MX-4100N, MX-4101N, MX-5000N, MX-5001N (serv.man28). Service Manual-Details Of Each Section-(I)Photoconductor Section - Sharp Copying Equipment Service Manual (repair manual). Page 3

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MX-4101N  PHOTOCONDUCTOR SECTION  i – 3
4)
The whole surface of the OPC drum is discharged.
By radiating the discharge lamp light to the discharge lens,
light is radiated through the lens to the OPC drum surface.
When the discharge lamp light is radiated to the OPC drum
CGL, positive and negative charges are generated.
Positive charges generated on the CGL are attracted by the
negative charges on the OPC drum surface. On the other
hand, negative charges are attracted by the positive charges in
the aluminum layer of the OPC drum.
Therefore, positive and negative charges are balanced out on
the OPC drum surface and in the aluminum layer, reducing
positive and negative charged to decrease the surface voltage
of the OPC drum.
3.  Disassembly and assembly
A. Drum unit
1)
Open the front cover.
2)
Remove the waste toner box unit.
3)
Loosen the blue screw. Check to confirm that the lock is
released, and open the drum positioning unit.
(CAUTION)
When the transfer belt tension of the primary transfer unit is
manually released, turn the power OFF/ON after completion of
the operation. This procedure initializes the transfer roller to
return it to the home position.
4)
Open the DV lock lever, and release the fixing screw.
(1position for each color)
CGL
CGL
Aluminum
layer
Aluminum
layer
CTL
CTL
Lens
2
1
A
B
1
2
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