Toshiba e-STUDIO211 - Blank Copy Troubleshooting

e-STUDIO181/211 © 2009 TOSHIBA TEC CORPORATION All rights reserved
TROUBLESHOOTING
5 - 28
7. Blank copy
Fig. 5-8
Defective area Step Check items Prescription
Transfer charger wire 1 Is the transfer charger wire cut off? Replace the transfer charger wire.
High-voltage transformer
(Transfer charger,
Developer bias)
2 Is the high-voltage transformer
output defective?
Adjust the output, or replace the
transformer.
3 Are the connectors of the high-
voltage harness securely connected?
Is the harness open circuited?
Reconnect the harness securely.
Replace the high-voltage harness.
Developer unit 4 Is the developer unit installed
properly?
Check and correct the engaging
condition of the developer unit gears.
5 Do the developer sleeve and mixers
rotate?
Check and fix the drive system of the
developer unit.
6 Is the developer material smoothly
transported?
Remove the foreign matter from the
developer material.
7 Has the magnetic brush phase been
shifted?
Adjust the developer polarity.
8 Is the doctor blade positioned
properly?
Adjust it using the doctor-sleeve jig.
Drum 9 Is the drum rotating? Check the drive system of the drum.
MAIN, LDR, SNS boards,
CIS unit and harnesses
10 Are the connectors securely
connected?
Check if the harnesses connecting
the boards are open circuited.
Connect the connectors securely.
Replace the harness.
Feeding direction