Lexmark 1000 Color Jetprinter Service Manual - Page 21

4096-00X FRU 3 Drive Train Assembly 4 Auto Sheet Feeder 5 Mid-Frame Asm Access Cover Asm 6 End-of-Forms Flag and Spring 7 End-of-Forms Sensor Action Check for binds in the gear train and paper feed mechanism by removing the paper feed motor and rotating the large gear by hand. If you notice a bind, replace the drive train assembly. Check the feed clutch gear on the left side of the auto sheet feeder. Turn the clutch gear and check that it rotates freely in one direction and locks when turned in the opposite direction. Check the pick rollers for wear. Check the following for wear: • Friction wheels • Exit roller • Star rollers Check for binds or damage. If binds are found, replace the end-of-forms flag. Check the sensor for dirt. Be sure the sensor lever is in the down position. If the failure remains, replace the system board. Diagnostic Information 2-9