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Removing Old Developer
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6. Remove the three screws on the developing unit cover and
detach the cover.
CAUTION
The toner sensor is sensitive to both electrostatic discharge
(ESD) and positional adjustment. Do not touch the sensor with
your hand or jar it from its factory-set position.
7. Put the developing unit in the plastic bag and do the following:
a. Remove the developer and toner in the toner hopper by
gently shaking the developing unit up and down with the
opening of the toner cartridge facing downward.
b. Rotate the developing unit and gently shake it, to allow any
remaining developer or toner to fall out of the cover slot.
8. Remove the developing unit from the plastic bag and place it on
a protected surface.
9. Remove any developer and toner which remains on the toner
supply roller and the auger by vacuuming the entrance of the
toner hopper using a toner vacuum cleaner equipped with a
narrow nozzle.
Legend:
1) Toner Spray-Guard Brush
10. Vacuum the toner from the toner spray-guard brush on the
developing unit.
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