Oki MB280 - Preface; Laser Safety Information

PRINTER 3000 304 995 - 01
i
PRINTER MODEL-L1
           （
G191
）
SERVICE MANUAL
TECHNICAL DOCUMENT
6 September 2005
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1-3
Detailed
Descriptions
1.2.2 CHARGE
The OPC (Organic Photoconductor) drum [A] used in this machine is small in
diameter. This allows a very compact design.
A charge roller [B] charges the photoconductor. The charge roller has the
advantage of not generating ozone. A large negative voltage is applied from the
Power Supply Unit board to the charge roller. This charge roller gives the OPC
drum surface a negative charge.
The voltage to the charge roller is supplied through the terminal [C] from the Power
Supply Unit board.
G182D102.WMF
G182D003.WMF
[C]
[A]
[B]