Sharp MX-M550U Service Manual page 301

c. Separation roller
1) Pull out the paper feed tray units 1, 2.
(See "(1) Paper feed unit (Paper feed tray 1, 2)")
2) Unhook the claws to remove the paper guide.
(See "a-1. Pickup roller")
3) Remove the lower paper guide.
4) Unhook the claws to remove the reverse roller.
d. Torque limiter
1) Pull out the paper feed tray units 1, 2.
(See "a. Paper feed unit (Paper feed tray 1, 2)")
2) Unhook the claws to remove the paper guide.
(See "a-3. Separation roller")
3) Remove the separation roller unit.
4) Remove the torque limiter.
MX-M700N TRAY PAPER FEED SECTION F – 9
e. Lift wire (Rear)
1) Remove the paper feed tray units 1, 2.
(See "(1) Paper feed unit (Paper feed tray 1, 2)")
2) Remove the E-ring, slide the winding pulley, and loosen the
wire.
3) Disengage the pawl, and remove the wire.
4) Remove the resin E-ring.
5) Remove the wire.