The following cartridges (including all toner cartridges, drums, fusers & maintenance products) are guaranteed to work in the Lexmark T420 printer.
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What is the difference between a Lexmark 12A7315 and 12A7415?
Hi there, there is actually no physical difference between the cartridges, they are both exactly the same but the one with the reference 12A7415 is what Lexmark refer to as a return program toner cartridge which means they include a recycle bag in the box and make the product cheaper on the expectation that you will send the cartridge back to them once it is empty.