44292401TH Rev.1 69 /Oki Data CONFIDENTIAL MAINTENANCEMAINTENANCE3. Periodical check3.1 Maintenance items3.1.1 Parts to be replaced by users (CRU)*1: In case of single side printing for normal paper of A4/Letter size*2: Only when the duplex option attachment is installed.Class Part to be replaced Number of prints Clean ReplaceProcessingsectionStandard in-box tonercartridge (C, M, Y) 500 (Continuous printing)Standard in-box tonercartridge (K) 1,000 (Continuous printing)Standard-capacity tonercartridge (C, M, Y) 1,500 (Continuous printing)High-capacity tonercartridge (C, M, Y, K) 2,500 (Continuous printing)Imaging cartridgeMonochrome45,000 (Continuous printing) *1Monochrome10,000 (1P/J) *1Full Color11,250 (Continuous printing) *1Full Color7,500 (1P/J) *1PH window When a malfunction occursFusingsection Fuser unit 50,000Tray 1media feedsectionMedia feed roller When malfunction occursTray 2media feedsectionMedia feed roller When malfunction occursADFdocumentfeed sectionMedia feed roller When malfunction occursDuplexoptiontransportsectionTransport rollerWhen malfunction occursMedia feed roller *2MAINTENANCE3. Periodical check3.1 Maintenance items3.1.1 Parts to be replaced by users (CRU)3.2 Concept of parts life3.2 Concept of parts life*1: The machine prohibits the initiation of any new print cycle when the maximum life valueis reached.A. Conditions for life specifications values• The life specification values represent the number of pages printed or figures equivalentto it when the given conditions (see the table given below) are met. They may be more orless, depending on the machine operating conditions of each individual user.Description Near lifevalue Life value Max. lifevalueToner cartridgeThe consumption rates arecalculated from the dotcounter and the imagecounter and the life is reachedwhen the consumption rate,whichever is greater, reaches100%.High-capacity tonercartridge (C, M, Y, K)2,350pages2,500pages3,500pages *1Standard-capacitytoner cartridge(C, M, Y)1,350pages1,500pages2,100pages *1Standard in-box tonercartridge (K)850pages1,000pages1,400pages *1Standard in-box tonercartridge (K) /Standard in-box tonercartridge (C, M, Y)350pages500pages700pages *1ImagingcartridgeThe imaging cartridge drive time count is comparedwith the printed page count and whichever reachingits life value is detected. 45,000images48,500imagesWaste tonerbottle (inte-grated in I/C)Detected with the waste toner near full sensor.A waste toner full condition is detected when 200more images are produced after a waste toner near-full condition has been detected. Fuser unitThe fuser unit drive time is counted based on thetransport motor drive time.The consumption rates of the fuser unit drive timecount and the printed page count are calculated andthe life value is reached when the consumption rate,whichever is greater, reaches 100%. 50,000prints Transfer roller The number of printed pages is counted. 50,000prints Item DescriptionJob type Monochrome: 3 consecutive pages (3 pages/job)Full Color: 2 consecutive pages (2 pages/job)Media size A4S or LetterSColor ratio Black to Color = 1 : 1Original density ISO chartC/W ratio = 5% each color