SplControlDevice Return Value - rc
rc (SPLERR) - returns
 Return
code.
NO_ERROR (0)
ERROR_NOT_SUPPORTED (50)
 This request is not
supported by the network.
ERROR_BAD_NETPATH (53)
 The network path cannot
be located.
NERR_NetNotStarted (2102)
 The network program
is not started.
NERR_DestNotFound (2152)
 The print device
cannot be found.
NERR_DestIdle (2158)
 This print device is
idle and cannot accept control operations.
NERR_DestInvalidOp (2159)
 This print device
request contains an invalid control function.
NERR_ProcNoRespond (2160)
 The queue processor
is not responding.
NERR_SpoolerNotLoaded (2161)
 The spooler is
not running.
NERR_InvalidComputer (2351)
 The computer name
is invalid.
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