Lexmark T522 Service Manual - Page 100

4520-xxx Paper from the high capacity feeder input tray does not reach the pass thru sensor. Service Tip: Be sure the paper in tray is within specifications. FRU 1 Autocompensator Assembly 2 Wear Strips Action Check the autocompensator pick arm rollers for sign of glazing, toner or other buildup. Replace as necessary. Check the wear strips for glazing or contamination. Replace as required. It is advisable to replace all four wear strips at the same time. The elevator tray does not move up or down. The printer recognizes that the option is installed. FRU 1 DC Drive Motor HighCapacity Feeder Option System Board Action Be sure the motor cable is correctly installed at J1 on the board. Check the cables, damaged or loose wires. Disconnect the motor. Check for a short between each pin and the motor housing. If a problem is found, replace the motor assembly. If no problem is found, measure the resistance between the following pins on the motor cable connector: Pins 1 (brown) and pin 2 (Yellow) The resistance measures between approximately 7.5 and 10.5 ohms. If incorrect, replace the motor assembly. If correct, replace the high capacity feeder option system board. 2-72 Service Manual