General Information 1-31
4022-XXX
Developer Roll: Supplies the drum with toner from the agitator.
CM Blade (Charging and Metering Blade): Applies the negative charge to toner on the
developer roll.
Cleaning Blade: Takes away toner remaining on the drum surface after the image is
transferred to the paper.
The toner cartridge is equipped with a circuit for turning on and off the printhead power. If
the toner cartridge is not mounted in the printer, the 5 V dc power circuit for generating a
laser is disconnected from the printer.
The printhead consists of the three components: Laser Diode (LD), Scanner Assembly,
and printhead card assembly.
The LD Assembly generates laser beams. The generated laser beams are set on and off
by a print data signal.
The light source of laser is a semiconductor laser diode of the nominal maximum output 4
mW.
The Scanner Assembly consists of a 6- or 12-side Polygon Mirror and Scanner Motor.
The Polygon Mirror is fixed to the shaft of the Scanner Motor.
Toner Cartridge
Front
Cartridge Present Cable
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