A worn table can be machined back true. If the table is just out of square, it can be adjusted. Some of the smaller machines have set screws for this adjustment, others must be shimmed. The roller pressure appears to be all right. Be sure to use a non- marking roller.
Urethane works much better than rubber.
The chipbreaker setting may need to be adjusted depending upon the oversize of the lumber. You need enough pressure to hold, but not excessive pressure. Sounds like the way you have the machine set is a good starting point. E-mail us and let us know what you think. No part of this publication may be reproduced in any manner without permission of the Editor.