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Konika 7040 developer drops at the transfer of corona

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Somebody put developer in your toner hopper. You'll have to vacuum out the toner hopper and clean out the developer. re-service the machine with developer and toner after cleaning out the mess in the drum cavity.

Posted on Jan 06, 2013

  • meikriezl ulit Jan 08, 2013

    can u give me a description of the toner hopper please? I am not familiar with that part of the copier. thank you!

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1 Answer

Model 600. Why is it dropping toner near transfer corona unit?


When is the last time the developer and drum where replaced? When the last time was a PM done? Very 250,000 copies a PM must be done? Which replaces the Corona Wires, Developer, Drum, Corona Grid, Web roller for fuser (Hot Part). Also during the PM the Tech should clean the toner out of the Waste Toner collection unit on the image unit. also clean the area around the drum and developer roller.

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I have a Kyocera KM-5530. It prints light in some areas. There is good transfer to the drum, but just not to the paper. New corona wires, new main high voltage board, new developer, and toner. Anyone know...


This would indicate that you are having a transfer problem or the Paper is very damp. Have you changed the transfer corona wire?
Also check the drop down mechanism that holds the transfer unis. Mechanichaly if it is not in the correct position when in the locked position this can cause the problem that you are experiencing.

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How can fix this code C-2105 in konica minolta bizhup 600


C - 2105 Transfer/separation corona cleaning motor home sensor error code.
Remove the transfer/separator corona located in ADU assy,use the vacuum cleaner and clean the corona support and the 2 sensors(located under corona assy rear and front area).After cleaning urn ON the copier and is working.

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How to replace corona wire


The corona wire is part of the image drum, you replace the entire assembly not just the wire. The corona wire itself is not available for purchase.

Oct 02, 2012 | Brother DCP-7040 Laser Printer

1 Answer

The image does not transfer to the paper.


Sounds as though the primary corona wire is broken giving no charge to the drum, the developer clutch is not rotating the developing cylinder, or the transfer corona wire is broken.

Jun 27, 2011 | Canon NP 6050 Copier

1 Answer

I have a white stripe on the copies. I just installed a new toner cartridge, and cleaned the transfer charger. I have a Sharp AR-162S copier that is 3 - 5 years old. Thanks.


Hi check the developer unit make sure it is coated end to end some times the blade on the developer gets foreig matter stuck and prevents the developer/toner to go onto areas of the developer mag roller also check and make sure the transfer corona wires are in good condition no black marks on the corona wire if there is replace the wires

Feb 15, 2011 | Office Equipment & Supplies

1 Answer

Konica 7040 error code F-34-3


Friend, this code refers to short-circuit the corona separation and transfer, check for accumulation of toner and do a cleanup in the corona.

May 21, 2010 | Konica Minolta Office Equipment & Supplies

1 Answer

I have sc301 error code with aficio 551 and i have changed the charge corona bud the code appears again i want to now if there is problem with charge crona power pack or not and if its deffected where is...


the charge corona power pack is located inside the drum cartridge, when you will open the drum cartridge by the two screws on the both sides and when you will open the one part from the cartridge you will see the drum on one side and the corona power pack is located on the other part in the right corner you cannot miss it because that is the only electronic plate, for the drops of toner you will need to see do the developer need to be changed or the seals are damaged and need to be replaced also see the cleaning blade for the transfer belt do is ok

Jan 29, 2010 | Ricoh Office Equipment & Supplies

1 Answer

Lines on the page


Hi,i will do this: Remove toner,then remove developer unit.Try to clean magnet roller on developer unit with dry cloth, if see lines on roller.Pull out paper transport unit(green handle ) and clean transfer roler and vacuum it.Then ,when is paper transport and developer unit out, remove drum unit(open door on the left side on the printer and pull out drum). Remove Corona from drum unit.Remove and clean grid,corona inside and corona vire.
Check fuser and drum for scratches.

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