Canon imagePROGRAF GP-300 - Manual (Page 593)

Printer Keeps Ejecting the Roll Paper
When a sheet is selected on the HOME screen, loading a roll paper with its surface left loose may make the
printer recognize the loaded roll paper as a sheet.
In this case, selecting Remove paper on Paper menu may allow the printer to keep ejecting the paper.
Check the paper feed settings on the printer.
After roll ejection stops, follow these steps to reload the roll.
1. Push release lever back. 1.
2. Positioning your hands as shown, open roll paper cover. 2.
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