[cups.general] install 4 same printers Epson Stylus T50

Johannes Meixner jsmeix at suse.de
Tue Sep 11 04:01:21 PDT 2012


Hello,

On Sep 6 09:42 Etienne wrote (excerpt):
> I need install 4 same printers Epson Stylus Photo T50.
....
> My CUPS version is 1.4 with Debian Squeeze.
....
> Actually I'm trying install only 2 same T50 Epson printers,
> the first printer its alredy instaled and working.
....
> root at printers:~# lsusb
> Bus 004 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
> Bus 003 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
> Bus 002 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
> Bus 001 Device 004: ID 04b8:0007 Seiko Epson Corp. Printer
> Bus 001 Device 002: ID 04b8:0007 Seiko Epson Corp. Printer
> Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
>
> root at printers:~# lpinfo -v
> network ipp
> network http
> direct scsi
> network socket
> serial serial:/dev/ttyS0?baud=115200
> network beh
> network lpd
> direct hp
> direct usb://EPSON/Stylus%20Photo%20T50
> network dnssd://TOSHIBA%20e-STUDIO720-04432109._printer._tcp.local/
> network dnssd://TOSHIBA%20e-STUDIO720-04432109._ipp._tcp.local/
> network dnssd://TOSHIBA%20e-STUDIO720-04432109._pdl-datastream._tcp.local/
> direct hpfax
> network socket://192.168.1.108

It seems all Epson Stylus Photo T50 devices report same
USB identifiers at the USB so that all of them are
recognized only as one device.

It might be possible to work around the issue by using selfmade
backends with hardcoded USB path for each device, see
"A careless backend for a single USB printer" at
http://en.opensuse.org/SDB:Using_Your_Own_Backends_to_Print_with_CUPS
as an example how to make a careless backend for a USB printer.


Kind Regards
Johannes Meixner
-- 
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