Read Sharp AR-M550 (serv.man13) Service Manual online
AR-M550/M620 DETAILS OF EACH SECTION 6 - 136
a-1. Resist roller front drive motor
1) Remove the resist roller unit. (See “2. Paper feed, paper transport,
duplex, and paper exit reverse sections” “(Vertical paper transport
section 2)”, “a. Resist roller unit”)
section 2)”, “a. Resist roller unit”)
2) Remove the flywheel. (See “b-1. OPC drum motor” in this section)
3) Remove the main motor. (See “a-1. Main motor” in this section)
4) Remove the main drive unit. (See “a-1. Main motor” in this section)
5)Remove the resist roller front drive motor.
a-2. Resist roller clutch
1) Remove the resist roller unit. (See “2. Paper feed, paper transport,
duplex, and paper exit reverse sections” “(Vertical paper transport
section 2)”, “a. Resist roller unit”)
section 2)”, “a. Resist roller unit”)
2) Remove the flywheel. ((See “b-1. OPC drum motor” in this section
(a. Drum drive unit))
3) Remove the main motor. (See “a-1. Main motor” in this section)
4) Remove the main drive unit. (See “a-1. Main motor” in this section)
5) Disconnect the connector, and remove the main drive frame.
6) Disconnect the connector, and remove the resist roller clutch unit.
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When installing, be sure to ensure that the projection of the plate is
engaged in the clutch rotation stopper.
engaged in the clutch rotation stopper.
7) Remove the bearing, the E-ring, and the set screw, and remove
the resist roller clutch.
a-1. Main motor
1) Remove the rear cabinet.
2) Disconnect the connector, and remove the main motor.
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