Toshiba e-Studio160, e-Studio250, e-Studio200 manual Main charger Formed? Or charger wire

(8) Black banding (at right angles to feeding direction)

Feeding direction

Step	Cause/Defect area	Check items	Measures
1	Process unit	Main charger wire dirty or de-	Clean main charger wire, replace process unit
	(main charger)	formed?	or charger wire.
2		Charger wire terminals/grid termi-	Clean terminals.
		nals (process unit) and corre-
		sponding terminals (main body)
		stained?
3	Process unit (Drum)	Deep scratch on drum surface?	Replace process unit or drum.
4	Fuser unit	Dirt or scratches on heat roller	Clean or replace heat roller?
		surface?
5	HVPS (main charger/trans-	High-voltage output defective?	Adjust output from HVPS, or replace defec-
	fer charger)		tive HVPS.
6		If problem persists after measures	Replace process unit or fuser unit.
		are applied, or there is no prob-
		lem found in above check, follow
		procedure described in right col-
		umn.

e-STUDIO160/200/250 TROUBLESHOOTING 4 - 66 December 2002 TOSHIBA TEC