Lexmark 20G0482 - T 644tn B/W Laser Printer Service Manual

69, Diagnostic information 2-29 4061-xx0 954 .00 Replace the interconnect card. See “Interconnect card assembly removal” on page 4-53. Warning: When replacing any one of the following components: • Operator panel assembly (or upper front cover) • System board assembly • Interconnec…

205, Diagnostic aids 3-37 4061-xx0 Paper feed jams Access doors and trays The following illustration shows the path that print media travels through the printer. The path varies depending on the input source (trays, multipurpose feeder, envelope feeder) and output bins (finisher, stacker, expander…

146, 2-106 Service Manual 4061-xx0 Operator panel service check Note: The operator panel board is a separate FRU and is also part of the upper front cover FRU Warning: When replacing any one of the following components: • Operator panel assembly (or upper front cover) • System boar…

287, Repair information 4-69 4061-xx0 6. Locate the paper alignment assembly reference adjustment screw (B) through the left frame, and remove the screw. 7. Remove the paper alignment assembly. Note: Do the “Paper alignment assembly adjustment” on page 4-3 when you reinstall the asse…

87, Lexmark 20G0482 - T 644tn B/W Laser Printer Diagnostic information 2-47 4061-xx0 201 .12 Page did not reach exit sensor. Fuser page count between 100,000 and 199,999. • Page jammed on fuser input guide. • Page did not enter or exit fuser nip cleanly. • Exit sensor not functioning correctly. • Check fuser entry guide for …

115, Diagnostic information 2-75 4061-xx0 900.xx Error code service check FRU Action 1 Printer POR Turn the printer off and on several times. If Error Code 900 continues to display, go to step 2. 2 System board Turn the machine off and on several times, waiting a few minutes between power on a…