Lexmark T620 Service Manual - Page 133
Paper Feed Service Check, Main Drive, Service Check
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4069-5XX/7XX Paper Feed Service Check If you have a 936 Transport Motor Error go to the "Main Drive Service Check" on page 2-85. FRU 1 Alignment Assembly 2 Inner Deflector Action Check to ensure the alignment assembly is correctly attached to the left side frame and the mounting screws are tight. Check the alignment assembly for any signs of worn rollers, contaminated rollers or binds. Replace the alignment assembly if any problem is found. Check the inner paper deflector for correct installation. If the deflector is bowed or not fitting correctly, replace the deflector. Auto compensator fails to feed paper. Failures occur randomly throughout the stack of paper. FRU 1 Pass Thru Sensor 2 Auto compensator Assembly 3 Wear Strips in Tray X problem is found. Action Check the pass thru sensor for correct installation and operation. The auto compensator pick roll shaft assembly is not providing enough torque if the pick rollers are not picking the paper correctly. Replace the auto compensator assembly. Check the wear strips for excessive wear, scratches or rough spots. Replace the wear strips if a problem is found. Diagnostic Information 2-105