Adjustment Of High-Voltage Transformer - Toshiba e-STUDIO163 Service Handbook

3.5

Adjustment of High-Voltage Transformer

When replacing the high-voltage transformer, checking each output adjustment of main charger, devel-
oper bias, transfer charger and separation charger is needed.
3.5.1 Adjustment
[ 1 ] Preparation
Items to check
Process Unit
High-Voltage Transformer Jig Install the high-voltage transformer jig in the equipment.
Digital (+) terminal
Tester
(–) terminal
Function switch
Full-scale (range)
Remarks
How to turn ON the power
Note
e-STUDIO163/203 ADJUSTMENT
Developer Bias
Take off from the equipment. (Not used)
Note: Note:
Connect the green cable of the high-voltage transformer jig to ground on
the equipment frame. Refer to
age transformer jig".
Connect with the black
cable of the high-volt-
age transformer jig.
Connect with the white cable of the high-voltage transformer jig.
1000 V
Use a digital tester with an input resistance of 10 MΩ (RMS value) or higher.
Attach the door switch jig and start with the adjustment mode [05] while the front
cover opened. Then press the front cover opening/closing switch.
Refer to P. 3-29 "[B]
Connection for devel-
oper bias adjustment".
3 - 26
Main Charger
P. 3-27 "[A] Installation of the high-volt-
Connect with the red
cable (thick line) of the
high-voltage trans-
former jig.
DC
Refer to P. 3-29
"[C] Connection for
main charger adjust-
ment".
Transfer Separation
Charger Charger
Connect with the red cable
(thin line) of the high-voltage
transformer jig.
2 V
Refer to P. 3-30 "[D] Con-
nection for transfer/separation
charger adjustment".
December 2005 © TOSHIBA TEC