Samsung SCX-5315F Series Service Manual

Also see for SCX-5115: Product guide User guide Service manual

Troubleshooting4-42 Samsung Electronics4-6-5-1 Signs and Measures at Poor toner cartridgeFault Signs Cause & Check SolutionLight image andpartially blankimage(The life is ended.)• The printed image islight or unclean anduntidy.• Some part of theimage is notprinted.• Periodically a noiseas "tick tick" occurs.1. If the image is light or uncleanand untidy printed image - Shakethe developer and then recheck.(1)NG: Check the weight of thedeveloper(2)OK: Lack of toner, so the life isnearly closed.2. Some part of image is not printed- Shake the developer and thenrecheck.(1)NG: Check the weight of thedeveloper and clean theLSU window with a cottonswab, then recheck.(2)OK: Lack of toner, so the life isnearly closed.3. Periodically a noise as "tick tick"occurs - Measure the cycle andthe weight of the developer.4. White vertical stripes on thewhole screen or partly :Check the weight of the developer.1. All of 1, 2, 3 above-If it become better by shaking, replacewith a new developer after 50-100sheets in the closing state of the lifespan.2. In case of 2-If it becomes better after cleaning theLSU window, then the developer is nor-mal.(Because of foreign substance on theLSU window, the image has not beenprinted partly.)3. In case of 3-If the cycle of noise is about 2 seconds,the toner inside the developer has beennearly exhausted.( Purchase and replacewith a new developer after using about200 sheets at the point of occurrence)4. In case of 3-This is a phenomenon caused by lack oftoner, so replace with a new developer.Toner Contamina-tion• Toner is fallen on thepapers periodically.• Contaminated withtoner on printspartly or over thewhole surface.1. Toner is fallen on the paper peri-odically.(1)Check the cycle of the falling ofthe toner.(2)Check the appearance of bothends of the developer OPCdrum.2.The center of the printed matter iscontaminated with toner.(1)Check whether foreign sub-stances or toner are stuck to theterminal (contact point) of thedeveloper.(2)Check whether the state of theterminal assembly is normal.1. If both ends of the OPC drum are con-taminated with toner:Check the life of the developer.2. Check whether it could be recycled.Digital PrinterDigital PrinterDigital PrinterDigital PrinterDigital Printer