First, prepare your work area. I put the cart down on a few paper towels, as you will be spilling a little toner. I also have 91% alcohol, some cotton swabs, and a small phillips head screwdriver.
Step 1: Remove the baffle
First take the 5 inside screws off of the baffle. Be careful not to touch or scratch the roller. These screws are short. They hold the blade assembly to the underside of the carriage. Don't apply too much pressure to these screws.