User`s guide

revision
Syntax: revision integer
Function An integer designating the current revision level of the
machine-dependent portion of the PostScript
interpreter.
Default Ø
The resettodefaults operator
PostScript provides a way to return your printer to all of its default
factory settings, except pagecount and defaultpapertray. You
may use this operator as a safeguard in case you really mess things
up and want to return all volatile (persistent) and non-volatile
parameters to the factory configuration.
resettodefaults
Syntax: resettodefaults
Function Resets all persistent, volatile and non-volatile
parameters to the factory configuration. You must cycle
the printer off and on for this command to take effect.
Default Listed on the test configuration page.
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Chapter 10
PostScript: Operator Dictionary 10-33