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Re: corona wire needs cleaning and i've done this several...
Why go thru the trouble taking the drum unit apart. why not clean the corona grid on the drum unit.not with the plastic clip on the unit but get a small 1 incj soft bristle paint brush and clean the wires on the drum grid, brother tech
Re: corona wire needs cleaning and i've done this several...
The only other thing to do is to actually disassemble the drum unit, and "clean" it as a whole. If you are not a service tech, as I, then it's a sketchy thing to do, as it involves "re-dusting" the cleaning blade.
barring that... you may just have to simply replace the drum unit to correct the error.
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If you are seeing vertical streaks/black lines your primary corona wire is dirty and or the fax scanner may be dirty. 1)To clean the corona wire you take the drum unit and toner cartridge and place it on disposable paper to avoid spilling. 2) Clean the primary corona wire inside the drum unit by sliding the blue tab from right to left several times. 3) Return the blue tab and snap it into the home position. 4) Reinstall the drum unit and toner cartridge. 5) Close the front cover. Caution: if you do not return the blue tab to the home position it may repeat the black lines.
Does your brother printer or fax machine have bad printing such as very light print or spotty print. If you have these problems chances are you have a dirty corona wire. The corona wire is used by the printer to put a charge on the paper so the toner is attracted to it in the pattern that the laser draws out. Below are the directions to clean the wire. 1. Open the front cover and pull out the drum unit and toner cartridge assembly. 2. Clean the primary corona wire inside the drum unit by gently sliding the blue tab from right to left several times. 3. Return the blue tab and click it into the Home position. 4. Reinstall the drum unit and toner cartridge assembly in the MFC/Printer. 5. Close the front cover.
Be sure to return the sliding blue tab back to the home position next to the arrow or you will have dark streaks on your printouts
This happened to mine, only my thick edge was blue. My problem was that the little green slider that cleans the wire on the toner holder was pushed to the wrong side. (Sorry, can't remember technical term for the green thing or the wire! It has an arrow on it and it's pretty easy to spot.) Push it all the way back to the left until it clicks and it should fix the problem.
Firstl, try cleaning the corona wies by pressing the 'head' key the head shape key with a star inside, select 'adjustment/cleaning' then select 'clean wires' then 'ok' Do this a few times to begin with. Your corona wires may need physical cleaning or replacement - there are several wires inside this machine - you can see 2 of them when you slide out Unit 2 of the machine, to the right centre of the machine. The others are behind the front cover above the drum. Are prints or internal reports ok - if so, then you will need to clean the optics (mirrors below the scanning glass plate and the glass sheet and slip glass to the right on both sides).
SWARNAVA has the most common wrong answer to this problem...
I am waiting for a firmware update to fix this issue. The only solution is repeatedly removing the drum/toner, moving the green cleaner back and forth, putting it all back together loosely, putting it in the printer loosely, and closing the door gently. Hold down the blue button until all the lights glow, then release. If you're lucky you only have to repeat this process a dozen times until you trick the sensor into not giving false readings.
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.
I would try cleaning the drum unit.
Take the drum unit out of the printer.
They recommend that you place the drum unit on a drop cloth or large piece of disposable paper to avoid spilling and scattering toner.
1. Carefully turn the drum unit upside down.
2. Clean the primary corona wire inside the drum unit by gently sliding the tad from right to left several times. (Be careful with the corona wire they are delicate.)
3. Return the tab to the Home position before reinstalling the drum unit. (If you do not position the tab at the home position, printed pages may have vertical lines.)
4. Re-install the drum unit.
5. Close the top cover.
6. Plug in the power cord.
Sounds like it sensed this as a paper jam. If it is your Paper LED that is stuck on:
We have a few of the HL-2070N's and I have seen this issue on a few of
them. Usually it indicates one of several instances that can be found
on Brothers website in the FAQ's about what does the LED indicate area.
The main solution I have found is that depending on where the
paper jammed it has affected the drum/toner cartridge assembly somehow
I recommend taking the Toner Cartridge out of the drum unit
clean the corona wire by moving the blue tab at the front of the drum unit back and forth several times
I have even used can air here to get it even better all around the drum unit not just at the corona wire area
After make sure all is clean put all back together
This has cleared up most all of my paper jam LED issues and allowed for further printing.