Phaser 6180MFP Multifunction Printer Service Manual 3-65Error Messages and CodesInsert Transfer UnitThe printer does not detect the Transfer Unit. The following troubleshootingprocedure applies to this error.Applicable Chain Link■ Chain Link 094-910: Insert Transfer Unit (IOT DTB Detached)Initial Actions■ Remove and reseat the Transfer Unit.■ Cycle printer power.■ If the problem persists, follow the procedure below.Troubleshooting Reference TableApplicable Parts Wiring and Plug/Jack Map References■ Transfer Unit, PL4.1.1■ MCU Board, PL9.1.20■ Front Cover Harness, PL1.2.11■ Right Side Harness, PL10.1.15■ “Map 1 - Electrical and Drive” onpage 10-10■ “Map 4 - LVPS and MCU Board” onpage 10-13■ “Xerographic” on page 10-34Troubleshooting Procedure TableStep Actions and Questions Yes No1 Is the Transfer Unit installed correctly? Go to step 2. Reseat theTransfer Unit(page 8-9).2 Does the error still occur? Go to step 3. Complete.3 1. Check the wiring harness connectors P/J27, P/J272, and P/J2721 between theMCU Board and the Transfer Unit.2. Are the connectors securely connected?Go to step 4. Reconnecttheconnectors.4 Check the Right Side Harness for continuity.1. Disconnect P/J27 from the MCU Board.2. Disconnect P/J272 from the Front CoverHarness.3. Check continuity between P/J27 <=> P/J272.Go to step 5. Replace theRight SideHarness.