

This command is used to request the printer to do line feeds of the document until EOF sensor is broken.
5.11.7.1 Command Format
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BYTE BIT CONTENT
0-1 1B66 - command prefix
2 EF - Document Eject
3 Cmd. Extension
7-1 Reserved (always = ' 0 ' )
0 Orientation Print and Direccion
0 = Portrait - Forward
1 = Portrait - Reverse
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TYPE LENGTH
hex 2
hex 1
hex 1