Konica Minolta bizhub C203 Service Manual page 572

Field Service Ver. 1.0 Jul. 2007
16.5.104 CD261: USB host board failure
MFP board (MFPB)
Step
Check that the USB device in use is com-
1
pliant with the standard.
Check the operation with another USB
2
device.
Check the USB host board connector for
3 proper connection and correct as neces-
sary.
4 Change USB host board.
5 Change MFPB.
16.5.105 CD401: NACK command incorrect
16.5.106 CD402: ACK command incorrect
16.5.107 CD403: Checksum error
16.5.108 CD404: Receiving packet incorrect
16.5.109 CD405: Receiving packet analysis error
16.5.110 CD406: ACK receiving timeout
16.5.111 CD407: Retransmission timeout
MFP board (PRCB)
Step
Check whether there is an strong electro-
1
magnetic noise source near the main body.
Check the connectors on MFPB for proper
2
connection and correct as necessary.
3 Change MFPB.
Relevant parts
Action
Relevant parts
Action
USB host board (EK-603)
WIRING DIAGRAM
Control Signal
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WIRING DIAGRAM
Control Signal
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16. Malfunction code
Location (Electri-
cal Component)
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Location (Electri-
cal Component)
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527