Read Sharp AL-840 (serv.man8) Service Manual online
S004/Ua001
Scanner unit
(1)
Remove the rear cabinet S001/P001 .
(2)
Remove the front upper cabinet S001/P002 .
(3)
Remove the right cabinet S001/P003 .
(4)
Remove the left cabinet S001/P004 .
(5)
Remove the document table glass S001/P007 .
(6)
Remove the fan motor unit S010/P001 .
(7)
Remove the screw, the connector, and the hook, and remove
the scanner unit (S004/Ua001).
the scanner unit (S004/Ua001).
S004/Ua001/P001
Scanner home positions sensor
S004/Ua001/P002
Scanner (copy) lamp drive PWB
S004/Ua001/P003
Scanner motor
S004/Ua001/P004
Scanner motor gear
S004/Ua001/P005
CCD unit
S004/Ua001/P006
Scanner rail
S004/Ua001/P007
Scanner shaft
S004/Ua001/P008
Scanner drive wire
(1)
Remove the rear cabinet S001/P001 .
(2)
Remove the front upper cabinet S001/P002 .
(3)
Remove the right cabinet S001/P003 .
(4)
Remove the left cabinet S001/P004 .
(5)
Remove the document table glass S001/P007 .
(6)
Remove the fan motor unit S010/P001 .
(7)
Remove the screw and remove the scanner shaft.
(8)
Release the hook, cut the binding band, and remove the scan-
ner home position sensor (S004/Ua001/P001).
ner home position sensor (S004/Ua001/P001).
*
Troubles caused by improper work
1) L1-00 trouble
2) L3-00 trouble
(9)
Remove the screw and remove the dark box cover.
(10) Remove the screw and the connector, and remove the scanner
lamp drive PWB. (S004/Ua001/P002).
S004/Ua001
S004/Ua001/P001
S004/Ua001/P002
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