Epson Stylus Pro 4000 Reference Manual page 175

This function is effective only when the print data length is shorter
than the printable width of the roll paper. The print data will
automatically be turned 90 degrees to print crosswise, saving roll
paper.
Original
To enable this function, select Auto Rotate.
Print Page Line
This function lets you to specify whether to print a page line on
the right side and also below the printed data for manual cutting.
To enable this function, select Print Page Line.
The Print Page Line operation changes according to the Auto Cut
setting. Check these settings as necessary by referring the printer's
operation.
Auto Cut
Single Cut
Double Cut
Normal Cut
Single Cut
Double Cut
Normal Cut
Off
Off
Auto Rotate off
Print Page Line Printer's Operation
Selected Prints page line on the right side only, and
cuts paper automatically after the print
job.
Not selected Does not print page line, and cuts paper
automatically after the print job.
Selected Prints page lines on the right side and
below the printed data, but does not cut
paper automatically after the print job.
Not selected Does not print page lines nor cut paper
automatically after the print job.
Printing with Mac OS 8.6 to 9.x
Auto Rotate on
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