Sharp AR-C240P Especificações descarregar pdf (Página 127)

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4 Up/Down movement error of the image drum unit (ID)

• Turn the printer OFF, then turn it ON after a few seconds.

• Are all ID drums rotating properly during print operation?

• No Is the ID motor resistance within the regulated value (approx. 8.6. )?

No Replace the faulty IDU motor.

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• Yes Is 34V output to F3 and F5 on the engine board?

No Replace the low-voltage power unit.

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• Yes Check the cable connections, then replace the engine board.

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• Yes Is the IDU sensor terminal functioning properly?

No Check the gear mesh status and sensor terminal function, the replace the gear or sensor

terminal.

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• Yes Is the ID sensor terminal functioning properly?

(Check the JODEN connector pin signal on the driver board (K7N PXB).)

Pin 12 : IDU sensor - yellow

Pin 2 : IDU sensor - magenta

Pin 4 : IDU sensor - cyan

Pin 14 : IDU sensor - black

Are all at 5V level or 0V level?

No Replace the connection board (N71 PWB).

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• Yes Check the cable connection between the connection board (N71 PWB) and engine board

(K7N PWB), then replace the engine board.

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Sharp AR-C240P Especificações Página 127