Sharp SF-1020 - G. Developing Unit Color Identification; Operation Panel;Intermediate Cabinet; Frame Major Parts; Cooling Fan Motor Replacement

G. Developing unit color identification
Color identification is made for different resistances of the developing
unit.
Color
Resistance
(KΩ)
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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