Samsung ML-7300 series Service Manual

Also see for ML-7300 Series: Product guide User guide User guide Service manual Manual Del Usuario

Error status Check Solution- Refer to DCU mode “00”1. Check the supply voltage. (+24 1. Replace to cover open unit.Engine board CN1 -2,5 pin 2. Replace cable2. Check the Motor cable for cuts or 3. Replace Motor.pinched wiring. 4. Replace Engine board.Main Motor 3. Check the resistance for Motor between 5. Replace Motor Drive Unitpin No. 1 to 3(4 to 6) - Refer to “4-6, 6-9”The resistance of motor : 3Ω approx.4. Check the Engine board.5. Check Gear of Motor Drive Unit.- Check all the gear for correctinstallation.1) 1’st Cassette Feeder1. Check the paper empty sensor 1. Replace the paper empty sensor on- Refer to DCU mode “07” Engine board.2. Check the paper empty sensor actuator. 2. Replace paper empty sensor actuator.2) Multi Purpose Feeder1. Check the paper empty sensor for MP. 1. Replace MP sensor assembly.Paper Empty - Refer to DCU mode “07” 2. Replace MP paper empty sensor2. Check the MP paper empty sensor actuator.actuator. If not improved, replacethe engine board3) Second Cassette Feeder1. Check the paper empty sensor for SCF 1. Replace the paper empty sensor on- Refer to DCU mode “07” S.C.F board.2. Check the paper empty sensing actuator 2. Replace MP paper empty sensorfor SCF. actuator.TroubleshootingSamsung Electronics 5-7Download Service Manual And Resetter Printer at http://printer1.blogspot.com