Sharp AR-M550U - Document Size Detection Light Emitting PWB; Document Size Detection Light Receiving PWB

: Feb. 6 2004
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AR-M550/M620/M700 DETAILS OF EACH SECTION 6 - 100
3) Disconnect the connector, and remove the scanner home position
sensor.
a-20. Document size detection light emitting PWB
1) Remove the SPF unit. (See “a. SPF unit” in the “7. SPF section”)
2) Disconnect the connector and the earth terminal, and remove the
upper cabinet rear.
3) Remove the document detection fulcrum TIG, and remove the doc-
ument detection arm unit.
4) Remove the document detection arm lower, and remove the docu-
ment detection light emitting unit.
a-21. Document size detection light receiving PWB
1) Remove the operation base plate A.
2) Remove the document size detection light receiving PWB., and
disconnect the connector.
[Note for assembly]
• First, connect the harness to the PWB, and check that PWB parts
are properly connected. Then attach the PWB to the PWB holder.
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