Epson Stylus Photo 950, Service Manual

Page: 36 / 191

EPSON Stylus PHOTO 950 Revision A
OPERATING PRINCIPLES Printer Mechanism 36
3. The driving force from the PF motor is transmitted via combination gears 18.2 and
32.8, spur gear 22.4, the planetary gear set, spur gear 12 and the clutch body in that
order, causing the clutch and the LD roller to rotate counterclockwise.
Figure 2-13. Standby condition (2)
4. The hopper is moved back so that 150 sheets of paper can be loaded.
NOTE: Normally 20 to 30 sheets of paper should be loaded.
Clutch body
Spur gear 12
Combination gears
18.2, 32.8
Spur gear 22.4
LD roller
C H E C K
P O I N T
The silence cam and the silence lever on the ASF right frame apply a
large amount of torque from A to B in order to move the hopper back to
the standby mode position.
Figure 2-14. Standby condition (3)
During paper feeding, the LD roller is only rotated by combination gear
ratchet 33.4, but in standby mode, the planetary gear set drives the
drive LD and spur gear 12 drives combination gear ratchet 33.4, and
both cause the LD roller to rotate.
Figure 2-15. Standby condition (4)
A
B
Silence cam
Silence lever
Drive LD
Combination gear
ratchet 33.4
Spur gear 12
Planetary gear set