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输稿器总报代码005-906，传感器挨个擦了擦，还是不行啊

[jhy3051]

005-906 (DADF 250) DADF Feed Sensor Static Jam
BSD-ON:CH5.4
At the following timings, the Feed Sensor has turned ON.
1. at Power ON
2. Feeder Cover Interlock Close
3. Platen Interlock Close
DC330 Code to Check
• [005-204] DADF Feed Sensor
Check Items
• The sensor for a piece of paper or foreign object.
• The sensor to see if it is improperly installed.
• Check the following wires for an open wire, short or poor contact:
– DADF Feed Sensor J762-2 to DADF PWB J754-A5
– DADF Feed Sensor J762-1 to DADF PWB J754-A6
– DADF Feed Sensor J762-3 to DADF PWB J754-A4
• If the wires have no problem, replace the DADF Feed Sensor (PL 53.16) and the 250 DADF PWB
(PL 53.3) in order.