The following cartridges (including all toner cartridges, drums, fusers & maintenance products) are guaranteed to work in the Brother MFC-9840CDW printer.
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Is the TN135P cartridge pack a genuine Brother cartridge or a compatible? I want to make sure I buy Brother cartridges because of my warranty.
Hi Tina, the TN135P cartridge Pack is an original Brother cartridge set, however there are great savings if you buy the Compatible version with the refernce RETN135P and there's no need to worry because using our compatible cartridges in your printer won't affect your warranty. Just for your piece of mind if anything did go wrong (which has never happened in my 9 years in the business) then we would be more than happy to arrange for an engineer to fix your printer and if it can't be fixed then we'll replace it with a brand new one! :)