Hi there, faded print is normally caused by a drum unit, but could also be the fuser. For your machine, the drums are built into the toner cartridges so you would have to replace the toner first to rule that out. If replacing the toner doesn't work, it could then be due to the fuser unit. Please can you get in touch with our customer care team at [email protected]
who will be able to investigate further and make sure you make the right purchase in order to get your printer working as it should again? If you prefer you can call 0345 365 3605. Have a great day!