Epson EMP-822 Service Manual page 72

When reassembling the Shutter Spring and the Shutter Ball, assemble in the
order of the following.
1). Keep the Shutter A open.
2). Put the Shutter Ball into the hole of the Shutter Frame.
3). Move the Shutter Ball to the direction of the arrow, then squeeze and
insert the Shutter Spring to the hole of the Shutter Frame. (Be careful not
to lose the Shutter Ball and the Shutter Spring during assembly.)
SEIKO EPSON
EMP-822/EMP-83/EMP-X5/EMP-S5
Shutter Frame
4-23
Shutter Spring
Shutter Ball
Figure 4-17.
Revision:A