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2F2F Non-discharge detection error
As a result of nozzle checking made by the non-discharge detection unit:
All 640 nozzles in a nozzle train are non-discharging.
At least 50 nozzles have been found mismatched in a nozzle train of 640 nozzles since the last
session of detection.
ReferenceThe change (between non-discharging and discharging nozzle counts) noted since ([email protected])for questions
From the service manual: 917 .00 Problem with transfer - transfer servo start error. • Check HVPS • Check system board • Check HVPS/input sensor/toner sensor cable.
Often the problem is caused by the transfer roller (foam roller underneath the toner) not seated correctly (the gear should be at the right side of the printer). Less often the charge roller is missing (the roller that comes down when you close the front door).
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