Xerox WorkCentre 5022 Service Manual page 125

062-277 DADF Communication Fail
BSD-ON: CH3.1
Transmission cannot be established between the ESS/MCU PWB and the DADF PWB.
Cause/Action
1. Turn the power OFF and ON.
2. Turn OFF the power and check the connections between the ESS/MCU PWB J421 and
the DADF PWB J751, J752 for open circuits, short circuits, and poor contacts.
3. If no problem is found, replace the following parts in sequence:
• DADF PWB (PL 56.2)
• ESS/MCU PWB (PL 18.3)
Version 1.0
WC 5022/5024
062-300 Platen I/L Open
BSD-ON: CH6.1
• The DADF was opened when there is a document inserted in the DADF.
• A document is inserted into the DADF when the DADF is open.
Cause/Action
1. Check whether the DADF is mechanically closed properly.
2. Check the actuator of the Platen Angle Sensor for operation failure and damage. (PL 1.9)
3. Check the following sensors:
• Platen Open Sensor (Input Check [062-300])
• Platen Angle Sensor (Input Check [062-301])
• DADF Document Set Sensor (Input Check [005-102])
4. If no problem is found, replace the following parts in sequence:
• Platen Open Sensor (PL 1.9)
• Platen Angle Sensor (PL 1.9)
• DADF Document Set Sensor (PL 56.6)
• ESS/MCU PWB (PL 18.3)
06/2014
2-103
Status Indicator RAPs
062-277 DADF Communication Fail