Lexmark T430 Service Manual - Page 82

4048-1xx Paper never picks FRU Paper tray Paper feed solenoid Controller card assembly Action Make sure the paper tray and paper are correctly positioned. Check the input tray for missing or broken parts. Replace the tray as necessary. Make sure solenoid is installed correctly and its cable is plugged into the controller card assembly at J15. See "Locations and connections" on page 5-1 for more information. • Verify approximately 55 ohms in the solenoid. If not correct, replace the solenoid. • Verify the solenoid has the spring in place and functions mechanically. If this is true and the resistance is correct, replace the controller card assembly. Note: Always check printhead alignment after replacing the controller card assembly. See "Printhead assembly adjustment" on page 4-2 for hardware alignment of the printhead. Paper occasionally picks or picks multiple sheets at once FRU Paper feed roll Paper feed assembly Action Check the paper feed roll (D-roll or pick roll) for wear. Verify that the extension spring is working properly. Replace as necessary. During a paper pick, the paper feed assembly is released by the solenoid. Verify the plastic end of the shaft is not worn allowing the shaft to be released without the solenoid being activated. Replace the paper feed assembly as necessary. Note: We recommend that the paper feed roll be replaced when the paper feed assembly is replaced. Also see "Paper picks during POST and/or continuously" on page 2-46. 2-48 Service Manual