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FIXING UNIT CF5001 Ver.1.0 Sep. 2003
2-62
II UNIT EXPLANATION
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
fixing paper exit roller [3]. There is a one-way clutch [4] provided between M29 and fixing roller /U, and the
transmission of driving force when M29 rotates in the normal direction is limited only to the fixing roller /U
and the fixing paper exit roller.
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 one-way clutches [4] and [5] operate one way
in the opposite direction of each other.
8050ma2044
[2]
[4] [4][5][6]
[1]
[3]