Technical Bulletin  PAGE: 3/4 
 
[1] Variable brake 
[A] and [B] are the variable brake. 
 
 
[2]: One way clutch method 
One-way clutch method is before.  Ratchet method is after. 
           One-way clutch method                Ratchet method 
   
 
 
 
Action to take on MIF: 
Please install a new cleaning unit (p/n: D1294304) when a cleaning web issue occurs, 
because individual parts are not compatible due to modification of a frame on the fusing 
unit. After that, individual parts can be replaced.