Lexmark Optra S Service Manual - Page 86
where the error occurs. Example: 241 is a Paper Jam Tray 1
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4059-XXX 24X Paper Jam message displays, Paper jammed over the Pass Thru Sensor. (The printer displays the value of X for the paper tray where the error occurs. Example: 241 is a Paper Jam Tray 1) FRU 1 Pass Thru Sensor and Flag Assembly 2 Power Takeoff Shaft and Spring, Bevel Gear, Feedroll Gear, Drive Roll Assembly, Wear Plate, Drive Shaft Bearings and Skewed Backup Roller Action The tray x option system board did not detect a piece of paper actuating the pass thru sensor. Remove any jammed sheets of paper from the printer and check the pass thru sensor and flag for proper operation by running the appropriate Tray Sensor Test from the diagnostics menu. If the test fails, check the sensor for correct installation and the flag for proper operation. Also check the sensor cable to make sure it is correctly connected to the option system board. If incorrect, replace the tray x option pass thru sensor assembly. Check these parts for signs of broken or damaged parts, contamination on the drive rollers or wear plate and wear or damage to the drive shaft bearings. Check the drive roll assembly and skewed backup roller for signs of wear, slick spots, material buildup, and oil or grease on the rollers. Also check for proper operation of the paper aligning assembly. Repair or replace parts as necessary. 2-59 4059 Service Manual