3-124 Phaser 6180MFP Multifunction Printer Service ManualError Messages and CodesPrinter Too HotThe printer is too hot. The following troubleshooting procedure applies to thiserror.Applicable Chain Link■ Chain Link 042-700: Printer Too Hot (IOT Over Heat Stop)■ Chain Link 142-700: Printer Too Hot (IOT Over Heat Forced Half Speed)Initial Actions■ Cycle printer power.■ If the problem persists, follow the procedure below.Troubleshooting Reference TableApplicable Parts Wiring and Plug/Jack Map References■ Feeder Assembly, PL3.2.1■ MCU Board, PL9.2.13■ Humidity Harness, PL10.1.15■ “Map 2 - Laser Unit and Feeder” onpage 10-11■ “Map 4 - LVPS and MCU Board” onpage 10-13■ “Xerographic” on page 10-34Troubleshooting Procedure TableStep Actions and Questions Yes No1 1. Check the room temperature.2. Is the room temperature over32° C?Adjust the roomtemperature toless than 32° C.Go to step 2.2 Did the user print large print jobs? Go to step 6. Go to step 3.3 1. Check the MCU Board for correctinstallation. Reseat the MCU Board(page 8-88).2. Does the error still occur whenprinting?Go to step 4. Complete.4 Check the Humidity Harness forcontinuity.1. Disconnect P/J26 from the MCUBoard.2. Disconnect P/J261 from theHumidity/Temperature Sensor.3. Check continuity between P/J26 <=>P/J261.Go to step 5. Replace theHumidityHarness.