JUNE 2002 © TOSHIBA TEC
5 - 111
e-STUDIO550/650/810 TROUBLESHOOTING
A p p r o x .
188mm
Toner offset (Shadow image appears approx. 188 mm toward the dark image.)
Defective area
Step
Check Items
Prescription
Remarks
Density
1
Is the density too high?
Adjust the density.
Fuser unit
2
Is the pressurization of the fuser
Check the pressure releasing parts
roller normal?
and pressurization mechanism.
3
Is the thermistor in contact with the
Contact the thermistor with the fuser
fuser roller?
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 temperature of the fuser roller
Check the adjustment values of fuser
normal?
roller temperature?
08-410:12 (200
°
C)
08-411:12 (200
°
C)
7
Using the specified fuser roller and
Use the specified fuser roller and the
the pressure roller?
pressure roller.
8
Is the pressurization of cleaning web
Check the installation state of
normal?
cleaning web mechanism.
9
Is the cleaning web transported
Check the drive system of the
normally?
cleaning web.
Check and correct setting (08-940)
10 Has the cleaning web reached its PM life?
Replace the cleaning web.
11 Using the specified cleaning web?
Use the specified cleaning web.
12 Is there any trouble with the thermistor?
Clean or replace the thermistor.
Paper
13 Has the appropriate paper mode been Select a proper mode.
selected?
14 Using the recommended paper?
Use the recommended paper.
Developer material
15 Using the specified developer
Use the specified developer material
and toner
material and toner?
and toner.
Scanner
16 Are the original glass (especially
Clean them.
shading position), mirror and lens density?
(4) Toner offset
Feeding direction