Starting with HPLIP 0.9.9 usblp is no longer used. Libusb is used
instead of usblp. With hplip 1.6.7 installed, the "usblp0" errors means
you still have old software installed...

-dave

> -----Original Message-----
> From: [EMAIL PROTECTED] 
> [mailto:[EMAIL PROTECTED] On Behalf 
> Of Tim Esselens
> Sent: Tuesday, August 29, 2006 11:45 AM
> To: [email protected]
> Subject: Re: [Hplip-help] officejet 4xxx ADF problems in 
> recent versions?
> 
> 
> Hi all,
> 
> > Since sometime after 0.9.2, I've been having ADF problems. 
> The ADF no 
> > longer senses out-of-paper - scanimage batch scans run 
> until they're 
> > killed with ^C. I have to give scanimage --batch-count=1 to scan a 
> > single page. Multi-page batch scans, especially beyond 2 
> pages, don't 
> > accurately find page boundaries - they generate about 3 pages for 
> > every 2 (but it varies).
> 
> I've been having the same problem since I've updated some 
> packages on my machine. It used to work perfectly before. The 
> printer/scanner is an HP Officejet 7210. The scanimage commandline is:
>    scanimage -p -x 210 -y 294 --compression none --mode color 
> --resolution 300 -b --batch-scan=yes
> 
> After some investigation I could reproduce this misbehavior 
> on hplip-0.9.7-r3 hplip-1.6.6a and hplib-1.6.7 (these are 
> gentoo ebuild versions but should correspond to the hplip 
> package versions).
> 
> The version that probably worked is hplip-0.9.8-r2 
> unfortunately the ebuild is no longer in the portage tree. 
> 
> Apart from not seeing the out-of-paper, the scanner also 
> stops about at 75% of the page and starts scanning inches as 
> pages. So that's about 2 cm of scanning and then it creates a 
> new output file.
> 
> If there is any more information I can provide you with, let me know.
> 
> I'm seeing this in my messages file:
> 
> drivers/usb/class/usblp.c: usblp0: nonzero read/write bulk 
> status received: -84
> drivers/usb/class/usblp.c: usblp0: error -84 reading from printer
> drivers/usb/class/usblp.c: usblp0: nonzero read/write bulk 
> status received: -84
> drivers/usb/class/usblp.c: usblp0: nonzero read/write bulk 
> status received: -71
> drivers/usb/class/usblp.c: usblp0: error -71 reading printer status
> drivers/usb/class/usblp.c: usblp0: error -71 reading printer status
> drivers/usb/class/usblp.c: usblp0: error -71 reading printer status
> drivers/usb/class/usblp.c: usblp0: error -71 reading printer status
> drivers/usb/class/usblp.c: usblp0: error -71 reading printer status
> drivers/usb/class/usblp.c: usblp0: error -71 reading printer status
> drivers/usb/class/usblp.c: usblp0: error -71 reading printer status
> drivers/usb/class/usblp.c: usblp0: error -71 reading printer status
> drivers/usb/class/usblp.c: usblp0: error -71 reading printer status
> drivers/usb/class/usblp.c: usblp0: error -71 reading printer status
> hpiod: unable to write Dot4ForwardData: No such device 
> io/hpiod/dot4.cpp 443 usb 4-2: USB disconnect, address 3
> hpiod: unable to write Dot4ForwardData header: No such device 
> io/hpiod/dot4.cpp 436
> hpiod: unable to write Dot4ForwardData header: No such device 
> io/hpiod/dot4.cpp 436
> hpiod: unable to write Dot4CloseChannel: No such device 
> io/hpiod/dot4.cpp 608
> hpiod: unable to write Dot4CloseChannel: No such device 
> io/hpiod/dot4.cpp 608
> hpiod: unable to write DOT4Exit: No such device io/hpiod/dot4.cpp 363
> hpiod: invalid channel descriptor:-1
> hpiod: invalid channel descriptor:-1
> --
> Tim
> 
> 
> --------------------------------------------------------------
> -----------
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dat=121642
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-------------------------------------------------------------------------
Using Tomcat but need to do more? Need to support web services, security?
Get stuff done quickly with pre-integrated technology to make your job easier
Download IBM WebSphere Application Server v.1.0.1 based on Apache Geronimo
http://sel.as-us.falkag.net/sel?cmd=lnk&kid=120709&bid=263057&dat=121642
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