Sharp MX-4100N Service Manual page 512

3) Remove the screw, and pull out the scanner control PWB unit.
Disconnect the connector.
4) Remove the screw, and remove the scanner control PWB.
(2) HL PWB
1) Remove the upper cabinet rear cover and the rear cabinet.
2) Open the control box.
3) Disconnect the connector and remove the screw, and remove
the duct.
4) Remove the screw and disconnect the connector, and remove
the HL PWB.
(3) Secondary transfer PWB
1) Remove the upper cabinet rear cover and the rear cover.
2) Open the control box.
3) Remove the screw and disconnect the connector, and remove
the secondary transfer PWB.
(4) Driver main PWB
1) Remove the rear cabinet.
2) Remove the screw and disconnect the connector, and remove
the driver main PWB.
(5) Driver sub PWB
1) Remove the upper cabinet rear cover and the rear cabinet.
2) Open the control box.
3) Disconnect the connector and remove the screw, and remove
the driver sub PWB.
MX-5001N PWB SECTION P – 6