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11-23-2001, 03:26 PM
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#1
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LQ Newbie
Registered: Aug 2001
Location: France
Distribution: RH 7.2
Posts: 23
Rep:
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Why is the /dev/usb/lp0 not recognized ...
I got a Canon BJC-2100
Impossible to print with, it has 2 connectors (LPT1 & USB ) but I don't have any LPT1 cable so I wanted to use Usb connection ...
I don't know why it doesn't work ... Is there a way to configure/test the usb ?
Can somebody help me ???
Here is what happens ( with lpq ) :
Printer: canon@localhost
Queue: 1 printable job
Server: pid 1471 active
Unspooler: pid 1472 active
Status: cannot open '/dev/usb/lp0' - 'No such device', attempt 1, sleeping 10 at 23:21:00.098
Rank Owner/ID Class Job Files Size Time
1 root@localhost+470 A 470 /usr/share/printconf 18255 23:21:00
Thanks ...
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11-23-2001, 04:32 PM
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#2
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Senior Member
Registered: Apr 2001
Location: Perry, Iowa
Distribution: Mepis , Debian
Posts: 2,694
Rep:
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try /dev/usb/usblp0
other usb devices work properly?
usb printing enabled in the kernel config?
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11-24-2001, 04:11 PM
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#3
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LQ Newbie
Registered: Aug 2001
Location: France
Distribution: RH 7.2
Posts: 23
Original Poster
Rep:
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Thanks for your very fast answer :
 - I don't have the usblp0 driver in /dev/usb/
 - I will try my scanner for testing the usb
 - I don't know how to configure the kernel to enable usb printing, but I'll first try to configure the scanner ...
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11-25-2001, 03:18 AM
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#4
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Senior Member
Registered: Sep 2001
Location: Brisvegas, Antipodes
Distribution: Slackware
Posts: 4,590
Rep:
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Make sure your loading the usb modules, do "lsmod" as root and look for printer and usb-uhci or usb-ohci (which one depends on what chip set is on your mother board). Have a look at file:/usr/src/linux/Documentation/usb to determine which one you need.
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11-25-2001, 05:55 AM
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#5
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LQ Newbie
Registered: Aug 2001
Location: France
Distribution: RH 7.2
Posts: 23
Original Poster
Rep:
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I got USB UHCI but it was impossible for me to configure the usb scanner,
I don't have any Usb docs, can you help me further please ???
USB UHCI Root Hub
Serial Number: 10c0
Speed: 12Mb/s (full)
Number of Ports: 2
Bandwidth allocated: 0 / 900 (0%)
Total number of interrupt requests: 0
Total number of isochronous requests: 0
USB Version: 1.00
Device Class: 09(hub )
Device Subclass: 00
Device Protocol: 00
Maximum Default Endpoint Size: 8
Number of Configurations: 1
Config Number: 1
Number of Interfaces: 1
Attributes: 40
MaxPower Needed: 0mA
Interface Number: 0
Name: hub
Alternate Number: 0
Class: 09(hub )
Sub Class: 0
Protocol: 0
Number of Endpoints: 1
Endpoint Address: 81
Direction: in
Attribute: 3
Type: Int.
Max Packet Size: 8
Interval: 255ms
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11-25-2001, 06:13 AM
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#6
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Senior Member
Registered: Sep 2001
Location: Brisvegas, Antipodes
Distribution: Slackware
Posts: 4,590
Rep:
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If you install the kernel source rpm you will get all the Docs in /usr/src. Make sure the src.rpm version matches your kernel version. For general linux usb info go to linux-usb.org. For the printer do "modprobe printer" as root and add "/sbin/modprobe printer" to one of the files in "/etc/rc.d" you'll have to look for the one that has the other kernel modules in it. In slackware its called "/etc/rc.d/rc.modules" but could have a different name in redhat. After the "printer" module is installed do "printconf" as root to add the printer with the redhat wizard. More info on printconf here.
Last edited by Aussie; 11-25-2001 at 06:25 AM.
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11-25-2001, 11:39 AM
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#7
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LQ Newbie
Registered: Aug 2001
Location: France
Distribution: RH 7.2
Posts: 23
Original Poster
Rep:
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Thanks a lot Aussie, I think that with all these information I'll find what I need ...
C U Later and maybe I'll reply one more time (  )
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