4-24 WorkCentre 3210/3220 Multifunction Printer Service ManualGeneral TroubleshootingNo PowerWhen the printer is turned On, no activity is detected.WarningHazardous voltage is connected to the Power Supply.Initial Actions■ Cycle printer power.■ If problem persists, refer to the following procedure.Troubleshooting Reference TableApplicable Parts Wiring and Plug/Jack Map References■ Main Controller Board, PL1.0.2■ Power Supply, PL1.0.4■ Power Cord, PL1.0.25■ UI PBA, PL6.4.13■ Map 5 - Main Controller Board■ Power and FuserTroubleshooting Procedure TableStep Actions and Questions Yes No1 Check the connection to the wall outlet.Is the printer connected to the outlet?Go to step 2. Connect tothe wall oulet.2 Check the condition of the Power Cord.Is the Power Cord damaged?Replace thePower CordGo to step 3.3 Check the wall outlet.Is the proper supply voltage present?Go to step 4. Use adifferentoutlet.4 Check power switch resistance.Does the power switch operate correctly?Go to step 5. Repair theswitch.5 Check the Power Supply output.Is there +24 V across each of the following:■ CON3-16, 13, 11, 9 and 7Is there +5 V across:■ CON3-5, 3, and 1Is the correct voltage present at each pin?Go to step 6. Replace thePower Supply(page 104).6 Reseat CN16 to the Main Control Board.Does the error still occur?Go to step 7. Complete.7 Check the wiring harness between thePower Supply CON3 and Main ControllerBoard CN16.Is the wiring harness damaged?Repair theharness.Go to step 8.
