[cups.general] lineprinters in raw mode how-to

[Johannes Meixner]

Hello,

On Mar 8 12:18 marcchogh001 at msn.com wrote (shortened):
> we have some lineprinters, which should be driven in "raw mode"

If you really want "raw mode", set up a queue without specifying
a PPD file, see the CUPS documentation or see for example
http://en.opensuse.org/SDB:CUPS_in_a_Nutshell

Note that "raw" means really raw.
No filtering will take place. The original print data will be sent
directly from the backend to the recipient (normally the printer)
as is (in "raw" form). It is not possible to convert the line break
(e.g. LF -> CR+LF) or append a form feed at the end to force the
printer to eject the last sheet.
A "System V style Interface Script" can be used for this purpose. 
Regarding "System V style Interface Script" see the man page
"man lpadmin" and see the "CUPS Software Programmers Manual"
"Writing Filters" and "Writing Backends" and see the man page
"man filter" and for an example see
http://en.opensuse.org/SDB:Using_Your_Own_Filters_to_Print_with_CUPS


Kind Regards
Johannes Meixner
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