@jimav, how much exactly does it slow down printing? In milliseconds? I have a problem that seems similar. After recent upgrade to CUPS 1.5.3, my HP LJ 4L connected via USB adapter printing what looks like command leftovers from previous job before printing the next job - judging from
# lpstat -p printer HPLJ4L is idle. enabled since Tue 06 Oct 2015 09:17:09 PM MSK Sending data to printer. (the job is just finished, all fine et al, but printer driver seems to be stuck in some "sending".) All jobs correctly printed, but the paper waste is, of course, undesirable. # lsusb Bus 003 Device 004: ID 1a86:7584 QinHeng Electronics CH340S ... # lpadmin -p HPLJ4L -o usb-unidir-default=true did not helped. # lpadmin -p HPLJ4L -o usb-no-reattach-default=true seems to have done the trick. lpstat still shows the printer stuck in "Sending data", but jobs now coming out correctly. -- You received this bug notification because you are a member of Desktop Packages, which is subscribed to cups in Ubuntu. https://bugs.launchpad.net/bugs/872483 Title: laser printer only prints first job correct Status in cups package in Ubuntu: Fix Released Status in cups source package in Oneiric: Won't Fix Status in cups source package in Precise: Fix Released Bug description: please also refer to this bug - this seems to be exactly my issue and does not seem to be solved. https://bugs.launchpad.net/ubuntu/+source/foomatic-db/+bug/855412 ProblemType: Bug DistroRelease: Ubuntu 11.10 - all updates as of today applied. I followed https://wiki.ubuntu.com/DebuggingPrintingProblems according to https://bugs.launchpad.net/ubuntu/+source/foomatic- db/+bug/855412/comments/20 I printed two copies of the same document, since this forces the error easily. The content under /var/spool/cups/d... look fine - see attached files. after cupsenable <PRINTER> the first copy comes out fine - the second as random character - I stopped after some pages. The test is with Samsung ML-2250 Series (SPL II) - which worked fine under all previous versions of Ubuntu Samsung ML-2250 Foomatic/pxlmono (recommended) generates basically the same result. To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/cups/+bug/872483/+subscriptions -- Mailing list: https://launchpad.net/~desktop-packages Post to : desktop-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~desktop-packages More help : https://help.launchpad.net/ListHelp