(20) Remove the two B M3x6 Taptite screws, and then remove the Pulley ASSY.
(21) Remove the Pulley spring.
Taptite, pan B M3x6
Pulley spring
(22) Release the Hooks to remove the Photo interrupter.
(23) Disconnect the Connector from the Photo interrupter.
Photo interrupter
Hook
Connector
Scanner base ASSY
Pulley ASSY
Fig. 3-144
Hooks
Fig. 3-145
3-114
Confidential