Lexmark Optra C710 Service Manual - Page 133

5016-001 Paper Exit Sensor Service Check Note: The paper exit sensor (PHI 1) is located in the fuser assembly, attached to the exit sensor mounting plate. FRU 1 Paper Exit Sensor Flag 2 Paper Exit Sensor (PHI 1) Action Check the paper exit sensor flag and flag spring for proper operation. If problems exist, repair as necessary. The voltages on the engine board, CN18 to pin 5 should measure approximately +5 V dc. • If incorrect, replace the engine board. • If correct, verify the voltage on CN18-6 measures approximately +5 V dc with fuser cover 1 closed. • If incorrect, replace the engine board. • If correct, open and close fuser cover 1. The voltage on CN18-6 should change from approximately +5 V dc to 0 V dc. • If the voltage does not change, replace the paper exit sensor. Diagnostic Information 2-67