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Brother International MFC 8890DW Service Manual - Page 164
Disconnect the Connector from the Driver PCB., Remove the cup S M3x6 Taptite screw
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Page 164 highlights
(16) Remove the cup S M3x6 Taptite screw, remove the ADF FG harness and FB FG harness. (17) Disconnect the Connector from the Driver PCB. (18) Disconnect the two Connectors from the Main PCB. Driver PCB Connector (ADF motor harness) ADF FG harness FB FG harness Taptite cup S M3x6 Connectors (ADF relay harness) Connector (FB cover sensor) Main PCB Fig. 4-12 Main PCB 4-9 Confidential
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4-9
Confidential
(16) Remove the cup S M3x6 Taptite screw, remove the ADF FG harness and FB FG
harness.
(17) Disconnect the Connector from the Driver PCB.
(18) Disconnect the two Connectors from the Main PCB.
Fig. 4-12
Driver PCB
Main PCB
Main PCB
<Left side>
Connector
(ADF motor harness)
Connectors
(ADF relay harness)
Connector (FB cover sensor)
FB FG harness
Taptite cup S M3x6
ADF FG harness