Chapter 11-61.3 Scheduled Servicing Basic Procedure1.3.1 Scheduled Servicing Basic Procedure 0009-5839iR5570 / iR6570- As a rule, provide scheduled servicing every 250,000 prints.- Check with the Service Book before setting out for a scheduled service visit, and take parts for which replacementis expected.- If the power plug is left connected for a long time in a place subject to dust, humidity, or oil smoke, a fire hazardis a possibility (i.e., the dust collecting around the plug can absorb moisture, resulting in insulating failure). Besure to disconnect the power plug on a periodical basis, and wipe off the dust and dirt collecting around it.1) Report to the person in charge, and check the general condition.2) Record the counter reading, and check the faulty prints.3) Make the following checks, and clean/adjust the items that are indicated:T-1-34) Check the waste toner case.If half full or more, dispose of the waste toner in a vinyl bag or the like for collection; or, replace the waste toner case.ItemsTest copy against image density standardfor soiling of back of paperfor clarity of charactersfor marginfor fixing misplaced registration, soiledback of paperfor margin standards (single-sided print)leading edge: 4.0+1.5/-1.0mmleft edge: 2.5+/- 1.5mm(double-sided print) leading edge: 4.0+1.5/-1.0mmleft edge: 2.5+/- 2.0mm