I've had several of these machines do this; they will randomly start to leave toner on the BACKS of the pages and do it for like 50 pages, then start fusing as normal again and everything goes away... I had it happen once in my shop on my bookkeeper's e-456 and now I've got a customer's e-457 doing it as well. In fact, now that I think of it, I had it happen for a very short time in an e-457 that I sold the week before as well.. was right here in my shop and my first thought was, "Oh, I didn't rebuild the fuser on the machine yet!" but I HAD... weird.
All the FW is up to date on all these machines as well, FYI.
Any advice much appreciated!
OC
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