Contains the name of the PDL. For ESC-P, the name is
`ESC-P'.
Additional information:
This object is only supported if ESC-P option is
installed.
Returns an <noSuchName> status if
attempting to perform a Get on this OID with no ESC-P
option installed.
Returns <noSuchName>
status if attempting to perform a Set, EnableTrap, or
DisableTrap on this OID with no ESC-P option
installed.