Comment 11 for bug 55663

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Graham White (graham-dcs) wrote : Re: [Bug 55663] Re: Parallel port problems with cupsys

One more thing about the parallel port: I get messages like

Aug 16 11:24:53 localhost kernel: [68538.182942] ppdev0: negotiated back to compatibility mode because user-space forgot

in /var/log/syslog, whenever the parallel port printing terminates (on the rare occasions
when it happens to work, that is). Which argues that there's something wrong
with the parallel port implementation.

Graham