Question about Kyocera FS-3900 DTN MONO LASER PRINTER
After installing the toner waste bottle and toner cartridge, Kyocera FS-3900/FS-4000's can exibit "faint print". Solution is to reseat the Developer assembly (which is what the toner cartridge sits in). No need to remove the toner cartrididge. Lift up on the toner cartridge and the Deleveloper will come with it. Reseating the Developer solves the faint print issue. You can also clean the square contact on the left-side of the Developer by removing it completely.
Posted on Dec 24, 2009
There is one more thing to this helpful advice.
There are a sponge roller underneath the drum unit. I you remove a black panel with white rollers, you can remove the sponge roller also. Then you'll be able to clean the roller.
It makes the drum unit's life more durable.
Posted on Sep 25, 2011
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Posted on Jan 02, 2017
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