Samsung ML-651x series Service Manual page 213

3. To remove the COVER-DUPELX,
a. Remove 1 screw. Lift up the COVER-DUPLEX PATH to the direction of arrow slightly.
b. Release the both hooks with the tweezers or (-) driver.
4. Remove the COVER-LEFT after removing 2 screws.
Remove the COVER-RIGHT after removing 2 screws.
Service Manual
ML-551x / 651x series
4. Alignment and Troubleshooting
4-118
Samsung Electronics