© 2005 - 2009 TOSHIBA TEC CORPORATION All rights reserved
e-STUDIO163/166/203/206
TROUBLESHOOTING
5 - 27
5
7) Blank copy
Fig. 5-7
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, Devel-
oper bias)
2
Is the high-voltage transformer out-
put defective?
Adjust the output, or replace the
transformer.
3
Are the connectors of the high-volt-
age 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 prop-
erly?
Check and correct the engaging con-
dition 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 prop-
erly?
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 con-
nected?
Check if the harnesses connecting
the boards are open circuited.
Connect the connectors securely.
Replace the harness.
Feeding direction
Summary of Contents for e-STUDIO163
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