43502101TH Rev.1 50 /Oki Data CONFIDENTIAL4. PERIODICAL MAINTENANCE4.1 Periodical Replacement PartsThe parts are to be replaced periodically as specified below:White lines or stripes(void, light printing)4.2 CleaningRemove any toner or dust accumulated inside the printer. Clean in and around the printer with a pieceof cloth when necessary. Use the handy cleaner (service tool) to clean inside the printer.Note: Do not touch the image drum, LED lens array, or LED head connector block.4.2.1 Cleaning of LED Lens ArrayClean the LED lens array or replace the toner cartridge when white lines or stripes (void, light printing)are generated vertically down the page, as shown below.Note: After eliminating static electricity of a maintenance personnel, clean the LED lens array with a softtissue paper or soft cloth.Part name Condition for replacement Cleaning RemarksToner cartridge 3K(Type 10)Toner cartridge 7K(Type 10)Image drum cartridge(Type 10)LED headLED headAbout 3,000 sheets of paper have been printed.About 7,000 sheets of paper have been printed.About 25,000 sheets of paper have been printed.See 1.4. (14)ConsumablesConsumablesConsumables
