Question about Brother MFC-7820N Laser Printer
The toner cartridge has some small contacts on it,, this tells the printer how much toner is remaining,, clean the contacts on the cartridge as well as the contacts in the machine where the contacts connect too,, chances are some toner has gotten on the contacts... Also verify that you replaced all cartridges that the machine says is low..
If that fails send the manufacturer an email with your contact information and the problem your experencing,, they will reply with a firmware upgrade or flash.. and instructions on how to use it...
Posted on May 17, 2010
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Posted on Jan 02, 2017
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