02/20002-5DocuPrint N2025/N2825 Error Code TableStatus Indicator Repair Analysis ProceduresInitial IssueError Code TableTable 1 Error Code TableComments On LIne Message Fault History Entry Diagnostic Message Error Description ActionIOT NVM FailPower Off/OnU6 U6: NVM Fail 1. A read error is detected duringpower on.2. A write error is detected duringwrite to the Nonvolatile Memory.Power Off and OnGo to RAP 19Motor FailurePower Off/OnU1 U1: Motor Fail Motor Fail signal is declared 0.75 sec-onds after start of Main Motor.Power Off and OnGo to RAP 16Laser FailurePower Off/OnU2 U2: ROS Fail 1. Laser Signal intervals are longerthan the Ready time interval 20 sec-onds after the start of Laser warmup.2. The laser power does not reach thevalue in NVM when the laser diodeis switched on after the start ofLaser warm up.3. Laser signal intervals becomelonger than the Fail time intervalafter Laser warm up is completed.Power Off and OnGo to RAP 17Fuser FailurePower Off/OnU4: Fuser Fail 1. Fuser temperature drops below theset temperature after the Fuserwarm up is complete.2. Fuser warm up does not completewithin 110 seconds.3. Thermistor circuit is detected to beopen.4. Fuser temperature rises above theset temperature.5. Heat rod is on for 10 seconds whenthe Main Drive Motor is stopped,after the Fuser warm up is com-pleted.Power Off and OnGo to RAP 18Fan FailurePower Off NowU5 U5: Fan Fail 1. Fuser Fan has failed.2. LVPS Fan has failed.Check the Fuser Fan and theLVPS Fan.Power Off and OnGo to RAP 20Close Offset Door E5: OCT Rear Door OCT rear door interlock switch is open. Close OCT rear doorGo to RAP 692000 Sheet Feederinstalled as Tray 2Close Tray 2RearE5: HCF Cover 2000 Sheet Feeder rear cover interlockswitch is openClose 2000 sheet feeder rearcoverGo to RAP 652000 Sheet Feederinstalled as Tray 3Close Tray 3RearE5: HCF Cover 2000 Sheet Feeder rear cover interlockswitch is openClose 2000 sheet feeder rearcoverGo to RAP 65