Sharp MX-M550U

MX-M700N OPERATION PANEL B – 2
2. Operational descriptions
A. Outline
This section describes various types of settings, display and opera-
tion.
The LCD display section is controlled by the MFP CONTROL PWB.
The touch panel, operation keys and LED display are controlled by
the SCANNER CONTROL PWB.
3. Disassembly and assembly
A. Operation panel
(1) Operation panel unit
1) Remove the screws. Remove the upper right cabinet.
2) Remove the cover of the operation section.
3) Disconnect each cables.
4) Remove the earth terminal.
5) Disconnect the cable while saving an operation panel unit.
a. Operation control PWB
1) Remove the operation panel unit.
(See "(1) Operation panel unit")
2) Remove the earth terminal.
3) Remove the operation control PWB.
No. Unit No. Parts
(1) Operation panel unit a Operation control PWB
b LVDS PWB
c LCD INV-J PWB
d LCD unit
e Touch panel
(1)-b
(1)-a
(1)
(1)-e
(1)-d
(1)-c
3