JUNE 2002 © TOSHIBA TEC
5 - 125
e-STUDIO550/650/810 TROUBLESHOOTING
(17) Faded image (low density, abnormal gray balance)
Feeding direction
Defective area
Step
Check Items
Prescription
Remarks
Developer material/
1
Using the specified developer material,
Use the specified developer material,
Toner/Photoconductive
toner and photoconductive drum?
toner and photoconductive drum.
drum
2
Have the developer material and the
Replace the developer material and
photoconductive drum reached their PM life? photoconductive drum.
3
Is there any film forming on the
Clean or replace the drum.
photoconductive drum?
Toner empty
4
Is the toner supply symbol lighting?
Replace the toner cartridge.
5
Is the toner cartridge installed properly? Check the installation state of the
toner cartridge.
6
Is the performance of the toner motor normal? Check the performance of the toner motor.
7
Is the toner cartridge normal?
Check the toner cartridge.
Replace if it is not normal.
Developer unit
8
Is the developer unit installed
Check the installation state of the
properly?
developer unit.
9
Is the pushing mechanism of the
Check the mechanism.
developer sleeve performing?
Main charger output
10 Is the setting value proper?
If the setting value is out of
Is the main charger output normal?
specification, adjust it.
If the output is not normal, check
the circuits. (Note 1)
Developer bias output
11 Is the setting value proper?
If the setting value is out of
Is the developer bias output normal?
specification, adjust it.
If the output is not normal, check
the circuits. (Note 1)
Содержание e-studio550
Страница 115: ...JUNE 2002 TOSHIBA TEC 4 11 e STUDIO550 650 810 PREVENTIVE MAINTENANCE Rear side 20 74 75 32 80 63 44 73 75 53 ...
Страница 309: ...JUNE 2002 TOSHIBA TEC 8 1 e STUDIO550 650 810 WIREHARNESSCONNECTIONDIAGRAMS 8 WIRE HARNESS CONNECTION DIAGRAMS ...
Страница 313: ...1 1 KANDA NISHIKI CHO CHIYODA KU TOKYO 101 8442 JAPAN R02032112000 TTEC ...