Brother International HL-2400C Service Manual - Page 59
Process of Charging Refer to Fig.4-12.
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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 -V0(V) with the 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 -V0(V) by generating a negative charge. Grid Corona wire ZD CBV CHV Fig.4-11 -V0 Case Cleaning (Blade) Charging Fig.4-12 IV-10