(3)Blank copy directionFeeding

Step

Cause/Defect area

Check items

Measures

 

 

 

 

1

Transfer charger unit

Transfer charger unit securely in-

Re-install transfer charger unit securely.

 

 

stalled?

 

 

 

 

 

2

 

Transfer charger wire cut off?

Replace transfer charger unit.

 

 

 

 

3

Process unit (terminals)

Drum ground terminals/develop-

Clean drum ground terminals, developing bias

 

 

ing bias terminals and corre-

terminals and corresponding terminals of main

 

 

sponding terminals of main body

body.

 

 

stained?

 

 

 

 

 

4

Process unit drive system

Is sleeve gear and agitator gear

If any is damaged, replace process unit or

 

 

driven when main motor is manu-

damaged part.

 

 

ally rotated clockwise?

 

 

 

 

 

5

 

Is drum coupling driven when

If any is damaged, replace process unit or

 

 

main motor is manually rotated

damaged part.

 

 

clockwise?

 

 

 

 

 

6

Process unit deformation

Process unit deformed?

Replace process unit.

 

 

 

 

7

Laser scanner unit

Foreign matter or stain on lens?

Remove foreign material or stain with blower.

 

 

 

(Do not use a cloth.)

 

 

 

 

8

HVPS (transfer charger and

High-voltage output defective?

Adjust output from HVPS, or replace defec-

 

developer bias)

 

tive HVPS.

 

 

 

 

9

 

If problem persists after measures

Replace process unit, laser scanner unit,

 

 

are applied, or there is no prob-

HVPS or main PWA.

 

 

lem found in above check, follow

 

 

 

procedure described in right col-

 

 

 

umn.

 

 

 

 

 

December 2002 TOSHIBA TEC

4 - 61

e-STUDIO160/200/250 TROUBLESHOOTING

Page 183
Image 183
Toshiba e-Studio250, e-Studio200, e-Studio160 manual Re-install transfer charger unit securely