Canon PIXMA iP8750 - Manual (Page 87)

Storing the disc tray
When not using the disc tray, hook it onto the hooks on the back of the printer.
Hook disc mounting side in, as shown in the figure.
Important
• If the disc tray is bent, it may become unusable. Be sure to store it on the back of the printer.
• When storing the disc tray, be sure not to bend or peel off the transparency film on its leading edge.
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