Can't print to parallel port with Fedora 14

[Frank Elsner]

On Sat, 05 Feb 2011 16:25:40 +0000 Colin Paul Adams wrote:
> I have a laser printer which was working fine. Unfortunately the
> computer to which it was attached (which was running Fedora 12) proved
> to be sick.
> 
> So I've tried moving the printer to two other computers in turn (one
> 32-bit, one 64-bit) running Fedora 14. I cannot get it to work on either
> of them.
> 
> I get the message: 
> 
> lp: driver loaded but no devices found
> 
> I tried googling which suggested trying:
> 
> alias parport_lowlevel parport_pc
> options parport_pc io=0x378,0x278 irq=7,auto
> 
> although this was rather an old message. I tried this and got:
> 
> Feb  5 16:14:17 susannah kernel: [  582.886574] parport 0x378 (WARNING): CTR: wrote 0x0c, read 0xff
> Feb  5 16:14:17 susannah kernel: [  582.886579] parport 0x378 (WARNING): DATA: wrote 0xaa, read 0xff
> Feb  5 16:14:17 susannah kernel: [  582.886581] parport 0x378: You gave this address, but there is probably no parallel port there!
> Feb  5 16:14:17 susannah kernel: [  582.886601] parport0: PC-style at 0x378, irq 7 [PCSPP,TRISTATE]
> Feb  5 16:14:17 susannah kernel: [  582.967136] parport 0x278 (WARNING): CTR: wrote 0x0c, read 0xff
> Feb  5 16:14:17 susannah kernel: [  582.967140] parport 0x278 (WARNING): DATA: wrote 0xaa, read 0xff
> Feb  5 16:14:17 susannah kernel: [  582.967141] parport 0x278: You gave this address, but there is probably no parallel port there!

The parallel interface may be disabled in BIOS.


--Frank Elsner