Oki Data CONFIDENTIAL45487001TH Rev.1 6-72 /6. Troubleshooting procedure6.5.4 Image Quality Issuessymptom Cause RemedyOffset Ghost(Positive Ghost)Paper feeding directionIf the interval of image is about 90mm,the paper is unsuitable.Use supported paper.The paper is too dry. Use paper stored in propertemperature and humidityconditions.Low humidity condition. Press the ▼ button and select[menus] > [Print Adjust], and thenselect "ON" for [Quiet Mode].Smear around solid black imagePaper feeding directionIf smear around solid black image,transfer bias is low.Press the ▼ button and select[menus] > [Print Adjust], and thenchange to "+3" the value for [PaperBlack setting].The paper is too dry.The paper is high impedance.Use supported paper.Broken linePaper feeding directionPress the ▼ button and select[menus] > [Tray Configuration] >the paper try configuration youare using, and then select "heavy"or more value for [Media Weight].The paper is rough. Use supported paper.Front and back of paper insideoutFaded print image (GAZURE)Paper feeding directionIf the faded print image on bothside of 100% solid black image,Press the ▼ button and select[menus] > [Tray Configuration] >the paper try configuration youare using, and then select "heavy"or more value for [Media Weight].The paper smoothness is high. Use lower smoothness paper.symptom Cause RemedySome dots in white areaPaper feeding directionAfter added new tonerWhen print in the hightemperature(HH,HL)When print at the low speedPress the ▼ button and select[menus] > [Print Adjust], and thenchange the value(+2 or +3) for [BGSetting].GhostBPaper feeding directionvertical long solid line Press the ▼ button and select[menus] > [Print Adjust], and thenchange the value(+2 or +3) for[SMR Setting].WrinklePaper feeding directionThe paper is too moist.The paper is too thin.Set envelope mode of fuserPress the ▼ button and select[menus] > [Tray Configuration],and then select "Ultra heavy 1" for[Media Weight].GraininessPaper feeding directionWhen half tone density is high. Press the ▼ button and select[menus] > [Print Adjust], and thenchange the value(+2 or +3) for [BGSetting].Faded print at low density half tone imageB B B B B B B BB B B B B B B BPaper feeding directionWhen half tone density is lowWhen print in the lowtemperature(LL)Press the ▼ button and select[menus] > [Print Adjust], and thenchange the value(+1 or +2) for[Darkness].
