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