3A traction available rollers - TJWalker + Associates, Inc.

Case 1:

Force from Wrap, Nip, or Vacuum Too Low

3A2 air layer entrained - TJWalker + Associates, Inc.

Case 2:

Coefficient of Traction Too Low

3A3 tension change at drive point - TJWalker + Associates, Inc.

Case 3:

Tension Change Across Drive Point Too High

3A4 MD roller drag ten change - TJWalker + Associates, Inc.

Case 4:

Roller Drag & Inertia Too High