CD261 (bizhub 950i/850i)

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Trouble typeCD261: USB hub board failure
RankC
Trouble detection condition– When a failure is detected in USB hub board included in the local interface kit.
– Non-standard USB device is connected.
Trouble isolation–
Relevant electrical parts– CPU board (CPUB)
– Base board (BASEB)
– USB hub board (USBHB; EK-611 or EK-610)

Procedure

  1. Check the operation with another USB device.
  2. Check USBHB for proper connection and correct as necessary.
  3. Replace USBHB.
  4. Replace CPUB.
  5. Replace BASEB.

(Link to the Field Service Manual)