Lexmark C910 - Page 219

PostScript
4-23
setuniversalsize
— integer integer integer (string) setuniversalsize
changes the current settings for the Universal paper size. Each parameter on the
stack indicates:
Universal Width minimum to maximum width in points
Universal Height minimum to maximum height in points
Universal Feed Direction
0 short edge
1 long edge
Custom Universal Prompt String String must be 16 characters or less.
Error: rangecheck, stackunderflow, typecheck