You can access the transport mechanism to extract a stuck sheet of paper by opening the top cover. The heater can also been seen then. There are some warnings on the heater, but it is protected with the high ribbing against accidental touch. The two pressure rollers on the inside of the opened top cover indicate that the developer didn’t try to save on small things.
The cartridge compartment is located behind the opaque front cover. It is fitted into its place along the plastic guides and is secured with a rather stiff latch.
The cartridge from Konica Minolta is exactly the same as Epson’s. Konica was actually the developer of this separable design.
There is a large plug on the side of the toner container, so you can refill it when necessary because the service life of the photo-drum is many times that of the toner container.