Toshiba e-STUDIO203 - Adjustment of High-Voltage Transformer

December 2005 © TOSHIBA TEC e-STUDIO163/203 ADJUSTMENT
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3.6 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.
3.6.1 Adjustment
[ 1 ] Preparation
Items to check Developer Bias Main Charger
Transfer
Charger
Separation
Charger
Process Unit Take off from the equipment. (Not used)
High-Voltage Transformer Jig Install the high-voltage transformer jig in the equipment.
Note:
Note:
Connect the green cable of the high-voltage transformer jig to ground on
the equipment frame. Refer to " P. 3-32 "[A] Installation of the high-volt-
age transformer jig".
Digital
Tester
(+) terminal Connect with the black
cable of the high-volt-
age transformer jig.
Connect with the red
cable (thick line) of the
high-voltage trans-
former jig.
Connect with the red cable
(thin line) of the high-voltage
transformer jig.
(–) terminal Connect with the white cable of the high-voltage transformer jig.
Function switch DC
Full-scale (range) 1000 V 2 V
Remarks Use a digital tester with an input resistance of 10 M! (RMS value) or higher.
How to turn ON the power 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.
Note Refer to " P. 3-34 "[B]
Connection for devel-
oper bias adjustment".
Refer to " P. 3-34
"[C] Connection for
main charger adjust-
ment".
Refer to " P. 3-35 "[D] Con-
nection for transfer/separation
charger adjustment".