Lexmark C750 Service Manual - Page 165

5060-00x HCIT 2000-sheet Option does not recognize the size paper selected. Step 1 Action and questions Make sure the media loaded in the tray meets specifications. Is the media loaded properly and meet specifications? Yes Go to step 2 No Load the media properly or inform the customer that the media does not meet specifications Reinstall the guide if installed incorrectly Install the cable correctly. 2 Check the paper tray guide for correct installation. Is the paper tray guide installed correctly for the selected paper size? Go to step 3 3 Check for correct installation of the paper size sensor cable to the HCIT system board at CN7. Is the cable installed correctly? Go to step 4 4 Check for a broken, loose, or missing paper size sensor flag spring. Is a sensor flag spring broken, loose, or missing? Reconnect the spring if it is loose. Replace the spring if broken or missing. Replace the paper size flag Go to step 5 5 Check the paper size sensor flag for sticking or broken parts. Is the paper size sensor flag sticking or broken? Go to step 6 6 Check continuity of the sensor cable. Do you measure continuity? Replace the sensor. If this does not fix the problem, replace the HCIT system board. Replace the sensor cable Diagnostic information 2-131