Question about Brother HL 2140 Laser Printer

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Corona wire needs adjusting

I read on this site that you can reset the printer to fix this, but I forgot how to reset this

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Of you need to remove the toner cartage the if you look on the roller side of it you will see a tiny yellow tab on the right side I believe that is the corona wire cleaning tab. You press down or hold on to it and slide it back and forth left to right thus cleaning the corona wire.
Also the message corona wire needs cleaning often is displayed close to the end of the toner life so after cleaning and reseating the toner back in the printer wait for it to self test 10 sec or so and the press three times the blue large (only) button on the printer. You need to press it at a good speed for the printer to respond. Press to fast it won't work.
This will give you a printer setting page on it the toner life will be displayed along with estimated drum life and good deal of other information.

Posted on Sep 13, 2009

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To RESET the Drum Press and hold down the white Go button for about 4 seconds until all the LEDs light up. Once all four LEDs are lit, release the Go button.

To RESET the printer back to all default settings
a Turn off the printer.
b Make sure that the front cover is closed and the power cord is plugged in.
c Hold down the Go button as you turn on the power switch. Keep the Go button pressed down until the
Toner, Drum and Error LEDs light up. Release the Go button. Make sure that the Toner, Drum and
Error LEDs are off.
d Press the Go button seven times. Make sure that all the LEDs light up to indicate the printer has
been reset to its default settings.

Posted on Sep 11, 2009

Testimonial: "THis was helpful, but it didn't work as well. However, I put black tape on the right side of the cartidge hence "tricking the printer that is wasfull"

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1 Answer

Printer Status LED is Red and Drum Light is Yellow


Hi, this error shows when the corona wire is dirty, some times I clean the corona wire with a small screw driver pressing the corona wire down and slide the screw driver to the both sides also once you clean in the up I press from the side and slide the screwdriver after that with a cotton swab with isopropyl alcohol slide from side to side, or replace the drum unit and reset, if you install a new toner, there is a mechanic control for reset the printer toner counter, this only works the first time that you install the cartridges, for example If you install the cartridge in 1 printer and then move to other printer the other printer keep the counter for the old cartridge, if you are sure that your cartridge is new you need to open a return the gears to is original position in order to install in another printer.

Jul 26, 2013 | Brother HL-5240 Laser Printer

1 Answer

C0210-Transfer Corona How to repair?


Below the drum is assy. that houses two very fine gold plated wires that do two things since the paper goes between these two wires and the drum the first is transfers the image on to the paper from the drum, the second one prevent the paper from sticking to the drum. One is or both are bad, BROKEN? Remove the assy. and replace both. They are very fine and fragile do not lose the springs. If that does not work you might have bad ends on the assy. after a while the plastic breakdowns and allow the voltage to go to ground. The wire carry around 2000 volts during the copy process. None during power off :) Open close the front door resets the code.
Try this site for parts corona wires for xfer and sep assy.


http://www.precisionroller.com/


TRy this site

Nov 16, 2010 | Minolta Di550 B&W Laser Printer

1 Answer

My brother mfc-7840w printer keeps telling saying there is a drum error and will not print. i clean the corona wire and reset everything yet the same thing happens again and again. how do i fix this?


The drum is the photosensitive roller that the image is charged onto so I'm afraid cleaning the corona wire won't help. If the drum is removeable try reseating it, otherwise it looks like you may need to buy a new drum kit for it.

Apr 28, 2010 | Brother MFC 7840W Printer

2 Answers

C0200


Corona wires are used in the transfer/sep assy and drum charge. C0200 is code if they fault. To reset the machine open and close the front door, if ithe code comes back the corona wires and or assy need replacement

Feb 19, 2010 | Konica Minolta DiALTA CF910 Copier

1 Answer

Black lines through printed pages have cleaned unit and replaced black drum unit.....still have black lines


Clean the charge corona wire/charge corona roller and the charge corona wire gride,and the transfer/separation corona wire/roller.After clean the units and clean the optical section perform the auto image adjust mode.

Sep 28, 2009 | Sharp AR-BC260 Color Copier

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

2 Answers

COPIES TOO DARK ON CANON COPIER NP6035


First of all did you clean the optic? How about did you replace all of the corona wires? Also, did you clean the scanning lamp as well? Also when you had fitted the new drum, did you use a brand new one or a different one, did you clean the drum with rubbing alc. If all that was done, do a "AE" adjustment in service mode using white paper on the copy board glass. Also, go to the addictional funcation mode and go to expossure adjustment and make it lighter. Or as a last effort adjust the corona hieghts of the primary corona wires. Good Luck...

May 01, 2008 | Canon NP 6050 Copier

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