Lexmark T430 Service Manual - Page 68
Disconnects on the controller card
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4048-1xx Disconnects on the controller card Always print a page from each paper source following a repair action. The following table is an aid to find a problem with a cable connection. Error or message Condition if cable is required to unplugged obtain error No backlight and no text on the operator panel No backlight, no text on operator panel, and 5 beeps POST. No power delivered to controller card POST 914 917 924 929 931 935 936 940 Close Door Load MP Feeder POST POST POST Print multiple pages POST POST POST POST POST Pick paper from MPF Check connection at: Connector name and description J17 LVPS (low voltage power supply) J5 OP-PANEL (operator panel) Go to "Dead machine service check" on page 2-39 (second note). J6 EXIT MOTOR (redrive motor) J19 HVPS (high voltage power supply and fan) J18 THERM (thermistor and smart chip) J12 MPF SENSOR (multipurpose feeder sensor and toner sensor) J3 LSU (laser printhead) J1 MMTR (mirror motor) J10 MAIN MOTOR (transport motor) J13 LVPS (low voltage power supply control) J2 CO (cover open switch) J9 MPF (multipurpose feeder solenoid) 2-34 Service Manual