Lexmark T520 Service Manual - Page 211

4520-xxx Optional 250/500 Paper Tray Assembly Removal Note: Remove the printer and other paper feed options to access the failing optional paper tray assembly. Paper Tray Compensator Assembly Removal 1. Remove the printer and other paper feed options. 2. Disconnect the compensator assembly bias spring from the tray frame. 3. Disconnect the compensator assembly motor cable. 4. Remove the three compensator assembly mounting screws and remove the compensator assembly. Paper Tray Frame Assembly Removal 1. Remove the compensator assembly. 2. Release the paper pass thru sensor from its retaining tabs. 3. Release the frame assembly from the front and rear retaining tabs and remove the paper tray frame assembly. Paper Tray Board Removal 1. Remove the paper tray frame assembly. 2. Disconnect all cables from the paper tray board. 3. Remove the three paper tray board mounting screws and remove the board. Note: Reinstall with the paper out sensor flag positioned in the sensor slot on the paper tray board. Paper Tray Paper Out Sensor Flag Removal 1. Remove the paper tray frame assembly. 2. Remove the paper tray board. 3. Remove the paper out sensor flag. Paper Size Spring Comb Removal 1. Remove the paper tray board. 2. Remove the paper size spring comb mounting screw and remove the spring comb. Repair Information 4-49