This issue has been plaguing us since last year, but it's suddenly gotten far worse than what we were seeing in the fall and spring of 09-10. Basically, we've got two separate Pharos print queues that almost every day throw 49.xx errors on the HP printers on those two queues, seemingly at random. The central ITS folks who run the Pharos backend for us and the rest of campus tell me that it's happening on other queues all over campus and that they haven't been able to come up with a definitive cause or solution to date. Reading various forums online, I've seen numerous proposed causes (bad firmware, certain kinds of print jobs coming from Macs, certain types of PDFs, network issues, etc etc) and solutions. Sadly, not one of these has been verifiable by us and nothing we've tried has stopped the problem from occurring.
Have any of you running HP Pharos-based printers seen the dreaded 49.xx errors (which completely freeze all printers and require a clearing of the job queue)? If so, please offer the magic fix and earn my eternal gratitude (and maybe a cool toy sent via thinkgeek.com)! Oh, and we're using mostly 9050DTNs, with one 4350DTN; both models have had the error.
Assistant Dean for IT
UNC School of Law
160 Ridge Rd, Chapel Hill, NC 27599
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