Details Of Each Process - Brother HL-2600CN Service Manual

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1.1.3

Details of Each Process

1
Charging
The charging process ensures that the OPC belt is evenly charged by the charger
system.
(1)
Structure of the Charger Unit (Refer to Fig.4-8 and Fig.4-11)
i) The charger unit is located as shown in Fig.4-8.
ii) The charger unit consists of the case, corona wire and grid.
iii) The charger unit charges the OPC belt surface to the potential -V
corona charge.
iv) The charger unit has the grid controlled to the constant voltage ZD(V) for even
charging.
(2)
Process of Charging (Refer to Fig.4-12.)
i) The status of the OPC belt surface before charging is -CBV(V).
ii) The charger unit charges the OPC belt surface evenly to -V
negative charge.
Grid
ZD
CBV
Corona wire
Case
CHV
Fig.4-11
IV-10
Cleaning
(Blade)
Charging
Fig.4-12
(V) with the
0
(V) by generating a
0
-V
0

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