Canon GP-300 Online Manual page 121

Follow the instructions on the screen to remove the paper, and redo the operation.
2. 2. Slide the width guide (A) to align it with the mark for the size of paper you will load.
3. 3. Load a single sheet printing-side up in the feed slot, with the right edge aligned with the
paper alignment line (A) to the right of the roll paper cover.
Insert the paper until the leading edge makes contact.
4. 4. Move the width guide (A) carefully to match the size of paper loaded.
Set the width guide against the edge of the paper to prevent the paper from becoming crooked or
wrinkled.
121