March 2005 © TOSHIBA TEC e-STUDIO520/600/720/850 TROUBLESHOOTING
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5
6) Poor fusing
Fig.5-6
Defective area Step Check items Prescription
IH electric power 1 Check if the connector contacts prop-
erly.
Correct it.
2 Is the IH coil shorted or broken?
Is there any abnormality on the
Heater Control PC board.
Replace the IH Coil or Heater Control
PC board.
Pressure between fuser
roller and pressure roller
3 Are the pressure springs working
properly?
Check and adjust the pressure
springs.
Fuser roller temperature 4 Is the temperature of the fuser roller
normal?
Check the setting and correct it.
08-410, 411
Developer material/Toner 5 Using the specified developer mate-
rial and toner?
Use the specified developer material
and toner.
Thermistor 6 Is there any problem with the ther-
mistor?
Clean or replace the thermistor..
Paper 7 Is the paper in the drawer or LCF
damp?
Avoid storing paper in damp place.
8 Is the paper type corresponding to its
mode?
Use the proper type of paper or
select the proper mode.
9 Is the setting temperature of the fuser
roller in each paper type normal?
Check the setting and correct it.
08-410, 412, 413, 437, 1804
10 Using the recommended paper? Use the recommended paper.
Feeding direction
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