C5300 Troubleshooting • 190Printer requests paper size change to continue printing.Print Quality ProblemsLongitudinal white stripesLongitudinal fadingPossible cause RemedyPaper loaded in tray isdifferent size from thatformatted in softwareapplication.Either change paper in tray to match sizeformatted in application and press ON-LINE tocontinue, or continue printing on existing paper bypressing ON-LINE.RemedyClean LED head with lens cleaner or soft tissue.Change toner cartridge.Change image drum.Possible cause RemedyLED head is dirty. Clean LED head with lens cleaner or soft tissue.Toner is low. Change toner cartridge.Paper is unsuitable forprinter.Use recommended paper.