(21) Image jittering

Feeding direction

Cause/Defect area

Step

Check items

Measures

0

Toner image proper on drum?

If proper, perform step 1 to 3; otherwise perform step

 

 

 

4 and after.

Registration roller

1

Registration roller rotation defective?

Check registration roller section and its springs.

Transfer belt

2

Transfer belt malfunctioning?

Check drive system and replace transfer belt if nec-

 

 

 

essary.

Fuser roller

3

Fuser roller rotation defective?

Check fuser roller drive system.

 

 

 

Replace rollers if necessary.

Drum

4

Large scratch on drum?

Replace drum.

Carriage operation

5

Slider sheet defective?

Replace it.

 

6

Any abnormalities on carriage feet?

Replace feet.

 

7

Tension of timing belt inappropriate?

Adjust tension.

 

8

Carriage drive system malfunctioning?

Check carriage drive system.

Scanner

9

Mirror loosely mounted?

Fix it properly.

Drum drive system

10

Drum drive system malfunctioning?

Check drum drive system.

 

 

 

Clean or replace belt, pulley, bushing if they have

 

 

 

dirt or scratches.

EPU load

11

EPU load too high?

Check EPU.

January 2000 © TOSHIBA TEC

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FC-22 TROUBLESHOOTING

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Toshiba FC-22 manual Image jittering Feeding direction