Re: Fwd: USB to parallel for printer HP LaserJet 4mL
El día Tuesday, June 17, 2014 a las 09:05:40AM +0200, Hans Petter Selasky escribió: I think the USB stack is trying to reset the ULPT device, because it does not respond on the control endpoint any more. See TIMEOUT messages in dmesg and usbdump. By setting no_cs_fail to non-zero this behaviour is disabled. Hi, Thanks to Hans, the printing works now. But is terrible slow: printing a 2.9 MByte Postscript file (containing a bit map, because it was concerted from a PDF file) gives: $ ls -l fra.ps -rw-r--r-- 1 guru wheel 2951274 19 jun 17:44 fra.ps $ date ; cat fra.ps /dev/unlpt0 ; date ; cat fra.ps /dev/ulpt0 ; date Sat Jun 21 11:43:12 CEST 2014 Sat Jun 21 11:58:48 CEST 2014 Sat Jun 21 12:14:51 CEST 2014 i.e. takes around 15 minutes, regardeless of the used device, 3.2K per second. Just for the records matthias -- Matthias Apitz | /\ ASCII Ribbon Campaign: E-mail: g...@unixarea.de | \ / - No HTML/RTF in E-mail WWW: http://www.unixarea.de/ | X- No proprietary attachments phone: +49-170-4527211 | / \ - Respect for open standards | en.wikipedia.org/wiki/ASCII_Ribbon_Campaign ___ freebsd-usb@freebsd.org mailing list http://lists.freebsd.org/mailman/listinfo/freebsd-usb To unsubscribe, send any mail to freebsd-usb-unsubscr...@freebsd.org
Re: Fwd: USB to parallel for printer HP LaserJet 4mL
On Sat, 21 Jun 2014, Matthias Apitz wrote: Thanks to Hans, the printing works now. But is terrible slow: printing a 2.9 MByte Postscript file (containing a bit map, because it was concerted from a PDF file) gives: $ ls -l fra.ps -rw-r--r-- 1 guru wheel 2951274 19 jun 17:44 fra.ps $ date ; cat fra.ps /dev/unlpt0 ; date ; cat fra.ps /dev/ulpt0 ; date Sat Jun 21 11:43:12 CEST 2014 Sat Jun 21 11:58:48 CEST 2014 Sat Jun 21 12:14:51 CEST 2014 i.e. takes around 15 minutes, regardeless of the used device, 3.2K per second. USB in the slow mode? Also, that twenty-year-old printer is probably not that fast at rendering PostScript, and likely memory-limited besides. Could be a combination of all three. Converting the PostScript to PCL at the same resultion and sending that could help to compare. If it's the same speed, blame the USB adapter for sending slowly. If it's faster, blame the onboard PS interpreter for interpreting slowly. ___ freebsd-usb@freebsd.org mailing list http://lists.freebsd.org/mailman/listinfo/freebsd-usb To unsubscribe, send any mail to freebsd-usb-unsubscr...@freebsd.org
