Epson EPL-N7000 Reference Manual page 132

Font Substitution Table
Double-click to display the Font Substitution Table and the
options for the TrueType-to-PostScript font mapping.
Available PostScript Memory
Specify the amount of available PostScript memory. The available
PostScript memory is a subset of the printer's total physical
memory. It is recommended that you use the default setting.
Output Protocol
Specify the protocol that the printer will use for print jobs. The
options are ASCII, TBCP, and Binary. Note that Binary can only
be used with AppleTalk connection.
If ASCII is selected, print data is sent in the ASCII (7-bit) format,
which may take longer to print, but which can be sent through
any I/O channel, including serial, parallel, and Ethernet.
If you select TBCP (Tagged Binary Communications Protocol), all
data except for special control characters is sent in binary (8-bit)
format. The binary formats can be sent over parallel or serial
communications ports and are faster then sending data in the
ASCII format.
Send CTRL-D Before Each Job
Specify whether a CTRL+D character should be sent at the
beginning of every PostScript document. CTRL+D at the
beginning-of-file (BOF) will reset your printer to its default
settings to ensure that prior print jobs will not affect the current
print job. However, activating this setting may cause the print job
to fail if it is connected through a network instead of the parallel
or serial interface.
Using the PostScript Printer Driver (Windows)
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