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Brother toner window trick for low toner shut down
Posted by: olnacl
Date: February 19, 2012 02:07PM
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Re: Brother toner window trick for low toner shut down
Posted by: LaserKun
Date: February 19, 2012 02:09PM
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Re: Brother toner window trick for low toner shut down
Posted by: Chakravartin
Date: February 19, 2012 02:17PM
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Re: Brother toner window trick for low toner shut down
Posted by: olnacl
Date: February 19, 2012 02:34PM
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Re: Brother toner window trick for low toner shut down
Posted by: GGD
Date: February 19, 2012 02:54PM
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Chakravartin
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LaserKun
Yep, that's it. Works good, just don't try to go too long with it. You will soon need a new cartridge. Maybe 100 - 200 pages.
I've gone almost 600 pages since my low-toner light came on.
Prints are only just now starting to look a little light.
Re: Brother toner window trick for low toner shut down
Posted by: olnacl
Date: February 19, 2012 03:44PM
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Re: Brother toner window trick for low toner shut down
Posted by: LaserKun
Date: February 19, 2012 03:45PM
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Re: Brother toner window trick for low toner shut down
Posted by: PeterB
Date: February 19, 2012 04:37PM
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Re: Brother toner window trick for low toner shut down
Posted by: GGD
Date: February 19, 2012 04:51PM
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Re: Brother toner window trick for low toner shut down
Posted by: Buzz
Date: February 19, 2012 08:32PM
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olnacl
Interestingly, my 5250 DN shipped with a TN-550. I've had it for three years and still have the original cartridge it shipped with, thus my unfamiliarity with the toner window. I just checked and my page count is 778.
Re: Brother toner window trick for low toner shut down
Posted by: olnacl
Date: February 19, 2012 10:18PM
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Re: Brother toner window trick for low toner shut down
Posted by: GGD
Date: February 19, 2012 10:35PM
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Quote
olnacl
Success! I heard back from my friend after sending the instructions and a couple pictures. They are printing again.
Thanks all!
[www.fixyourownprinter.com]Quote
Brother use a system of returning the residual print waste toner from the drum, to the toner supply hopper, via a charge brush which is in contact with the drum and charged differently during the clean cycle of the drum. The charged residual toner is transferred back to the developer roller and dropped back into the supply hopper. This is why most Brother cartridges, unlike most makes, do not have a waste toner hopper in the drum unit. When the toner is getting low, the electronics increase the charge on the developer roller to compensate for the mix of waste and good toner. This process continues until the maximum charge can no longer be accepted by the toner. This results in the charge brush failing to operate properly and hence waste toner is not returned to the toner hopper, but remains on the drum. This causes the backgrounding which appears on the printed page. Even blocking the low toner sesor will not prevent this from happening. This is a brief description of a rather lengthy complicated prcess. Submitted by Robbo.