Brother MFC 9600 prints with big wide smeary black smudges running vertically, ttwo obscuring black bands 2" wide approx one inch from each L/R edge. Mulitple cleanings of drum, corona wire, and replacement of toner hasn't changed a thing. Here's the curiosity, the black thick deposited toner smears CLEAR WITH ADDITIONAL PAGES OF PRINTING. If I print a 10 page document, pages 1-3 are unreadable, 3-6 show diminishing black smears, and by 6-10 they are perfectly clear and normal looking white backgrounds.
What can cause this? It must be obvious to someone who understands how they work. I don't want to waste money on a drum only to find out its fuser, or on both only to find out its something else. A new printer is cheaper. Can you help, please????
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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.
Hello sir;The streak line from printing also should be from copy, because the line come from imaging unit, check the meter count if close to or over 50,000 then replace drum and drum blade, it will take care the problem.
The brother printer you need to replace imaging unit( drum unit).
Remove your drum unit and you will see on top of where the drum unit sits inside your machine is a piece of glass(inside the machine). Wipe the glass with a soft dry cloth. If this do not work, remove your toner cartridge and see if the toner is spread evenly on the cartridge.
That black dust that fell out is the toner. When you shake a toner cartridge that shouldn't happen. It looks like you have a faulty toner cartidge and that need to be replaced!
Now to make your printer prints cleanly and clearly after you replace the cartridge, you'll need to get someone to service the printer(the faulty toner cartridge more than likely spilled toner on your internal printer parts, cause the smudges). Sevicing would mainly entail, taking down the printer and removing any spilt toner!
If you feel you are up to this, be cautious, because toner can be hazardous to your health if you accidentally breathe it in!
hope this was helpful!
If you have changed drum AND toner, and reset drum count, cleaned scan slit glass on lit then only other thing to clean that can cause dirty prints is laser glass, (remove drum, inside where drum goes there is a slit the rund width of printer on inside middle "ceiling"
The orange piece I take it is the lower heat roller at rear, cleaning this is not going to fix anything.. this area called the fuser sometimes the fuser wears the coating off the upper heat roller (above orange one) and leaves like a smudge mark on prints, like I say cleaning wont fix replacingfuser with new would be what is required
I find a lot of grey shading on prints on this model are from faulty toner cartridges, next is drum then worn fuser roller... Stop a print half way (timing) in machine remove drum and look at print, after drum but pre fuser ,to see if image is ok before entering fuser, then we know if that is your problem