Oki B431L6 Maintenance Manual page 125

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