B. Disassembly/Assembly/Maintenance - Sharp AR-BC260 Service Manual

B. Disassembly/assembly/maintenance

a. ORS light emitting PWB
1) Remove the upper cabinet rear cover and the upper cabinet
rear unit.
2) Remove the screw, and remove the document size sensor
unit. Remove the screw and the document size sensor, and
remove the ORS light emitting PWB.
b. OCSW
1) Remove the upper cabinet rear cover and the upper cabinet
rear unit.
2) Remove the connector and the screw, and remove the
OCSW.
c. ORS light receiving PWB
1) Remove the FD connection cabinet, the front cabinet upper,
the FD paper exit port cabinet, and the operation panel plate.
2) Remove the connector and the screw, and remove the ORS
light receiving PWB.
AR-BC260 DESCRIPTIONS OF EACH SECTION 7 - 50
d. Operation key PWB
1) Remove the FD connection cabinet, the front cabinet upper,
the FD paper exit port cabinet, and the operation panel plate.
2) Remove the screw, and remove A and B.
3) Remove the screw and the connector, and remove the opera-
tion unit.
A
4) Remove the screw and remove the operation key PWB.
e. Inverter/LVDS PWB
1) Remove the FD connection cabinet, the front cabinet upper,
the FD paper exit port cabinet, the operation panel plate, and
the operation panel unit.
2) Remove the connector and the screw, and remove the
inverter/LVDS PWB.
B