Brother MFC-9420CN All-In-One Laser Printer "clean 9840 drum" Questions

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Question about Brother MFC Office Equipment & Supplies

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...9840, so I hope it's OK. We've got a new MFC-9840CDW that's been printing a small 1/4" vertical pinkish strips about 2" from the right side of the paper. It doesn't appear when you print/copy black ...

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Question about Brother MFC Office Equipment & Supplies

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...9840 CDW multi function priinter. It has starting printing black marks on the pages. Could you help me with what might be wrong or does something need cleaned? Thanks Remove drum & cartridge and ...

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Question about Brother MFC Office Equipment & Supplies

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...9840 printing Yellow/Red/Blue strips in background. Any ideas why? The color laser printer is print yellow/red/blue streaks on my printouts. The more prints and hotter it gets the darker the colors. ...

Question about Brother MFC Office Equipment & Supplies

1 Answer

9840 CDW puts specks on everything since I changed all the toner cartridges. Tried cleaning drum heads, corona wires but afraid to get in too far without assistance. Suggestions? Purchase some printer

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