Toshiba e-STUDIO255 - White Banding or White Viod(in the Feeding Direction)

e-STUDIO205L/255/305/355/455 © 2009 TOSHIBA TEC CORPORATION All rights reserved
ERROR CODE AND TROUBLESHOOTING
6 - 128
6.4.9 White banding or white viod(in the feeding direction)
Fig. 6-9
Defective area Step Check items Prescription
Laser optical unit 1 Is there a foreign matter or stain on
the slit glass?
Remove the foreign matter or stain.
Main charger grid 2 Is there a foreign matter or dew on
the charger grid?
Remove the foreign matter.
Toner cartrige 3 Is the adhered foreign matter
blocking the laser light path?
Remove the foreign matter.
Developer unit 4 Is the floated lid of the developer
bottle blocking the laser light path?
Check the lid and place it properly.
5 Is the developer material transported
properly?
Remove the foreign matter if there is
any. *1)
6 Is there a foreign matter or dew on
the drum seal?
Remove the foreign matter or dew.
7 Is the upper drum seal of the
developer unit in contact with the
drum?
Correct the position of the drum seal
or replace it.
Drum 8 Is there a foreign matter on the drum
surface?
Replace the drum. If there is a
convex foreign matter adhering to the
drum surface, it indicates that the
blade edge at this area is worn out. In
this case, replace both the drum and
the drum cleaning blade.
Transport path 9 Does the toner image contact with
any foreign matter before the paper
enters the fusing section after the
separation?
Remove the foreign matter.
Discharge LED 10 Is any of the discharge LEDS off? Replace the discharge LED.
Scanner 11 Is there a foreign matter on the light
path?
Remove the foreign matter.
12 Are the original glass (especially the
position of shading correction plate)
mirror and lens dirty?
Clean them.
Feeding direction