Epson Stylus PHOTO 950 Service Manual page 37

EPSON Stylus PHOTO 950
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 2-16 shows initial condition for silence cam, and Figure 2-17 shows initial
condition for the hopper, LD roller, and paper return lever.
Silence cam
Slowdown nail
Figure 2-16. Silence Cam mechanism (1)
OPERATING PRINCIPLES
Coupling shaft
Coupling shaft
limitation lever
Printer Mechanism
LD roller
Figure 2-17. Silence Cam mechanism (2)
3. As you can see pictures, hopper is in the stand-by condition depending on
"coupling shaft limitation lever" position, and this continues keeping by the
"slowdown nail".
4. On the other hands, user can install paper(s) onto the hopper under the initial
hopper status, and the "paper return lever" prevents unexpected paper loading into
the printer internal.
NOTE: To make ASF activate, CR unit moves to left end of the CR shaft to push
the ASF trigger lever(ASF change lever), which is coupling in the clutch
gear system.
Revision A
Paper return
lever
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