LPDJH5811(5#8832933#Service GuideLPDJH5811(5#8832933#Service Guide REV. 1 August 1999 Page 17ã:clean l:replace _:lubricate Y:adjust q:inspectUnit Part OnInstallationEvery250,000copiesEvery500,000copiesEvery750,000copiesEvery1,000,000copiesRemarksWaste tonercollection Waste toner box q Inspect / removeFixing unit Inlet guide ãWeb q Take up slack uponinstallationOil receptacle ãThermistor ã lSub Thermistor ã lThermoswitch ã lPaper Feed /FeederAssemblyTransfer guide ãRegister roller(upper and lower)ãFeed belt ãEach feed roller ãDouble-SidedunitRegisensor on bothsidesãP. Stapler Stacker Finisher-D1 Periodic Maintenance Itemsã: clean l: replace _: lubricate Y: adjust q: inspectItem Every 250,000copies17 RemarksStack Tray B Paper Sensor ãããã Use blower brushInlet Path Paper Sensor ããããBuffer Path Paper Sensor ããããLower Path Paper Sensor ãããã17 This is the minimum interval for the imageRUNNER 550/600.