Sharp FO-1850, Service Manual

Page: 42 / 120

6 Document guide upper
a. Remove the bottom plate ass’y from the mechanism unit
according to procedure 1-a.
b. Remove the top cover and paper out guide unit from the
mechanism unit according to procedure 2-b.
c. Remove the operation panel unit document guide lower
from the mechanism unit according to procedure 5-c.
d. Remove the document guide upper from the operation
panel unit according to the flowchart.
Parts list (Fig. 6)
No. Part name Q’ty No. Part name Q’ty
1 Operation panel unit 1 12 Separate spring 1
2 Screw (3
×
10) 2 13 Separate plate 1
3
Document guide upper
unit
1
14 Separation rubber 1
15 Feed spring 1
4 Panel lock lever spring 1 16 Pinch roller shaft 1
5 Panel lock lever 1 17 Pinch roller 2
6 Rear sheet 1
18
Document sensor lever
spring
1
7 Transfer gear 1
8 Bearing 1 19 Document sensor lever 1
9 Transfer roller 1 20 Insulation sheet 1
10 Idler gear (28Z) 1 21 Document guide upper 1
11 Idler gear (20Z) 1
13
12
21
14
15
19
18
20
11
10
16
17
4
5
9
6
2
8
2
3
1
1
2
4
5
7
8
3
6
21
13
14
15
12
11
9
17
18
19
20
16
10
After mounting to the
fulcrum and push down
to the direction of arrow
mark.
21
12
13
VIEW
Adjust the shaft and
bearing like a picture.
A VIEW
C VIEW
A hook department of is hooking
(document sensor lever
also same operation)
7
B
19
19
Rib
Front sensor lever mounting
Positioning rib
Hook
A hook of a document
guide upper is fit to
positioning rib of panel
unit.
2
3
B
C
A
18
18
18
Fig. 6
FO-1850TH
3 – 9