Open System Services Shell and Utilities Reference Manual (G06.29+, H06.08+, J06.03+)

User Commands (k - l) lp(1)
If the operation is successful, the exit status 0 is returned and the following messages are
written to the standard output file:
file 1 is routed to hplp with request id: 1
/G/system/vol/subvol/file is routed to hplp with request id: 2
The header for the banner is "myprint."
EXIT VALUES
The following exit values are returned:
0 All input files were processed successfully.
>0 No output device was available, or an error occurred.
RELATED INFORMATION
Commands: cancel(1), lpstat(1).
STANDARDS CONFORMANCE
Spooling is a Guardian operation.
Extensions have been added to the lp command in order to support the Guardian environment.
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