Oki TF-300P Field Service Manual

Contents

3-13. MAINTENANCE3.1 Routine InspectionBasically, the routine inspection of following items are performed about every one year after themachine is installed. The description of routine inspection is shown in table 4.1.1.Table 3-1 Routine InspectionNO Inspection Item Procedure Remarks1 I.S Platen Clean with ethyl alcohol.2 A.D.F. roller Clean with ethyl alcohol.Pick up roller Check the pick up rollers for wear.Exit roller Clean with ethyl alcohol.3 A.D.F. separationrubber padClean with warm or cold water.If this rubber is worn out, replace this rubber.4 Carrier Transport Check the following parts for wear:∑Carrier transport belt.∑Carrier guide rod.∑Idler pulley parts5 Print head carrierassemblyCheck it for a loose or worn wiper and cap.Clean the contact of print head cable by a clean drycloth.Check the following parts for wear or damage:∑Rubber Backer∑Print Cartridge Latch∑Latch Spring∑Carrier6 Contact Image Sensor(C.I.S.)Check it for stains of paper dust, etc.Clean it with ethyl alcohol, if necessary.7 Microswitch operationCover switch Confirm that the LCD shows “CLOSE COVER”.When the paper cover opened and that messagedisappears when the cover closed.∑Paper sensor The LCD shows “ADD PAPER” when runs out ofrecording paper.8 Lubrication Apply white grease to the motor gear and all gearmounting stud when parts are replaced or as needed.The carrier to carrier frame engagement.9 Cleaning Remove outside fallen materials, if any, from themachine.Note:When returning all rollers to its original position, confirm that its plastic bushing of the rollerproperly set into the groove of the frame unit and turn the bushing to make sure the pin point oftab is tightly inserted to the frame surface.