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TROUBLESHOOTING
5 - 25
4. Toner offset
Fig. 5-5
Toner offset (Shadow image appears approx. 94 mm toward the dark image.)
Defective area Step Check items Prescription
Density 1 Is the density too high? Adjust the density.
Fuser unit 2 Is the pressure of the fuser roller
normal?
Check the pressure releasing parts
and pressurization mechanism.
3 Is the thermistor in contact with the
fuser roller?
Contact the thermistor with the fuser
roller.
4 Is there a scratch on the fuser roller
surface?
Replace the fuser roller.
5 Has the fuser roller reached its PM
life?
Replace the fuser roller.
6 Is the setting temperature of the fuser
roller normal?
Check the adjustment values of fuser
roller temperature?
08-407, 410, 411, 450, 515, 516
Paper 7 Has the appropriate paper type been
selected?
Select a proper mode.
8 Is the setting temperature of the fuser
roller in each paper type normal?
Check the setting and correct it.
08-413, 437, 438, 451, 452, 453,
520, 521
9 Using the recommended paper? Use the recommended paper.
Developer material 10 Using the specified developer
material?
Use the specified developer material
and toner.
Scanner 11 Are the original glass (especially the
position of shading correction plate)
and CIS unit dirty?
Clean them.
Feeding direction
Approx.94mm
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