Remove transfer unit from machine. Remove Transfer belt from unit. Take out three screws that hold cover on transfer unit. Vacuum out the transfer unit waste toner. Put back together and back into machine. This should take care of toner on backside of copies/prints. If you have background on the front also, then I would do what a couple techs on here suggested, and clean the mag roller in Dev. Unit, replace developer, and while you're at it, just replace the drum and blade.
**Note** - If the machine has been sitting long enough, the transfer belt can stick to the rollers in transfer unit. Have not seen it on this machine, but have seen it on earlier models that have sat in our graveyard for a long time. If it is seized/stuck on the rollers, then you'll have to replace transfer belt too and clean the roller/s.
Don't you guys just use the 8200 maintenance kits when there due for PM???
You get everything in Kit A and B and its a 20 minute PM even if the machine is dirty
Surely you don't rebuild everything.......
For us as a dealer the two maint kits together cost over $800USD the pm parts box and a bag of developer is just over $400USD so it's not a small price difference. The whole pm parts is cheaper than the A kit is. They don't pay us enough to make it worth the money.
Same here. But it's not a small cost cut.
hi, (with google translate) I had a similar problem and I solved by first cleaning both the drum unit internally, the charge roller and where there is the toner recycling, then I vacuumed and with a brush holding me away from the waste toner sensor, I cleaned the transfer belt also internally so that it adheres well to the steel rollers, it is better to replace at least the transfer blade. It is obvious if the developer has made over 300k copies should be replaced, if he made 100k no, it is probably the fault compatible toner or the machine is overtoner, then remove the hopper, put a cloth in the hole in the drum unit for do not let the toner rise. Then I made a lot of copies for the second half of the black until they came out very clear. I also sucked the toner into the hopper. Clean the magnetic roller and the grid at the entrance by fluff. Reassembled, run the developer initialization. The copier is now ok. Original toner now. Compatible toner is better with the new developer.
Yes to the above...
o Make sure the customer is using the correct toner. From memory I believe there may have been a toner modification for this machine.
o Update to the lastest firmware to help with the ID patch attenuation....
o Take the machine off SP mode auto toner feed and place it on SP mode manual toner feed percentage. (I can't recall the SP numbers).
Drop the percent of toner feed right down low. Should run fine from then on PM to PM.
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We don't rebuild anything as labor time ends up costing more than slapping in a Kit A and B. I can rock up to a client site with a vac and a Kit A and B, a couple sets of tray rollers and document feeder parts and walking out 30 minutes later having completed a full PM service for this device.
In all situations we analysis cost of parts for a start, then total labor time.
You will find your labor time which includes travel parking etc will blow out dramatically when you do the sums compared to just slapping kits in
Plus the less time your at a machine servicing and inconveniencing a client the better you look
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