2-20
Fuser unit Assy (Error 170) (Error 171) (Error 172) (Error 173)
• Is 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 CN2 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.
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 .
• Yes
Completed.
• No
Replace the main board.
Figure 2-1
Thermistor connector
Heat connector
2. Procedures for Repairing
