Oki C3530 User Manual page 29

4. Adjust the rear stopper (a) and paper guides (b) to the
size of paper being used. A6 paper uses area (c).
Paper guide adjust.jpg
5. If you are using A6 paper, re-position the rear paper guide
to the front slot.
Rear guide - A6.jpg
C3530 MFP User's Guide
Getting Started > 29