Cartridge toilet question
So we've got a 14SO popup. Thought I would go ahead and empty the toilet cartridge today even though it wasn't really full. So I step outside and attempt to move the external half-door out of the way. Uh-oh. It barely moves before it hits the main camper door near the hinge. I can barely open it far enough to open the toilet cartridge access door. And there is NO way to actually *remove* the cartridge. In order to do so, it appears that I have to remove the main door (including untucking all the canvas). That is ridiculous!
Am I missing something here?