Lexmark T620 Service Manual - Page 48

4069-5XX/7XX First 6 Bytes Sub Error Code Data - Note: xx can be any value Explanation 84 xx 1D x1 x2 The envelope feeder pass thru sensor activated but never deactivated. (x1=Media Size)(x2=Media Source) This error can be caused by an envelope over the pass thru sensor. Remove the envelope and try to feed an envelope. If the envelope stops over the pass thru sensor, try the following: *Select the diagnostic test menu, select input tray sensor tests, select envelope feeder sensor test. *Check the envelope pass thru sensor to ensure it is operating correctly. If the sensor test fails, go to the "Envelope Feeder Option Service Check" on page 2-56. If the test passes, look for anything that might cause the envelope to stop over the sensor. 84 xx 1E x1 x2 An envelope never activated the envelope feeder pass thru sensor or the sensor never sensed the presence of an envelope. (x1=Media Size)(x2=Media Source) *Check to make sure the envelope feeds to the pass thru sensor. *Check to see if the envelope actuates the pass thru sensor flag. 2-20 Service Manual