[Bug 29050] Re: cupsys does not automatically detect parallel printer

[Mark W. Tomlinson]

Martin - my system supports 4 parallel port modes: output only, bi-directional, EPP and ECP.  None of the settings cause any change in the behavior of cupsys ("no printer found").  I added comments (;) to my terminal output:

mark at anduril:~$ dmesg|grep lp0		;Output only mode
[4294688.737000] lp0: using parport0 (interrupt-driven).
mark at anduril:~$
mark at anduril:~$ dmesg|grep lp0		;Bi-directional mode
[4294689.781000] lp0: using parport0 (interrupt-driven).
mark at anduril:~$
mark at anduril:~$ dmesg|grep lp0		;EPP mode
[4294692.569000] lp0: using parport0 (interrupt-driven).
mark at anduril:~$
mark at anduril:~$ dmesg|grep lp0		;ECP mode
[4294688.682000] lp0: using parport0 (interrupt-driven).
[4294764.613000] lp0: ECP mode
mark at anduril:~$

Also, my BIOS allows 3 separate parallel port states: disabled, enabled (select I/O, IRQ & DMA) and auto.  Again, choosing between enabled and auto made no difference.

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cupsys does not automatically detect parallel printer
https://launchpad.net/bugs/29050