Error Messages and Codes 3-65Duplicate IP Address DetectedAnother device on the network is using the IP address assigned to this printer.Unsupported ConfigurationMore than one 550-Sheet Feeder is detected. Stacking more than one 550-SheetFeeder is not supported and results in this error condition.Initial Actions:■ Ensure that only one 550 sheet feeder is installed.■ Clean the CTD (ADC) Sensor, then cycle the printer's power.■ If the problem persists follow the procedure below.Applicable Status Code:Code 164: Unsupported Configuration.Troubleshooting Reference TableApplicable Parts Wiring and Plug/Jack References■ Image Processor Board, PL9.1.3Troubleshooting Procedure TableStep Actions and Questions Yes No1 Check the TCP/IP Address stored in theprinter’s NVRAM.Is the address correct for the printer?Advise thecustomer of theaddress conflict.Enter the correctIP address.Troubleshooting Reference TableApplicable Parts Wiring and Plug/Jack References■ 550-Sheet Feeder w/ tray, PL11.1.1 ■ 550-Sheet Feeder P/J Locator (page 10-12)■ 550-Sheet Feeder Drive Wiring (page 10-34)Troubleshooting Procedure TableStep Actions and Questions Yes No1 Check the configuration of the Printer.Is more than one 550-Sheet Feederinstalled?Remove one ofthe 550-SheetFeeders.Go to Step 2.