It is unusual to coat paper and film in the same room and on the same coater. The dust from the paper gets into everything and must be cleaned up. Film is finicky about this dust, but paper is not.
At one time, Kodak had 6 paper coaters terminating in one room. At that time, 4 were running 24/7 365 while 2 were down for maintenance. They ran at 1000 ft / min and the web was 42" wide yielding 40" of good film or paper. Waste was under 10%, and startup used at least 10 meters (or yards) before they went dark. Later, they ran at up to 3000 ft / min.
Each machine was threaded with 1 master roll of leader and used 1 master roll as trailer to keep it threaded. The path length was about 1 mile and folded back on itself via an air bearing turnaround which was basically 2 90 degree turns.
There, I said it.
PE