Lexmark T620 Service Manual - Page 121

4069-5XX/7XX 202 Paper Jam Open Rear Door Message displays. A sheet of paper is jammed prior to the pass thru sensor flag. 202 Paper Jam Open Rear Door Message displays. A sheet of paper feeds out to the standard bin even though bin x is selected. Paper exits half way out of the redrive. Service Tip: For this type of problem check the sub error codes. They can help isolate the problem. 202 Paper Jam messages can also occur prior to the output expander pass thru sensor. FRU 1 Output Expander Drive Belt Drive Pulley Drive Belt Idler Pulley Belt Tension Spring 2 Mechanical Linkage DC Motor Assembly Action Check to ensure the output expander drive belt is correctly installed on the drive pulley and belt idler pulley. Check the belt tension spring to make sure it is not loose or broken. Repair as necessary. If the DC motor is functioning properly check the gears, clutch and other linkage parts for correct operation and any signs of wear, broken gear teeth or damaged parts. If incorrect, replace the mechanical linkage/DC motor assembly. Diagnostic Information 2-93