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PostScript

duplexmode

— duplexmode boolean

queries the current value for the Duplex page device parameter.

true printing mode is duplex false printing mode is simplex

Note: For printers that do not support duplexing, this value is always false.

This operator is equivalent to executing the following PostScript emulation sequence:

currentpagedevice /Duplex get

Error: stackoverflow

enginesync

— enginesync boolean

indicates if the printer waits for the last page of a job to print before returning a Ctrl-D to the host computer.

Error: stackoverflow

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Image 243
Lexmark Printer manual Duplexmode, Enginesync