hi , Till Kampeter
my case is only with the 0.9.20-1 ipp-usb version for testing / sid only .
the stable version i put instead works perfectly .
waiting for your advices and your debugging .
(if you want)
thanks ,
friendly ,
respectfully,
alain.
Le 24/04/2022 à 10:51, Till Kamppeter a écrit :
@BELLECalain <https://github.com/BELLECalain> do all versions of
ipp-usb not work with kernel 5.17? Or is it only the new 0.9.20 version?
Thanks, @tangyanli <https://github.com/tangyanli> USB printing (7/1/x)
has currently 4 different protocols: x = 1 is mon-directional
streaming, x = 2 is bi-directional streaming, x = 3 is IEEE-1284
packaet format (AFAIK only used by HPLIP currently), x = 4 is
IPP-over-USB.
IPP-over-USB devices (7/1/4) ALWAYS print and scan driverless. For
printing this means at least one of AirPrint, IPP Everywhere, Mopria,
or Wi-Fi Direct Print is supported (or at least IPP 2.0 plus
understanding at least one page description language of PDF, Apple
Raster/URF, PWG Raster, PCLm), for scanning this means to understand
at least one of eSCL and WSD/WS Scan.
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