
e-STUDIO3511/4511 TROUBLESHOOTING
5 - 124
November 2003 © TOSHIBA TEC
(15) Color banding (at right angles to feeding direction)
Feeding direction
Cause/Section
Main charger
Fuser unit
High-voltage
transformer
(main charger wire/grid
and transfer roller bias)
Drum
2nd transfer roller
Scanner
Step
1
2
3
4
5
6
7
8
9
Check items
Is the charger wire dirty or deformed?
Is the fuser belt, pressure roller or oil
roller dirty?
Is the high-voltage transformer output
defective?
Is each joint of high-voltage output
loosened? (Check if any electric leakage
is causing noise.)
Is there deep scratch on the drum
surface?
Are there fine scratches on the drum
surface (drum pitting)?
Is the drum grounded?
Is the 2nd transfer roller rotating
normally?
Is there foreign matter on the carriage
rail?
Measures
Clean or replace the charger wire.
Clean them.
Check the circuit and replace the high-
voltage transformer if not working.
Reconnect each joint.
Replace the drum, especially if the
scratch has reached the aluminum
base.
Check and correct the contact of
cleaning blade and recovery blade.
Check the contact of the grounding
plate.
Clean the roller area or replace the
roller.
Remove foreign matter.
Fig. 5-216
Содержание e-STUDIO3511
Страница 2: ... 2003 TOSHIBA TEC CORPORATION All rights reserved ...
Страница 10: ...e STUDIO3511 4511 CONTENTS vi November 2003 TOSHIBA TEC ...
Страница 12: ......
Страница 20: ...e STUDIO3511 4511 SPECIFICATIONS 1 8 November 2003 TOSHIBA TEC ...
Страница 190: ...e STUDIO3511 4511 ERROR CODE AND SELF DIAGNOSTIC MODE 2 170 November 2003 TOSHIBA TEC ...
Страница 423: ...November 2003 TOSHIBA TEC 5 109 e STUDIO3511 4511 TROUBLESHOOTING 4 Background fogging Fig 5 205 ...
Страница 425: ...November 2003 TOSHIBA TEC 5 111 e STUDIO3511 4511 TROUBLESHOOTING A B 5 Moire lack of sharpness Fig 5 206 ...
Страница 430: ...e STUDIO3511 4511 TROUBLESHOOTING 5 116 November 2003 TOSHIBA TEC 9 Blank print Feeding direction Fig 5 210 ...
Страница 456: ...e STUDIO3511 4511 TROUBLESHOOTING 5 142 November 2003 TOSHIBA TEC ...
Страница 518: ...e STUDIO3511 4511 FIRMWARE UPDATING 6 62 November 2003 TOSHIBA TEC ...
Страница 546: ...e STUDIO3511 4511 REMOTE SERVICE 8 24 November 2003 TOSHIBA TEC 7 ...
Страница 548: ...e STUDIO3511 4511 WIRE HARNESS CONNECTION DIAGRAMS 9 2 November 2003 TOSHIBA TEC ...
Страница 551: ......
Страница 552: ...2 17 2 HIGASHIGOTANDA SHINAGAWA KU TOKYO 141 8664 JAPAN ...