0345 365 3605
Mon-Thurs 8 - 5:30 & Fri 10 - 5
Hi there, yes a TN2420 high capacity (or giant) cartridge will fit in your MFC-L2710DW printer though if you don't print much, you might be better with a standard sized TN2410 which are much cheaper.
TN2420 (large):
Brother brand - https://www.tonergiant.co.uk/product/Brother-TN2420-High-Capacity-Toner-Cartridge-TN2420-97325/
TonerGiant Compatible brand - https://www.tonergiant.co.uk/product/Compatible-Brother-TN2420-High-Capacity-Toner-Cartridge-RETN2420-97421/
TN2410 (standard size)
Brother brand - https://www.tonergiant.co.uk/product/Brother-TN2410-Toner-Cartridge-TN2410-97335/
TonerGiant Compatible brand - https://www.tonergiant.co.uk/product/Compatible-Brother-TN2410-Toner-Cartridge-RETN2410-97420/
If you need more help, please let me know!