Ricoh BR-C1a Basic Service Training page 358

 The belt centering sensor switches on the belt centering motor [1]
to operate the pulley. This moves the belt centering roller [2] to
straighten the belt.
 A bracket at the rear of the belt centering roller is pulled at one
 To change the angle of the roller to center the belt, the motor pulls
 The HP sensor [3] is used to initialize the position of the bracket at
Slide 358
No additional notes
Belt Centering - 2
side by a spring, and at the other end by the motor.
the bracket, or releases the bracket to let the roller move back the
other way.
the start of each job and just after power is turned on.
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BR-C1 Training