asked Sep 9, 2005 at 12:49pm
Hp HP LaserJet 4100TN

HP 4100tn envelope feeder problems

I have been using an HP 4100tn printer with accessory envelope feeder for months and as of late, it keeps stopping and saying that there is a jam, but when I open the top of printer and pull out toner cartridge, envelope is just lying there, not jammed on anything. Can this be worn out belts, a dirty sensor, or something? I used canned air to blow out, seems to help for a short while. Even ran a thermal printer alcohol pad through it and that helped for a while. Please help, I am desperate as the biggest part of my job is printing out envelopes and I have tried 3 different HP 4100tn's in my office and same problem happens after printing for a while.

Just a thought have you changed the type of envelope your using? If it happens in all three of the machines in the office it could be the type of supplies.

If not than probably the pick up roller in the envelope area. Understand this is just a guess.

Hope this helps
by Mike B on Sep 9, 2005 at 2:46pm Add comment
Many folks have this problem with the 4100's. I just helped a guy today withthis issue. His name is Mike also, hmm. Anyway, the fusers in these don't have upper rollers, but films, and for some reason, none of the machines with films handle envelopes as well as a machine with both heat and press rollers. He replaces the fuser and the prob goes away for a while. This is an expensive fix. You may consider going to a non-recycled paper envelope. (I know, I know, gov regs say recycled, but who's looking?) The recycled paper chews up the feed rollers and fusers a lot faster than non-recycled. Just my .02. :-) PCRMike
by pcrmike on Sep 9, 2005 at 5:00pm Add comment
I don't think the envelopes are making it to the fuser by Allison's description. We use a 4100 in our office and find the envelope handling excellent. Never had a single problem. Of course we don't use an envelope feeder. If it's making it into the printer that far, I would discount the envelope feeder as the cause of the problem. If it gets out of the feeder into the printer, it's done its job. I'd try a different envelope. You can also try it without the feeder just to prove that isn't causing it.
by moe on Sep 9, 2005 at 5:36pm Add comment