As a fellow Kyo-to-Konica guy I must warn you. Konica maintenance mode was built by engineers for engineers. No more plain English. Sim 130 to set developer? Fuhgetabbouit. You must clear counts, run L-Detect (or whatever given model decides to call it) Toner density, Laser Diameter, etc, etc. On some models it's called "drum peculiarity". Great sims like 34, 402, 70-72, 20, 906 have no equivalent.
Oh...and that one screw to replace cassette pulleys...haha. Remove the bypass and a dozen more screws just to get the over-engineered feed unit. 10 screws and 5 e-clips later you've changed the tires.
But color is gravy. No problems, drums remove like toner bottles. No excessive spillage or waste issues. Quality A+