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Old 12-31-2011, 02:48 AM
Mark LaPierre
 
Default Parallel Port Issues

Anyone know how to find out if the parallel port is recognized? I have
a parallel port printer connected to my machine but I can't seem to get
it working.


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Old 12-31-2011, 03:05 AM
Patrick Lists
 
Default Parallel Port Issues

On 31-12-11 04:48, Mark LaPierre wrote:


Anyone know how to find out if the parallel port is recognized? I have a
parallel port printer connected to my machine but I can't seem to get it
working.


It's been ages since I used a parallel port so not sure but have you
checked /var/log/messages? If there's nothing in there maybe turn the
printer off and on again while doing $ sudo tail -f /var/log/messages
and see if there's any output. Do you have the appropriate kernel
modules loaded like lp, parport and parport_pc?


$ modinfo lp
filename: /lib/modules/3.1.6-1.fc16.x86_64/kernel/drivers/char/lp.ko
license: GPL
alias: char-major-6-*
srcversion: 27AEFDE12562FE797EC95EE
depends: parport
vermagic: 3.1.6-1.fc16.x86_64 SMP mod_unload
parm: parport:array of charp
parm: reset:bool

$ modinfo parport_pc
filename:
/lib/modules/3.1.6-1.fc16.x86_64/kernel/drivers/parport/parport_pc.ko

license: GPL
description: PC-style parallel port driver
author: Phil Blundell, Tim Waugh, others
srcversion: CF8320136E57DFCBBECA782
alias: acpi*:PNP0401:*
alias: pnp:dPNP0401*
alias: acpi*:PNP0400:*
alias: pnp:dPNP0400*
alias: pci:v0000135Cd00000278sv*sd*bc*sc*i*
alias: pci:v00009710d00009865sv0000A000sd00002000bc*sc*i*
alias: pci:v00009710d00009865sv0000A000sd00001000bc*sc*i*
alias: pci:v00009710d00009901sv0000A000sd00002000bc*sc*i*
alias: pci:v00009710d00009815sv*sd*bc*sc*i*
alias: pci:v00009710d00009805sv*sd*bc*sc*i*
alias: pci:v00009710d00009755sv*sd*bc*sc*i*
alias: pci:v00009710d00009715sv*sd*bc*sc*i*
alias: pci:v00009710d00009705sv*sd*bc*sc*i*
alias: pci:v000014F2d00000121sv*sd*bc*sc*i*
alias: pci:v0000416Cd00000100sv*sd*bc*sc*i*
alias: pci:v00001415d0000C11Csv*sd*bc*sc*i*
alias: pci:v00001415d0000C118sv*sd*bc*sc*i*
alias: pci:v00001415d0000C114sv*sd*bc*sc*i*
alias: pci:v00001415d0000C110sv*sd*bc*sc*i*
alias: pci:v00001415d0000C104sv*sd*bc*sc*i*
alias: pci:v00001415d0000C100sv*sd*bc*sc*i*
alias: pci:v00001415d0000C004sv*sd*bc*sc*i*
alias: pci:v00001415d0000C000sv*sd*bc*sc*i*
alias: pci:v00001415d00008403sv*sd*bc*sc*i*
alias: pci:v00001415d00009513sv*sd*bc*sc*i*
alias: pci:v00001415d00009523sv*sd*bc*sc*i*
alias: pci:v000014DBd00002121sv*sd*bc*sc*i*
alias: pci:v000014DBd00002120sv*sd*bc*sc*i*
alias: pci:v00009710d00009815sv00001000sd00000020bc*sc*i*
alias: pci:v00009710d00009805sv00001000sd00000010bc*sc*i*
alias: pci:v000014D2d00008001sv*sd*bc*sc*i*
alias: pci:v00001592d00000783sv*sd*bc*sc*i*
alias: pci:v00001592d00000782sv*sd*bc*sc*i*
alias: pci:v00001409d00007268sv00001409sd00009018bc*sc*i*
alias: pci:v00001409d00007268sv00001409sd00000104bc*sc*i*
alias: pci:v00001409d00007268sv00001409sd00000103bc*sc*i*
alias: pci:v00001409d00007268sv00001409sd00000102bc*sc*i*
alias: pci:v00001409d00007268sv00001409sd00000101bc*sc*i*
alias: pci:v000010B5d00009050sv0000D84Dsd00004014bc*sc*i*
alias: pci:v00001407d00008800sv*sd*bc*sc*i*
alias: pci:v00001407d00008003sv*sd*bc*sc*i*
alias: pci:v00001407d00008002sv*sd*bc*sc*i*
alias: pci:v00001407d00008000sv*sd*bc*sc*i*
alias: pci:v0000131Fd00002021sv*sd*bc*sc*i*
alias: pci:v0000131Fd00002020sv*sd*bc*sc*i*
alias: pci:v0000131Fd00001021sv*sd*bc*sc*i*
alias: pci:v0000131Fd00001020sv*sd*bc*sc*i*
alias: pci:v00001283d00008872sv*sd*bc*sc*i*
alias: pci:v00001106d00008231sv*sd*bc*sc*i*
alias: pci:v00001106d00000686sv*sd*bc*sc*i*
depends: parport
vermagic: 3.1.6-1.fc16.x86_64 SMP mod_unload
parm: io:Base I/O address (SPP regs) (array of int)
parm: io_hi:Base I/O address (ECR) (array of int)
parm: irq:IRQ line (array of charp)
parm: dmaMA channel (array of charp)
parm: init_mode:Initialise mode for VIA VT8231 port (spp, ps2,
epp, ecp or ecpepp) (charp)


There are various lp* commands that might help once you have made sure
the appropriate kernel modules are loaded, the parallel port is
recognized by the kernel and active and the cable and printer are ok:
lpstat, lpadmin, lpinfo. They are part of the cups rpm. $ rpm -ql cups
should give you a nice overview of available lp* files.


If all seems ok maybe try $ sudo system-config-printer to add it. I did
not see a way to add a parallel printer but I don't have one so maybe
it's detected dynamic.


Regards,
Patrick
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Old 12-31-2011, 02:41 PM
Aaron Konstam
 
Default Parallel Port Issues

On Fri, 2011-12-30 at 22:48 -0500, Mark LaPierre wrote:
> Anyone know how to find out if the parallel port is recognized? I have
> a parallel port printer connected to my machine but I can't seem to get
> it working.
>
> --
> v
> /(_)
> ^ ^ Mark LaPierre
> Registerd Linux user No #267004
> www.counter.li.org

It is oon my laptop.
--
================================================== =====================
When a fellow says, "It ain't the money but the principle of the thing,"
it's the money. -- Kim Hubbard
================================================== =====================
Aaron Konstam telephone: (210) 656-0355 e-mail: akonstam@sbcglobal.net

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Old 12-31-2011, 11:19 PM
Geoffrey Leach
 
Default Parallel Port Issues

On 12/31/2011 07:41:52 AM, Aaron Konstam wrote:
> On Fri, 2011-12-30 at 22:48 -0500, Mark LaPierre wrote:
> > Anyone know how to find out if the parallel port is recognized? I
> have
> > a parallel port printer connected to my machine but I can't seem to
> get
> > it working.
>
> It is oon my laptop.

Try this:
dmesg -c
unplug the cable to the printer
plug it in again
dmesg

and post the output
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