6. Procedures for Repairing
43984801TH Rev.1
109 /
Oki Data CONFIDENTIAL
④
Fuser unit Assy (Error 170) (Error 171) (Error 172) (Error 173)
• Is the thermistor connector normally inserted in the CN2 connector of the high-voltage power/ sensor
board?
• No
Insert the Thermistor connector correctly.
• Yes
Is the heater connector normally inserted in the CN1 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