21 May, 1999
PRINTING
2-7
Detailed
Descriptions
2.2.2 OPC DRUM
The cartridge contains an organic photo-conductor drum [A]. The diameter of the
drum is 24 mm. The main motor [B] drives it through a gear train. The same gear
train also drives the toner application roller [C], development roller [D], and transfer
roller [E].
The drum, development roller, fresh and used toner tanks, and cleaning
mechanism are all included in the cartridge, which is known as the “All-in-One”
cartridge.
2.2.3 CHARGE
The cartridge contains a charge brush roller [A]. The diameter of the roller is 12
mm. The charge brush roller does not generate ozone. The power pack applies a
constant voltage of about –1.2 kV. The charge brush roller gives the drum surface
a negative charge (-750V).
H547D504.WMF
H547D517.WMF
[A]
[B]
[C]
[D]
[E]
[A]
