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1. Toner hopper
The small
container built into the removable casing which houses the toner that is
applied to the page.
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2. Seal
Removable
protective strip for preventing toner from spilling prior to installation
used in HP and many other cartridges, but not in most Lexmark cartridges.
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3. Doctor blade
Ensures the
precise amount of toner is always distributed to the Developer or Magnetic
Roller.
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4. Developer or Magnetic roller
Transfers toner
to the OPC Drum. Also called a Magnetic Roller in systems using magnetic
toner where a magnet attracts toner (containing magnetite) for transfer to
the drum.
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5. Waste bin
Collects the
residual toner wiped from the OPC Drum because it has been charged and can no
longer be used.
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6. Wiper blade
Stays in
constant contact with drum and wipes away any residual toner applied to the
page.
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7. Primary charge roller (PCR)
Conditions or
charges the OPC prior to laser-writing the image. This is accomplished by
applying a uniform negative charge. The PCR also discharges or “erases” the
laser image.
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8. Organic photo-conductor
A multi-film
layered aluminum drum, precision ground to extremely close tolerances to
ensure the optimum circular surface. Because the quality of the surface of
the OPC Drum is the most reliable way of ensuring the overall quality of the
cartridge, We use only new OPC Drums.
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9. Drum shutter
Protects the OPC
Drum from exposure to light while the cartridge is out of the machine and
retracts in the printer.
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