Epson Stylus Color C70 Service Manual page 44

EPSON Stylus COLOR C70/C80
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.
Silence lever
Figure 2-12. Standby condition (3)
During paper feeding, the LD roller is only rotated by combination gear
ratchet 34.4, but in standby mode, the planetary gear set drives the
drive LD and spur gear 12 drives combination gear ratchet 34.4, and
both cause the LD roller to rotate.
combination gear
ratchet 34.4
spur gear 12
Figure 2-13. Standby condition (4)
Operating Principles
Silence cam
B
A
Drive LD
Planetary gear set
SILENCE CAM MECHANISM
Following is the operation principles mentioned how to operate the silence CAM to
drive ASF hopper quietly.
Step 1 : Initial Status for both Silence CAM and LD Roller
1. Usually, silence cam is in the following initial condition. And hopper is in stand-
by condition to allow user to set the paper. (plain paper 150 max.)
2. Figure 2-14 shows initial condition for silence cam, and Figure 2-15 shows initial
condition for the hopper, LD roller, and paper return lever.
Slowdown nail
Figure 2-14. Silence Cam mechanism (1)
LD roller
Figure 2-15. Silence Cam mechanism (2)
Overview
Coupling shaft
Silence cam
Coupling shaft
limitation lever
Paper return
Revision A
lever
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