HP PCL/PJL reference (PCL 5 Printer Language) - Technical Reference Manual Part I

EN Entity Status Responses 16-17
A macro status response might appear as shown below.
PCL
INFO MACROS
IDLIST=“1,3,8,29,32”
User-Defined Pattern Response
The status response for user-defined patterns (inquire entity value
field 2) lists all of the user-defined pattern IDs (“IDLIST=”) for the
patterns in the specified location.
A user-defined pattern response might appear as shown below.
PCL
INFO PATTERNS
IDLIST=“1,2,9,13,27,456”
If the location type is set to 1 (currently selected), then “LOCTYPE=”
and “LOCUNIT=” lines are added.
“LOCTYPE=” is returned for a status location type 1 request only.
It identifies the location type of the currently selected pattern.
“LOCUNIT=” is returned for a status location type 1 request only.
It identifies the location unit of the currently selected pattern.
A user-defined pattern response for the currently selected pattern
might appear as shown below.
PCL
INFO PATTERNS
IDLIST=“88”
LOCTYPE=4
LOCUNIT=2
If the current pattern is set to one of the internal HP-defined patterns
(no pattern ID number assigned), then no number is available and the
response, “ERROR=NONE” is returned.
PCL
INFO PATTERNS
ERROR=NONE