Konica Minolta bizhub C658 Service Manual page 1805

bizhub C658/C558/C458/C368/C308/C258
[1] Toner collecting screw
[3] Shutter close
4.3.4 Electrostatic charger control
• A charging roller is used in the electrostatic charger.
• The charging roller does not apply high voltages in comparison to a comb electrode and generates no ozone, so that no ozone filter is
mounted.
[1]
[3]
[1] Comb electrode charge
[3] Comb electrode
(1) Charge application start timing
• Charge is applied to the electrostatic charger application terminal when the photo conductor (transport motor and PC motor) drive motor
starts rotating at a steady speed.
(2) Charge application end timing
• Application of the charge to the electrostatic charger application terminal is terminated when the surface of the photo conductor which
faces the transfer belt as the 1st transfer output is turned OFF moves past the charging position.
[1]
[2]
[1] Charging roller
O THEORY OF OPERATION bizhub C658/C558/C458/C368/C308/C258 > 4. PHOTO
[1]
[2]
[3]
[2]
[4]
[4]
[2] Shutter
[4] Shutter open
[2] Roller charging
[4] Charging roller
[2] Electrostatic charger application terminal
O-30
CONDUCTOR SECTION