CD261 (bizhub 4700i)
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Contents
| Trouble type | CD261: USB hub board failure | 
| Rank | C | 
| 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-P08 or EK-P09)  | 
Procedure
- Check the operation with another USB device.
 - Check USBHB for proper connection and correct as necessary.
 - Replace USBHB.
(EK-P08 Part# ACCTH02100)
(EK-P09 Part# ACCTH02200) - Replace CPUB. (Part# ACTAH01003)
 - Replace BASEB. (Part# ACTAH02014)
 
