On Saturday 12 September 2015 17:32:48 Gene Heskett wrote: > Greetings all; > > As has been mentioned, I dabble in CNC machinery too. Maybe that > qualifies me as a power user since the motors used to run the machinery > do spin the power meter up a bit. :) > > Anyway, the most recent version of the documentation for LiniuxCNC, > version 2.7.0, has been combined from 3 "books" of nominally 450 pages > each, some of which contained duplicate info, into one 704 page tome > now. > > So I called up kpdf and sent it to print this, duplex mode on my Brother > HL3170CDW color laser printer. > > It immediately jumped one core to 100%, but I figured that would take it > a while to preprocess. But after about 10 minutes I began to worry > because I had started that job once before but had to reboot the machine > for other reasons before it had sent a wakeup byte to the printer. > > So I called up a copy of iceweasel to see what > localhost:631/printers/network-printer had to say for itself. Which was > that the "pdftops" filter had failed. This is 6 years old: http://www.linuxfoundation.org/collaborate/workgroups/openprinting/pdf_as_standard_print_job_format Why do you need a filter to print pdf? Is it because your printer is very old? Do you know? Does anyone else? Lisi > > So I canceled the job. Thirty seconds later, the printer wakes up and > starts slowly spitting out the printout as requested. But I have no > clue how many pages into the document it will get before running out of > data because it is about 30 sheets of paper into the job, and still > trucking along in duplex mode. The printer is rated at 20 PPM, but in > duplex, all that paper handling cuts it to about 2 or 3 sheets a minute. > > When it dies, I can restart the job at an arbitrary page number to finish > the job of course, but I am curious why the web interface to cups would > report the failure of the pdftops filter, yet it looks to be working > well right this instant? > > But then it reported a drum error, please slide the wire cleaner gismo's > on all 4 drums. Did, it spit out the bad page and reprinted a good copy > of that page. And 34 pages of preamble index etc, plus over 100 pages > of the 704 in the doc so far. Did I mention I love Brother printers > yet? > > But whats with kpdf? Inquiring minds would like to know. > > Thanks everybody. > > Cheers, Gene Heskett