[cups.general] cups 1.4 will not detect printer

[Michael Sweet]

CUPS 1.4 uses, by default, a new libusb-based USB backend. Make sure  
that the "lp" user has permission to read and write the USB files in / 
proc.

On Sep 3, 2009, at 9:56 AM, Matthew wrote:

> Hello!
>
> I upgraded from cups 1.3.11 to 1.4 to find out that my printer would  
> not print anything. After doing some research it appears that cups  
> can not find my printer. I get "Processing - "Waiting for printer to  
> become available..."" in the webgui. I removed all configs in /etc/ 
> cups/ and reinstalled cups 1.4. When I went to add a printer, it did  
> not detect the usb printer.
>
> Here is my error.log (debug): http://pastebin.com/m37775cb0
>
> I am running Arch Linux. I have a Brother HL-2140 using the hpijs- 
> pcl5e driver.
>
> dmesg output:
>
> dmesg | grep usblp
> usblp0: USB Bidirectional printer dev 3 if 0 alt 0 proto 2 vid  
> 0x04F9 pid 0x0033
> usbcore: registered new interface driver usblp
> usblp0: removed
> usblp0: USB Bidirectional printer dev 4 if 0 alt 0 proto 2 vid  
> 0x04F9 pid 0x0033
>
> If I install cups 1.3.11 everything works fine, I do not even need  
> to reboot, just restart the cups server.
>
> Let me know what other information is needed.
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___________________________________________________
Michael Sweet, Senior Printing System Engineer