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The problem in my opinion is with the four "D" rollers behind the grey roller on top, and possibly with the spring assembly which brings the "D" rollers to their home position. It is difficult to explain to someone without photos, so a manual on the machine would be a great investment if you're...

That's an interesting theory, and I'll definitely bring my spare fuser to test it before I invest the time to install the DC Controller, but I did want to clarify that these were not false codes - the paper actually did stop at various points in the duplexer path (though I guess the false codes...

Well, this is an odd one... I think! I have a customer who has two HP LJ 5Si Mopiers, lets call them "A" and "B." Both machines have duplex assemblies installed. The "B" machine started jamming heavily in the duplexer, 13.1 and 13.7 jams (but usually situated in the duplex or output roller...

A customer of mine has an HP LJ 5Si Mopier, an 8-bin mailbox, and a 2000 sheet tray setup in the usual way. The Mopier is 1996 12/20 firmware, the drivers are PCL 5e, the jobs don't end up just going a a random bin, but rather random pages will go to random bins (breaks jobs so that 5 pages end...

I'd like to know which serial numbers of FUSERS this issue applied to, since I have seen the same issue on one non-covered 4200 and two Laserjet 4100's now. The non-covered 4200 was CNBX402191, I did not write down the fuser serial number. Still working, but showing some damage on one side and...

Does anyone out there have some service notes on HP laserjet 4100 fusers? I have had two units peel the fuser film (just like the infamous 4200 issue with a similar fuser), one unit has done this once already and now is being reported with the same symptom again... A separate unit also did the...

TCouch, I hope you're feeling better. Would these serials be covered? USBNX00294 Changed already USBNP14681 Changed already USDNS21777 USGNM17777 USGNX05807 USGNN26700 USGNN13294 CNBX401191 Showing issues possibly related... Sorry to be a pest - maybe you could scan in the...

I have six HP LJ 4200 Cores, which have all failed for my customers over the last six months or so. Here is the list of which serial number goes with which core number; sorry, I do not have the Model # specific to each unit, but then that should matter little. They are all 4200 units with...