The photograph above shows the main control board removed (x4, 
x All).
[A]  | Pre-Stack Transport Motor  | 
[B]  | Pre-Stack Junction Gate Motor  | 
[C]  | Pre-Stack Stopper Motor  | 
Pre-Stack Transport Motor
Remove the rear cover. (Left Covers, Rear Cover, Top Cover, Shift Cover)
Remove the main control board bracket. (
x4,
x All,
x8)
Remove the motor unit. (
x2,
x1)
Remove the pre-stack transport motor [A]. (
x2)
Pre-Stack Junction Gate Motor
Remove the rear cover. (Left Covers, Rear Cover, Top Cover, Shift Cover)
Remove the main control board bracket. (
x4,
x All,
x8)
Remove the pre-stack junction gate motor [A]. (
x2,
x1,
x1)
Pre-Stack Stopper Motor
Remove the rear cover. (Left Covers, Rear Cover, Top Cover, Shift Cover)
Remove the main control board bracket. (
x4,
x All,
x8)
Remove the pre-stack stopper motor [B]. (
x2,
x1,
x1)