Lexmark Optra T Service Manual - Page 36

4069-XXX Sub Error Codes For 9XX and 2XX Error Codes The sub error codes are helpful troubleshooting a paper path problem, especially paper jams in the base printer, envelope feeder and duplex unit. When a 9XX or 2XX error displays: Press and hold return and press select to enter for sub error codes. The following is an example of how the printer displays a duplex unit sub error code. Byte 1 Byte 2 Byte 3 Byte 4 DU XX XX XX XX DU XX XX XX XX Byte 5 Byte 6 Byte 7 Byte 8 Base Printer Sub Error Codes Each status byte has a different level of troubleshooting value for each area of the printer. The following table displays status bytes 1, 2 and 3. This set of status bytes is designed to help isolate paper jams and paper feed problems in the base printer. Status Bytes 1, 2,3 Explanation 84 xx 00 84 xx 01 84 xx 02 84 xx 04 The input sensor is still covered by the first sheet of paper through the printer and the second sheet is ready to arrive at the sensor. Video information has not started on the page at the input sensor within two inches after activating the input sensor flag. The media takes too long to complete a pass through the input sensor. This can occur when a sheet of paper is in the machine during POST and the input sensor flag has tripped the input sensor. 2-8 Service Manual