Lexmark T620 Service Manual - Page 40

4069-5XX/7XX First 6 Bytes Sub Error Code Data - Note: xx can be any value. Explanation 84 xx 0f x1 x2 x3 The option Tray pass thru sensor was never deactivated. (x-1=media size) (x-2=media source) (x-3=media source where paper jam was detected) *Check the pass thru sensor and flag for correct operation. *Check to see if paper has cleared the pass thru area of the option where the paper jam occurred. 84 00 10 The main motor ID failed to identify either motor after two tries. Possible causes for this error are: *The main drive motor has stalled. *An incorrect main drive motor/gearbox assembly has been installed. 84 xx 17 There is an envelope or envelopes in the envelope feeder during warm-up. An envelope may have partially fed from the envelope feeder. *Remove any envelopes from the feeder and check the envelope feeder for correct operation. 84 xx 18 There is media over the Tray 2 pass thru sensor during warmup. Check for media over the sensor. If no media is present, check the pass thru sensor, flag, and cables. *Try running the Input Tray Tests for Tray 2 and see if Tray 2 is feeding paper correctly and all the sensors are working correctly. *Check to make sure the paper size setting is correct for the size paper in the tray. 84 xx 19 There is media over the Tray 3 pass thru sensor during warmup. Check for media over the sensor. If no media is present, check the pass thru sensor, flag, and cables. *Try running the Input Tray Tests for Tray 3 and see if Tray 3 is feeding paper correctly and all the sensors are working correctly. *Check to make sure the paper size setting is correct for the size paper in the tray. 2-12 Service Manual