Lexmark 4227 Service Manual - Page 57
Tractor 2 installed, but not shown in User Menu, and verify the problem still occurs.
UPC - 734646117104
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4227-300 Tractor 2 installed, but not shown in User Menu Tractor 2 is selected from operator panel but the printer does not detect Tractor 2, or detects that the Tractor 2 mechanism is not installed. Power the printer off and reinstall the Tractor 2. Power the printer on and verify the problem still occurs. FRU Action 1 Tractor 2 Check the Tractor 2 sensor or the cable Board/Cable Asm. connection. The sensor actuator extends through the Tractor 2 cover and rests on the printer cover when Tractor 2 is installed. Remove the Tractor 2 cover and make sure the sensor opens when the Tractor 2 is installed. The voltage at Tractor 2 CN1-13 should be +5 V dc with the sensor open, and 0 with it closed. Replace the Tractor 2 board/cable asm if the sensor signal is wrong. 2 Main Logic Board For more information on the Tractor 2 cable connectors, see "Tractor 2 cable connectors" on page 6-15. Check the cable connection from Tractor 2 to the printer. If possible, try the Tractor 2 with another printer to determine if the problem is the Tractor 2 board/cable assembly or the printer main logic board. Diagnostic information 2-33