Question about Brother MFC 7420 All-In-One Laser Printer
There might be an issue with the metal contacts on the bottom left side of the drum. If the contacts are placed right then it will continue with the drum error. See the link for the location of the contacts. Try cleaning them on the drum and on the printer and see if that works.
Posted on Mar 02, 2011
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Posted on Jan 02, 2017
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