PC-D320/PC-D340/FAX-L400 Chapter 4: Maintenance and Service4-11. MAINTENANCE LIST1.1 ConsumablesLevel Consumable WhenUser Toner cartridge (S35) When “REPLACE CARTRIDGE” isdisplayed.1.2 CleaningLevel Location WhenUser Main unit outer covers When dirty.Platen glass When black vertical stripes appear incopied or transmitted.Platen glass cover When copied or scanned images are light.Service Document pick-up roller When document pick-up performance fails.technician Document separation roller When document separation or feedperformance roller fails.Document separation guide When document separationperformance roller fails.Document feed roller When document feed performancefails.Document eject roller When document feed performance fails.Platen glass When black vertical stripes appear in copiedor transmitted.White sheet When copied or scanned images are light.Transfer guide When dirty.Paper pick-up roller When recording paper pick-up technicianperformance fails.Separation guide When recording paper separationperformance fails.Transfer charging When marks on back of recording paper orroller blank spots at intervals of 45 mm incopied or received images.Static charge eliminator When polka appear dots in copied images.Paper feed roller When marks on back of recording paper.Fixing entrance guide When marks, marks on back of recordingpaper, irregular/smudged black vertical line,paper jam, or wrinkles in copied or receivedimages.Fixing film When marks at intervals of 56 mm or poorfixing in printed-out.Fixing pressure roller When marks on back of recording paper atintervals of 63 mm , poor fixing, paper jam,or wrinkles in printed-out.