Lexmark C750 Service Manual - Page 101

5060-00x 200 Paper jam-Tray 1 1. Obtain the sub error code from the operator panel. Press and hold Return and press Select to view the sub error code. 2. Compare the sub error code to the list below and go to the appropriate service check. Sub error code Service check 2D 1B 2D 1C 2D 11 2D 03 2D 0F 2D 02 2D 05 2D 04 2D 06 "S2 or narrow media sensor obstructed" on page 2-67 "S2 sensor late" on page 2-68 "S2 or narrow media sensor made early" on page 2-68 "S2 or narrow media sensor did not break in time" on page 2-69 S2 or narrow media sensor obstructed • 2D 1B-S2 sensor obstructed • 2D 1C-Narrow media sensor obstructed Note: See "Printer sensors" on page 5-3. Step 1 Action and questions Is sensor flag obstructed by paper debris, out of position, or broken? Perform the "BASE SENSOR TEST" on page 3-29. Do both sensor pass the test? 3 4 5 Is the inner deflector out of place, causing sensor flag to bind? Are the sensors connectors fully seated? Are connectors at J68 fully seated on the engine board? Check sensor cables. Are the cables cut or broken? 7 Replace the S2/NMS/XPAR sensor assembly that did not pass the test. Is the problem solved? Install inner deflector properly. Go to step 5 Go to step 6 Go to step 4 Reseat the sensor connector. Reseat the connector on the engine board. Go to step 7 Yes Clear obstruction and reinstall or replace flag. Problem solved No Go to step 2 2 Go to step 3 6 Replace the cables. Problem solved Replace the engine board. See "Engine board removal" on page 4-29. Diagnostic information 2-67