Samsung ML-3471ND/XAX Service Manual

Also see for ML-3470D: Manual Del Usuario User guide

Contents

Adjustment and TroubleshootingService Manual 4-61Samsung Electronics4.2.5.5 Signs and Measures at Poor toner cartridgeFault Signs Cause & Check SolutionLight image andpartially blankimage(The life is ended.)TonerContamination• The printed imageis light or uncleanand untidy.• Some part of theimage is not printed.• Periodically a noiseas "tick tick" occurs.• Toner is fallen onthe papersperiodically.• Contaminated withtoner on printspartly or over thewhole surface.1. If the image is light or uncleanand untidy printed image -Shake the toner cartridge andthen recheck.(1)NG: Check the weight of thetoner cartridge(2)OK: Lack of toner, so the lifeis nearly closed.2. Some part of image is notprinted - Shake the tonercartridge and then recheck.(1)NG: Check the weight of thetoner cartridge andclean the LSU windowwith a cotton swab,then recheck.(2)OK: Lack of toner, so the lifeis nearly closed.3. Periodically a noise as "ticktick" occurs - Measure thecycle and the weight of thetoner cartridge.4. White vertical stripes on thewhole screen or partly :Check the weight of the tonercartridge.1. Toner is fallen on the paperperiodically.(1)Check the cycle of the fallingof the toner.(2)Check the appearance ofboth ends of the tonercartridge OPC drum.2.The center of the printedmatter is contaminated withtoner.(1)Check whether foreignsubstances or toner arestuck to the terminal (contactpoint) of the toner cartridge.(2)Check whether the state ofthe terminal assembly isnormal.1. All of 1, 2, 3 above-If it become better by shaking,replace with a new tonercartridge after 50-100 sheets inthe closing state of the life span.2. In case of 2-If it becomes better aftercleaning the LSU window, thenthe toner cartridge is normal.(Because of foreign substanceon the LSU window, the imagehas not been printed partly.)3. In case of 3-If the cycle of noise is about 2seconds, the toner inside thetoner cartridge has been nearlyexhausted.( Purchase andreplace with a new tonercartridge after using about 200sheets at the point ofoccurrence)4. In case of 3-This is a phenomenon causedby lack of toner, so replace witha new toner cartridge.1. If both ends of the OPC drumare contaminated with toner:Check the life of the tonercartridge.2. Check whether it could berecycled.3. If it cannot be recycled:Replace the toner cartridge.Digital PrinterDigital PrinterDigital PrinterDigital PrinterDigital Printer