Canon PRO-100S series Online Manual page 494

Make sure that there are not any foreign objects in the rear tray or manual feed
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tray.
If the paper tears in the rear tray or the manual feed tray, see
If there are any foreign objects in the rear tray or manual feed tray, be sure to turn off the printer, unplug it from
the power supply, then remove the foreign object.
Note
• If the feed slot cover is opened, close it slowly.
Make sure that the disc tray guide is closed completely.
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Paper does not feed properly if the disc tray guide is even slightly open.
Placing a Printable Disc
Clean the paper feed roller.
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Cleaning the Paper Feed Roller
Note
• Cleaning the paper feed roller will wear the roller, so perform this procedure only when necessary.
Paper Jams to remove it.
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