Maintenance and Servicing

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Maintenance and Servicing

Cassida 6600 Bill Counter

Dust buildup on the infrared (IR) count sensors may cause a DBL ("double feed") error. If the buildup is heavy, it may require cleaning the IR sensors with a cotton swab and isopropyl alcohol.

There are two pairs of IR sensors in the 6600 series. Each pair consists of an emitter and a receiver. The photo below shows the location of these sensors. You can see the receiver in View "C". The emitter is located on the metal bracket immediately above the receiver.

To clean, turn off and unplug the 6600.
Use a cotton swab moistened with isopropyl alcohol (not dripping wet).
Gently clean the emitter and receiver for both left and right sensors.
Use a dry swab to remove any residual alcohol that may remain.
Finish by using the air duster to remove any cotton swab particles that may remain.

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