Read Sharp AR-M550 (serv.man12) Service Manual online
AR-M550/M620 DETAILS OF EACH SECTION 6 - 81
a-11. Image density sensor
1) Remove the upper cover. (See “a-9. OPC drum cleaner tempera-
ture sensor” in this section)
2) Disconnect the connector.
3) Remove the OPC drum unit. (See “a-1. OPC drum” in this section)
4) Remove the image density sensor.
a-12. OPC drum marking sensor
1) Remove the OPC drum unit. (See “a-1. OPC drum” in this section)
2) Remove the OPC drum marking sensor.
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