Sony C9000 service manual 112

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• Yes

2-5 DUPLEX jam

•Does the paper jam occur immediately after the printer is turned on?

•	Yes	Is the paper jammed at the in sensor, rear sensor or front sensor in the DUPLEX unit?
		Yes	Remove the jammed paper.
▼	No	Do the in sensor, rear sensor and front sensor in the DUPLEX unit operate properly?
•
		No	Replace the defective sensor.
▼	Yes	Check the cable connections at the in sensor, rear sensor and front sensor of the DUPLEX
•
		unit, or replace the DUPLEX unit board (V73 PWB).
▼		Does the paper jam occur immediately after paper is fed into the DUPLEX unit?
• No

•Yes Is the DUPLEX motor rotating?

No Replace the DUPLEX motor.

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• Yes Check gear engagement or replace the DUPLEX board (V73 PWB). Replace the DUPLEX unit.

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