Canon imagePROGRAF GP-300 - Manual (Page 84)

1. Rotate the holder stopper lever (A) towards to release the lock, and while holding it in 1.
position (B), remove holder stopper from the roll holder.
2. If using 3-inch core paper, align 3-inch paper core attachment tabs (A) with roll holder holes 2.
(B) and insert firmly.
3. With leading edge of roll paper facing forward as shown, insert Roll Holder from right side of 3.
roll. Insert firmly until roll paper touches flange (A) of roll holder.
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