Toshiba e-STUDIO520 Service Handbook page 496
Multifunctional digital systems
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Also See for e-STUDIO520:
- Service manual (466 pages) ,
- User functions manual (202 pages) ,
- Network administration manual (124 pages)
Table of Contents
6) Poor fusing
Defective area
IH electric power
Pressure between fuser
roller and pressure roller
Fuser roller temperature
Developer material/Toner
Thermistor
Paper
e-STUDIO520/523/600/603/720/723/850/853
TROUBLESHOOTING
Fig. 5-6
Step
Check items
1
Check if the connector contacts prop-
erly.
2
Is the IH coil shorted or broken?
Is there any abnormality on the
Heater Control PC board.
3
Are the pressure springs working
properly?
4
Is the temperature of the fuser roller
normal?
5
Using the specified developer mate-
rial and toner?
6
Is there any problem with the ther-
mistor?
7
Is the paper in the drawer or LCF
damp?
8
Is the paper type corresponding to its
mode?
9
Is the setting temperature of the fuser
roller in each paper type normal?
10
Using the recommended paper?
5 - 134
Prescription
Correct it.
Replace the IH Coil or Heater Control
PC board.
Check and adjust the pressure
springs.
Check the setting and correct it.
08-410, 411
Use the specified developer material
and toner.
Clean or replace the thermistor..
Avoid storing paper in damp place.
Use the proper type of paper or
select the proper mode.
Check the setting and correct it.
08-410, 412, 413, 437, 1804
Use the recommended paper.
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