Toshiba e-Studio160, e-Studio250, e-Studio200 manual Jittering image Feeding direction

(23) Jittering image

Feeding direction

Step	Cause/Defect area	Check items	Measures
1	_	Toner image paper on drum nor-	If normal, perform step 2 to 4. Otherwise per-
		mal?	form step 5 and after.
2	Registration roller	Registration roller dirty?	Clean roller surface with alcohol, or replace
			roller.
3	Pinch roller	Pinch roller spring out of place?	Re-mount or replace spring.
4	Heat roller	Heat roller rotation defective?	Check heat roller drive system.
			Replace gear or roller if necessary.
5	Process unit (Drum gear,	Foreign matter or toner on gears?	Clean gears.
	cleaner paddle drive gear,
	toner recovery auger drive
	gear)
6	Process unit (Drum)	Large scratch on drum?	Replace process unit or drum.
7	Carriage operation	Slider sheet defective?	Replace slider sheet.
8		Any abnormalities on carriage	Replace feet.
		feet?
9		Tension of timing belt inappropri-	Adjust the tension.
		ate?
10		Carriage drive system malfunc-	Check carriage drive system.
		tioning?
11	Scanner	Mirror loosely mounted?	Fix mirror properly.
12		Wire and timing belt tension	Re-install wire and timing belt with jig.
		proper?
13	Drum drive system	Drum drive system malfunction-	Clean or replace gears if they have stain or
		ing?	scratches.
14	Main drive gear assembly	Main drive gear assembly improp-	Re-install main drive gear assembly with jig.
		erly mounted?

December 2002 TOSHIBA TEC 4 - 81 e-STUDIO160/200/250 TROUBLESHOOTING