Door Jamb Not Flush With Drywall
In other words the jamb is not at a perfect 90 degree angle to the door and the door hits the jamb not allowing it to completely close.
Door jamb not flush with drywall. Flush primed door panels are ideal when you want your wall and door color to be the same. The drywall is shaved to allow the casing to sit flat on the wall and on the frame. Watch a simple way to build and install your own wood trim that also solves a common problem with drywall that extends too far past door and window jambs. This is caused by over shimming the door jamb opposite the hinge side.
The hinges or the edge of the door are making contact with the jamb prior to the door completely being closed. If you have or want to purchase a biscuit jointer they do a nice job of keeping your extensions sturdy and lined up with the jambs. The casing door and window frame moldings should be mounted parallel to the drywall not canted in. They can be shimmed on the outside edge using stock cedar shims every 12 to 15.
2 basic time taken. However you can certainly use it to create a 2 tone look as well where the door panel is different from the wall color. If not i think your best option is going to be to build the extensions proud of the wall and then bring them down flush with a power planer or belt sander. Nail through the shims and then trim the shims flush to the outside edge of the casing.