Oki B431L6

6. Procedures for Repairing
Oki Data CONFIDENTIAL
44983601TH Rev.1
6-16 /
Fuser unit Assy (Error 170) (Error 171) (Error 172) (Error 173)
• IIsthethermistorconnectorinsertedintotheTHERMconnectorofthemainboardnormally?
• No InserttheThermistorconnectorcorrectly.
• Yes IstheheaterconnectornormallyinsertedintheCN201connectorofthelow-voltagepower.
• No Inserttheheaterconnectorappropriately.
• Yes IstheheaterONwhenturningonthepower?
• No ReplacethefuserunitAssy,low-voltagepowerormainboard.
• Yes ReplacethefuseruntiAssyorthemainboard.
Thermistor connector
Heat connector
Figure 6-1
Interface Error (Error 182)
• IstheSecondTrayunitused?
• Yes IstheprintermainbodyappropriatelysetontheSecondTrayunit?
• No Settheprintermainbodyappropriately.
• Yes Replacethemainboard.
• Hasthetroublebeensolved?
• No Check the trouble according to the maintenance manual of the Second Tray
unit of the appendix C.
• Yes Completed.
• No Replacethemainboard.