SHARP AL800
Manual de Servicio

(8)

Remove the screw, and remove the no. 2 mirror (fθ mirror) (S005/Ua001/P004).

* Cleaning
Use absolute alcohol to clean the No. 1 cylindrical lens (S005/ Ua001/P010).
S005/Ua001/P010/CLN

S005/Ua004/P004/CLN

Use absolute alcohol to clean the scanner mirror (motor) unit, and the laser beam sensor. Clean the whole surface of the scanner mirror (motor) unit as shown in the figure below.
S005/Ua001/P005

* Cleaning
Use absolute alcohol to clean the concave surface of the no. 2 mirror (fθ mirror). (9) Remove the scanner cover. (10) Remove the screw and the connector, and remove the scanner mirror (motor) unit (S005/Ua001/P005).

* Troubles caused by improper work
1) Print image defect (Insufficient print density) (Streaks in the main scanning direction) (Image lack) (E7-03 error) (15) Remove the MCU (PCU) PWB S009/Ua002 . (16) Remove the power PWB unit. S009/Ua001 . (17) Remove the scanner (writing) unit. S005/Ua001 . (18) Remove the screw and the connector, and remove the toner empty sensor (S005/Ua001/P011).

(11) Remove the screw, and remove the laser unit (S005/Ua001/ P006). (12) Remove the connector, and remove the laser beam sensor PWB (S005/Ua001/P007). (13) Remove the screw and the spring, and remove the paper feed solenoid (S005/Ua001/P080). (14) After removing the laser beam sensor PWB, remove the paper empty detector (S005/Ua001/P009) along the boss direction.

S005/Ua001/ P005

9 � 20