Generally, bi-directional backends provide for a better user
experience. But, as you've probably deduced from reading the CUPS
documentation and sample code, there's no requirement that read be
implemented in your backend. You should implement a unique URI, and
not reuse the "usb:" schema that Apple's backend uses.
Good luck.
-olav
On Oct 23, 2005, at 10:16 PM, Vamsi Krishna wrote:
Is it mandatory to implement the read functionality in the backend?.
Is it printer server or printer module expects data ( read data )
from the parallel printer device?
Is there anysettings in the Mac OS to disable bi-directional
support for the parallel port like Microsoft Windows? (i.e. To
disable the reads from the device ).
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