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Topic # 126829 21-Jul-2013 12:10
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I just replaced the toner cartridge in my MFC-7440N for the first time, and now I'm getting artifacts on the right hand side of of each page:


Did everything right according to manual, and used a genuine cart.

I tried removing and re-seating the cart in the drum unit, re did the corona wire slider thing.

Have I buggered the drum?

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  Reply # 862989 21-Jul-2013 13:05
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Have you replaced or cleaned the drum?

 
 
 
 


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  Reply # 862993 21-Jul-2013 13:12
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Measure the distance between marks, divide by pi, and that will give you the diameter of the roller causing the problem. Then have a look, and see if you can work out which one it is.

It may be the drum which is sometimes a separate unit, and sometimes built in to the toner cart, or possibly just gunk has got on to one of the other rollers - fuser rollers in some printers collect a lot of excess toner as they age.

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  Reply # 863359 22-Jul-2013 09:21
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Its not the ACTUAL drum, that would put 3 repeats down the page .

Are you sure its genuine Brother Unit you put in, not a reman or generic ? Some remans are labeled to look a bit like Genuine carts
Could be a PCR, or transfer roller, magnet roller(developer roller: stupid naming convention) . 

Pull out the toner cart. Rotate the small black roller thats covered in toner & you'll probhably see the issue (dont touch the actuall roller)
Or just take the cart back for a refund, take some test prints as proof it faulty



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  Reply # 874548 9-Aug-2013 13:22
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1101: Rotate the small black roller thats covered in toner...


Yeah, the manual only tells you to clean the drum and doesn't seem to mention that roller. After going over the drum with a fine toothed comb, I started looking at that coated roller and found a barely distinguishable spot of caked toner. I cleaned it off with and now prints appear to be normal. So thanks for the help.

Side question: Are there any tradeoffs to using "Reduce Paper Curl" mode?

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