The plastic toner chuck in the Ricoh C7100X Colour Printers are notorious for breaking when you insert a new toner bottle into the machine. This means you are unable to print and need to wait for a technician who has to take apart the back of the printer to replace the broken catch. This printer takes 5 toners so that's 5 clips that are easily broken, resulting in a lot of downtime, and if you are not on a service contract, a lot of expense. This part was created to be a lot more durable than the plastic part it replaces, reducing chance of failure, therefore saving a lot of money in the long run. Have this part on hand the next time a toner chuck breaks for the technician to replace it with. Keep in mind you'll need 5 to replace all of them in the printer.