1.7 High-Voltage Adjustment

The developer bias, main charger, transfer charger and separation charger outputs must be adjusted when the high-voltage power supply unit is replaced.

1.7.1 Adjustment

(1) Measurement

 

 

Developer Bias

Main Charger

 

Transfer Charger

 

Separation Charger

 

 

 

 

 

(On the drum)

 

(On the drum)

 

 

 

 

 

 

Process Unit

 

Remove from the copier. (Not use)

 

 

 

 

 

 

 

Measuring jig

Not use

Mount on the machine

 

 

 

 

 

Note1: Connect the green cable of the measuring to ground

 

 

 

on the copier.

 

 

 

 

 

 

 

 

Digital Tester

(+) terminal

Connect to the bias

Connect to the

 

Connect to the red cable of measuring

 

 

measuring plate

main charger

 

jig.

 

 

 

 

(B) of the machine. cable.

 

 

 

 

 

 

 

 

 

(-) terminal

Connect to frame

Connect to the white cable of measuring jig.

 

 

ground (A).

 

 

(Frame grounding)

 

 

 

 

 

 

 

 

Function switch

 

 

DC

 

 

 

 

 

 

 

 

 

 

Full scale

1,000 V

 

 

2V

 

 

Remarks

Use a digital tester having an input resistance of 10Mor more.

 

 

 

 

 

How to turn the power ON

 

Use the door switch jigs.

 

 

 

 

 

 

 

 

 

 

 

 

Developer Bias

Main Charger

 

Transfer Charger

 

Separation Charger

 

 

 

 

 

(On the drum)

 

(On the drum)

 

 

 

 

 

 

 

 

(A) (Frame grounding)

Machine frame (Frame grounding)

Green cable

Main charger cable

01-07-02

(B)

terminal terminal

terminal

terminal

White cable

01-07-04

e-STUDIO160/200/250 ADJUSTMENT

1 - 68

December 2002 TOSHIBA TEC

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Image 76
Toshiba e-Studio200, e-Studio250, e-Studio160 manual High-Voltage Adjustment, 000