Larry is correct, and I might add to be sure to use plenty of water with each use. And keep the dump valve closed even when connected to sewer until the tank is 1/2 or more full. Water is essential when you dump to carry the solids out.
And try not to use that super soft, puffy TP.....it is codusive to cloggs.
Use the John Wayne TP........rough, tough, don't take no s!!t of anyone.
Region 3 , 1st VP
Go often to the house of a friend, for weeds choke the unused path........Emerson
Never pick a fight with an old man. If he is too old to fight he will just kill you........a wise old man.