FIXING UNIT hp Color 9850mfp 12.2 Operation 12.2.1 Fixing drive control Paper is conveyed with the heated fixing roller U and the heated fixing roller L pressed together, and is fixed with toner. The pressure of the fixing roller is released at idling. A. Fixing drive operation The driving force of the fixing roller (M29) [1] is transmitted through the gear to the fixing roller [2] and the II UNIT EXPLANATION fixing paper exit roller [3]. There is a one-way clutch [4] provided between M29 and fixing roller U, and the and the fixing paper exit roller.
transmission of driving force when M29 rotates in the normal direction is limited only to the fixing roller U The same shaft of the one-way clutch [4] is provided with another one-way clutch [5] which is a transmis- sion to the pressure/release drive cam mechanism [6]. The two one-way clutches [4] and [5] operate one way in the opposite direction of each other. [2] [3] [1] [4] [4] [5] [6] 2-66