Sharp AR-M450 Service Manual page 41

h. OC open sensor
1) Remove the rear cabinet.
2) Remove the OC open sensor.
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i. Mirror home position sensor
1) Remove the rear cabinet.
2) Remove the mirror home position sensor.
j. Scanner control PWB
1) Remove the scanner rear lower cabinet.
2) Disconnect the connector and earth band, and pull out the scanner
control PWB.
* When the scanner control PWB is replaced, the EEPROM must be
replaced.
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AR-M350 DISASSEMBLY AND ASSEMBLY, MAINTENANCE 7-6
k. Operation panel unit
1) Remove the operation panel lower cabinet.
2) Remove the harnesses.
3) Remove the scanner right cabinet.
4) Remove the operation panel unit.