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Parallel Port Problems

 
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TonyBradley



Joined: Thu Jul 13, 2006 2:40 pm
Posts: 22
Location: Plymouth

PostPosted: Fri Sep 13, 2013 10:43 am    Post subject: Parallel Port Problems Reply with quote

I can't use my parallel printer

The (I think) relevant output of lspci -vvv is...

00:08.0 Parallel controller: NetMos Technology PCI 9865 Multi-I/O Controller (prog-if 03 [IEEE1284])
Subsystem: Device a000:2000
Control: I/O+ Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR+ FastB2B- DisINTx-
Status: Cap+ 66MHz- UDF- FastB2B+ ParErr- DEVSEL=medium >TAbort- <TAbort- <MAbort- >SERR- <PERR- INTx-
Latency: 64, Cache Line Size: 64 bytes
Interrupt: pin A routed to IRQ 11
Region 0: I/O ports at efa0 [size=8]
Region 1: I/O ports at ef88 [size=8]
Region 2: Memory at febf7000 (32-bit, non-prefetchable) [size=4K]
Region 4: Memory at febf6000 (32-bit, non-prefetchable) [size=4K]
Capabilities: <access denied>

In response to Netz, when I say "can't use", I mean the printer simply doesn't respond in any way. It and the cables are working, as I've used them with an old non-Linux box.

A little further info that may shed further light is the following result of grepping dmesg for parport...

[ 6.317307] parport_pc 00:08: reported by Plug and Play ACPI
[ 6.317356] parport0: PC-style at 0x378, irq 5 [PCSPP]
[ 31.039493] lp0: using parport0 (interrupt-driven).

It looks like the printer is assigned to parport0, which I assume to be the motherboard parallel port.. How can I assign it either parport_pc or parport0?

Any ideas/suggestions please?


Last edited by TonyBradley on Sat Sep 14, 2013 1:15 pm; edited 3 times in total
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nelz
Site admin


Joined: Mon Apr 04, 2005 12:52 pm
Posts: 8457
Location: Warrington, UK

PostPosted: Fri Sep 13, 2013 11:27 am    Post subject: Reply with quote

What does "can't use" mean? Can you set it up or not? Once set up, what happens when you try to use it? Any error messages /var/log/cups? What distro are you using? Which printer is it? you haven't given us much (well, anything) to go on.

See the READ THIS FIRST sticky thread.
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wyliecoyoteuk
LXF regular


Joined: Sun Apr 10, 2005 11:41 pm
Posts: 3446
Location: Birmingham, UK

PostPosted: Fri Sep 13, 2013 4:41 pm    Post subject: Reply with quote

Most common cause of failure is BIOS settings.
Parallel port can be EPP, EPC, or standard. (From what I can recall, I haven't seen a parallel port printer for years).
If you have the wrong one selected, it won't work.
try each in turn.
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ferrari
LXF regular


Joined: Tue May 03, 2005 12:09 pm
Posts: 127

PostPosted: Mon Sep 16, 2013 1:34 am    Post subject: Reply with quote

What is reported by
Code:
lsmod |grep par

For reference, I get
Code:
parport_pc             37266  1
parport                46311  3 lp,ppdev,parport_pc


Assuming the necessary modules are loaded, with your printer connected, try running the CUPs parallel backend manually like this
Code:
/usr/lib/cups/backend/parallel

Is the printer detected?
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