Lexmark Optra C710 Service Manual - Page 166

5016-001 A It is difficult to remove tray 1. Note: Do not force tray 1 from the printer, as damage to the paper detect sensor lever, or pick up roller bracket assembly, may occur. Lift up on the bracket and sensor lever and carefully remove tray 1. FRU 1 Paper Detect Sensor Lever Release Lever Pick Up Return Spring Feed Frame Action Check the paper feed frame, paper detect sensor lever, release lever, and pick up spring for correct installation and operation. If incorrect, repair as necessary. B Tray 1 is correctly installed and Insert Tray 1 displays. Note: This message displays only when printing a page. FRU 1 Paper Tray 1 2 Paper Detect/ Paper Size Detect Board Assembly Action Be sure the flag molded in the side of the tray is not missing or broken. If the board assembly, CST cable or engine board are failing, the printer does not recognize the installation of Tray 1. Be sure the paper detect/paper size detect board is working correctly. If no problem is found, replace the FRUs in the following order: 1. Detect board 2. Engine board 2-100 Service Manual