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Disclosed are the extensions to the IBM Personal Printer ASCII Page Presentation Media (PPM) command 1,2 providing support for paper size and copy number selection.
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Page Presentation Media Command Extensions
Disclosed are the extensions to the IBM Personal Printer ASCII Page
Presentation Media (PPM) command 1,2 providing support for paper size and
copy number selection.
The PPM command is used by the printer to select:
THE PAPER FEED TECHNIQUE
the forms control
the paper source
the paper size
the number of copies
Each paper size is identified by a Paper Size ID. The Paper Size ID is an
unsigned byte which is the 4th data parameter of the PPM command. This ID is
also used by the printer to prompt for paper installation or to select paper using
the printer control panel. The Paper Size IDs are grouped by paper and
envelope sizes. The existing paper feed technique and forms control parameters
are used to identify the type of form (paper or envelope). A Paper Size ID value
of zero indicates that the printer POR default size for the active paper source is
to be used. If the correct size of paper is not installed, then an operator
intervention condition is initiated requesting the installation of the correct paper
The number of copies is an unsigned byte which specifies the number of
copies of each page to be printed. This parameter is the 5th byte of the PPM
command. A value of zero indicates that the previous number of copies is to be
Additionally, the PPM command exception recovery has been extended. If
the specified paper source is not present, then an alternate paper source is
selected. If the optional second pape...