Maintenance ScheduleEveryday Operations and Printer Care 3-39Maintenance ScheduleCleaning ScheduleYou should perform a thorough cleaning every 30,000 single-sided pages or 12months.This item needscleaning...After... By...Corona wire (also knownas the OPC charge wire)Every 30,000 single-sided pages or12 months, whichever comesearlier (or whenever dark verticalstreaks appear on printed pages).UserSee “Cleaning the OPC BeltCartridge” on page 3-34.Laser lens Only when you find vertical white orlight-colored streaking in all primarycolors on your printouts.UserSee “Cleaning the LaserLens” on page 3-35.OPC belt cartridge Every 30,000 single-sided pages,or 12 months, whichever comesearlier.UserSee “Cleaning the OPC BeltCartridge” on page 3-34.Paper discharger Every 30,000 single-sided pages,or 12 months, whichever comesearlier.UserSee “Cleaning the TransferUnit” on page 3-30.Paper exit rollers (alsoknown as paper guides)Every 30,000 single-sided pages,or 12 months, whichever comesearlier.UserSee “Cleaning the Paper ExitRollers” on page 3-36.Printer exterior As needed. UserSee “Cleaning the Exterior ofthe Printer” on page 3-38.Printer interior Every 30,000 single-sided pages,or 12 months, whichever comesearlier.UserSee “Guidelines for CleaningInside the Printer” on page3-30.