Toshiba e-studio550 Service Manual page 53

(9) Discharging
Discharging is a process of eliminating the (–) charge
remaining on the photoconductive drum before the
Dischage LED array
next charging process begins.
If discharging does not occur, the following
phenomenon will occur:
Drum
The (–) charge remains on the photoconductive
drum.
Uneven charge is applied to the drum during the
next copy.
The next copy has a double image. (Preceding image
appears.)
Solution :
Expose the entire surface of the photoconductive
drum to the light by the discharge LED array.
The photoconductive drum becomes electrically
conductive.
All the (–) charges remaining on the photoconductive
drum are conducted to the ground.
The preparation for the next copy is completed.
JUNE 2002 © TOSHIBA TEC 3 - 9 e-STUDIO550/650/810 COPY PROCESS