Toner Cartridge Unit - Lexmark Optra C710 Service Manual

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Toner Cartridge Unit

Detecting a new cartridge

When initializing, a reflector attached to the new cartridge detect

lever installed in the cartridge, reflects light. A new cartridge detect

sensor installed in the bottom part of the printer, allows the cartridge

to be detected. Once the cartridge has been used the new cartridge

detect lever makes a turn and no additional reflections occur.

A new cartridge detect sensor:

Will be high "H" when a cartridge has been used. (Sensor

output at connector)

Will be low "L" when a cartridge is present.

Service Manual