March 2005 © TOSHIBA TEC e-STUDIO520/600/720/850 POWER SUPPLY UNIT
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7
7.2 Fuse
When the power supply secondary fuse is blown out, confirm that there is no abnormality with each part
using the following table.
Voltage Board/unit Part Fuse type
+24VA LGC board Developer unit motor M10 F4 : 8A (Semi time-lag)
Fuser cooling fan M28
Duct in fan M30
Developer unit fan M31
Laser unit cooling fan M32
Switching regulator cooling fan-1 M34
Switching regulator cooling fan-2 M35
Drum separation finger solenoid SOL1
Copy key card
+24VB LGC board Web motor M4 F3 : 8A (Semi time-lag)
New toner supply motor M5
New toner transport motor M6
Hopper motor M7
Recycle toner trans port motor M8
Used toner transport motor M9
Wire cleaner drive motor M12
Cleaning brush drive motor M13
Transfer belt cam motor M15
Transport motor M17
Exit motor M18
Reverse motor M19
Auto-toner sensor S12
Drum surface potential sensor S13
Main switch SW6
High-voltage transformer HVT
Discharge LED ERS
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