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Service manual how to clean the corona wire

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2 Answers

Where do you find corona wires on Brother 7840W printer?

The wire is on the drum (where the toner cartridge fits in). The green or blue piece slide cleans the coroner wire.

Jul 23, 2014 | Brother MFC 7840W Printer

1 Answer


C - 0100 Charge corona wire winding failure.
C - 0200 PC drum charge,Image transfer/paper separator coronas failure.
Clean the coronas wire and the coronas house using isoprophil alcohol and clean or change the contact combs(a little Cu pieces)
If you enter in service mode and select Counter mode you can reas the trouble code list description.

Apr 26, 2013 | Konica Minolta Minolta Ep4000/ep5000...

2 Answers

When we scan or copy, a long line comes up on the paper

You might need to clean the corona wire. Pull out the drum and cartridge and slide the blue tab on top back and forth. Be sure to return the tab to the home position afterward.

Mar 01, 2011 | Brother MFC-8460N All-In-One Printer

1 Answer

Dark copies, copier pc-6re needs cleaning, no manual

Clean the optical parts (mirrors,lens and lamps),charge corona wire and the transfer /separator corona wires and unir and make a copy.If not good tell me.

Nov 30, 2009 | Canon Office Equipment & Supplies

2 Answers

What is the code to manually clean the corona wire Konica 7165

47 mode output 046 p00p for charge 47 mode output 047 p00p for transfer

Apr 03, 2009 | Konica Minolta Office Equipment & Supplies

1 Answer

Royal copier service code

Royal copiers are kind of old... But I believe that a C710 means that a charge corona wire is arching out or it could be broken. The fix I use to do is to clean the Primary & the Transfer corona wires carefully and pree the reset botton and see what happen. It could be a problem wit the HVTDC, but you may fix it with just cleaning the corona wires.. Good Luck

Nov 07, 2008 | Office Equipment & Supplies

8 Answers

Corona wire

I was getting the clean the corona wire problem message even after repeated cleanings.  Before this problem occured the toner light was flashing warning of low toner. When I got the clean the wire pop up the toner light was on all the time indicating the toner was depleated.  So, I thought I would try replacing the toner cartridge and see what happened. I opened the new toner box and noticed on the foil packege specific instructions to clean the corona wire when installing the new toner.  I installed the new toner and cleaned the wire one more time. I then reinstalled the drum and toner assembly into the printer and the clean the corona wire message did not come up again.  The printer now works fine. 

Aug 08, 2008 | Brother HL 2140 Laser Printer

1 Answer

Cleaning corona wire

there is no corona wire in this machine.

Jun 03, 2008 | Brother MFC 420CN All-In-One InkJet...

2 Answers

Dirty Edges

I'm sorry to tell you, this is likely a drum issue.

You probably need to have a certified engineer examine the machine.

Have you tried speaking with the local service center to see if they have experienced similar issues? It might be free information.


May 13, 2008 | Xerox WorkCentre XD120F Laser Printer

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