Sharp AR-M550N Service Manual page 123

b-1. Toner sensor
1) Remove the toner hopper unit. (See "b. Toner hopper unit" in this
section)
2) Remove the cover.
3) Remove the toner sensor.
b-2. Toner motor 1
1) Remove the toner hopper unit. (See "b. Toner hopper unit" in this
section)
2) Remov the toner motor 1.
c-1. Toner motor 2
1) Remove the toner bottle. (See "b. Toner hopper unit" in this sec-
tion)
2) Remove the toner hopper unit. (See "b. Toner hopper unit" in this
section)
3) While pressing the bottle coupling, turn it 90 degrees to the left and
remove it. Remove the spring.
AR-M550/M620/M700 DETAILS OF EACH SECTION 6 - 68
4) Disconnect the connector, and remove the toner motor unit.
5) Remov the toner motor 2.