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Fault Code 018-505: SMB DOS Protocol Error Message

Product support for: WorkCentre 7425/7428/7435
Article ID: KB0239244
Published: 2017-09-27

Make Sure the Scan Username and Password Are Correct, Then Modify the Scan Username and Password Using CentreWare Internet Services (CWIS)
Make Sure the SMB Settings on the Printer Are Correct