User`s guide

Other Operators in the statusdict
There are several additional statusdict operators. They have to do
with the operation of the printer and are not intended for execution
by user programs, but may be useful for obtaining information.
dostartpage
Syntax: dostartpage boolean
Function Returns the boolean that specifies whether a test page
is printed at power-on.
Default true
Errors stackoverflow
setdostartpage†
Syntax: boolean setdostartpage
Function Specifies whether or not the printer is to print a test page
upon subsequent power-on.
Errors invalidaccess, stackunderflow, typecheck
Chapter 10
10-28 PostScript: Operator Dictionary