Operation panel/intermediate cabinet, Frame major parts – Sharp SF-1120 User Manual
Page 69
G. Developing unit color identification
Color identification is made for different resistances of the developing
unit.
Color
Resistance
(K
Ω
)
Identification signal voltage (DVC) [V]
Black
0
0
Red
6.2
2.25
Blue
12.0
2.97
8.Operation panel/intermediate cabinet
1
Open the front cabinet.
2
Remove two screws
A
, two screws
B
, and two harnesses con-
nected to the operation panel unit.
2
Remove the operation panel unit.
3
Remove the process cover unit, remove six screws
C
and two
connectors, and remove the intermediate cabinet.
9. Frame major parts
9-1. Cooling fan motor replacement
A. Cooling fan motor removal
1
Remove the original cover, the original guide, the upper cabinet
left, and the upper cabinet right.
2
Remove the upper cabinet and the rear cabinet.
3
Remove the cooling fan from the CFM duct. (2 screws, 1 connec-
tor)
6.2KF
DVC
Vref (About 4.5)
Developing unit
B
A
A
C
C
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