Hi. Every time I print something out for the Dr. I work for he complains about an ink streak that travels down the center of the paper making it look rather unattractive. His solution is to buy a new one, but I'm thinking there is a nother solution that is probably easier and cheaper. Help, please?
I had the same problem and emailed brother. they suggested cleaning the drum by taking out the toner cartridge, and cleaning the primary corona wire which is inside the drum unit and can be found' by locating the blue tab on the top of the drum unit and sliding it from left to right several times. Return the blue tab to the home position before reinstalling the toner and drum unit assembly.'
The blue tab thingie is in the back and goes side to side which is different than the blue tab that you push to get the toner cartridge in. That one goes back and forth.
Anyway, I tried it and it worked for me.
P.S. the instructions from Brother also said that you might want to clean the laser glass with a dry lint free cloth. This is the think piece of glass above where drum unit is installed. they warn NOT to use any liquid. However, i did not have to do this. the blue tab (corona wire) worked by itself.
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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.
Two things can cause this type of problem, 1 bad drum unit or 2 dirty corona wire.
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.
If this does not solve the problem then you will need to replace the transfer drum in the printer. The part number for the drum is DR-400 or DR400.
I hope this helps, if so please rate our solution.
The tracking wheels (spiked wheels) can pick up ink and lay it back down. They can also accumulate debris that collect ink and put it down in the form of streaks. This is especially true if you use dusty or moist papers (or frosting sheets).
vertical lines on prints usually means either the drum's cleaning blade is not cleaning the drum (or the drum is damaged) or the fuser is scored. scored means that the protective coating on the fuser rollers is damaged. I would check the rollers on the fuser (the hot part of the printer right near the paper exit) for any lines on it, if you look at your prints, you should see them in the same location on the fuser. if you do not see any lines on the fuser rollers, then replace the drum.
Can only be two things the drum or the fuser. More than likely drum they last about 4 toners i think.
Learn the art of getting a page to stop halfway threw printing, you want to stop the page after the drum has put a image on the paper but before paper has gone threw the fuser (hotbit).
Once you have mastered the position correctly by stopping the printing by opening the door and removing drum/toner cartridge, to reveal the paper that is printed but can be rubbed off, we will know if marks are coming from the drum (you will see them) or from the fuser, if print is fine.
It is the fuser at rear giving you grief! The upper heat roller has a teflon coating that wears away allowing toner to stick to roller and smudgin prints as they pass threw it. The fix is to replace fuser assembly, take to brother dealer to fix.
You can prove it to yourself by timing the print to stop mid way threw machine then remove print cartridge and look at paper, you should see a image is good untill it hits the fuser,( pre fused image "rubs off" paper.) If you have changed drum and toner thats all it can be. They all do it in time.
Fuser is hot bit at rear, pull out drum and look in the back with a small torch you will see upper heat roller is worn, guestimation $90 for fuser plus labour to fit.
It sounds like excess toner has built up in or around the imaging drum. I would *carefully* remove the toner and drum (can be messy) and use some canned air to clean the inside out. If you are still getting these streaks, it might be time to get a new drum (DR 400) as you are supposed to replace the drum every 6 to 8 times you change the toner cartridge.