Epson Stylus Photo RX700 Service Manual page 31

EPSON Stylus Photo RX700
2.2.6.3 Transmission Path of Driving Force for the Paper Loading
Mechanism
The ASF Motor switches the paper source between the two feeders by changing the
direction of rotation. This section describes the transmission path of driving force from
the ASF Motor and each paper loading mechanism.
CCW: Front paper loading
CW : Rear paper loading
ASF Motor
Composite Gear Composite Gear
27.5, 15.2 17.5, 15.2
ASF Gear
See Flowchart
17.6
2-1.(p.32)
Spur Gear 11.2
FD Belt
FD Gear 9.6
Spur Gear 14.4
The belt runs only during
CCW rotation of motor.
Pick Up Roller
Transports paper
Flowchart 2-1. Transmission Path of Driving Force from the ASF Motor 1
Operating Principles
Composite Gear
27.5, 15.2
ASF Motor
FD Belt
Composite Gear
17.5, 15.2
ASF Gear 17.6
Spur Gear 11.2
Spur Gear 10 Pick Up Gear
Spur Gear 12.8 (x2)
Pick Up Clutch
Pick Up Belt
Moves the ASF Pick Up
Pick Up Retard Shaft
Shaft Assy up and down
CW: Up (retracted)
CCW: Down (paper transport)
Mechanism Operating Principles
Pick Up Gear
Pick Up Roller
Pick Up Clutch
Only during CCW rotation of the motor,
the Pick Up Clutch transmits driving
force to turn the Pick Up Roller.
Spur Gear 14.4
Spur Gear 10
Figure 2-20. Transmission Path of Driving Force from the ASF Motor 1
Revision A
Spur Gear 12.8 Pick Up Cam
During CCW rotation of the motor, the rear spur
gear is engaged with Pick Up Cam, to move it
rearward so that ASF Pick Up Shaft Assy lowers.
FD Gear 9.6
During CCW , the PF Rear Clutch is
brought down toward the front to
disconnect the drive mechanism from
the ASF Rear Assy.
31