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Step 7
Step 8
Step 9
Step 10
REV.-A
Remove the top edge sensor lever spring from the top edge sensor board using the tweezers.
Remove the CB screw (M2.5 X 4) securing the top edge sensor board set.
Remove the two CBS screws (M3 X 6) securing the both sides of (upper) paper guide, then
remove the (upper) paper guide. (See Figure 4-44.)
Remove the top edge sensor board with the lead wire and CSF sensor.
TE sensor lever spring
TE sensor board
CB (M2.5 X 4)
Figure 4-45. Top Edge Sensor Removal
ASSEMBLY POINTS:
•
Before installing the (upper) paper guide, insert the top edge sensor board into frame M.
•
Apply adhesive to the screws securing the top edge sensor board and CSF sensor. (See Chapter 6)
•
Adjust the positions of the (upper) paper guide and top edge sensor board so that the lever will be
positioned at the center of the photo coupler on the top edge sensor board.
•
Hook the paper eject guide plate spring at frame M as shown in Figure 4-46.
Frame M
_ _- - Spring
Figure 4-46. Paper Eject Guide Plate Spring
ADJUSTMENT REQUIRED
After removing the top edge sensor board, the following adjustment is required during the
assembly procedure:
• TE sensor roller position adjustment (See Section 4.3.2)
4-37
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