Cause Corrective ActionRemove the foreign object from the Media Take-upSensor path. Arrange the Basket Cloth and BasketRod so they do not interfere with the Media Take-upSensor.The Media Take-up Sensor cord is not connected to the Right Media Take-up Unit cor-rectly.Reconnect the Media Take-up Sensor cord as fol-lows.1. Turn the printer off.2. Disconnect the Media Take-up Sensor cord fromthe Right Media Take-up Unit and reconnect itfirmly, all the way in.3. Turn the printer on.(See "Using the Media Take-up Unit (Optional).")→ P.577If the Media Take-up Unit continues rotating, contactyour Canon dealer for assistance.The size of clear film cannot be detectedThe size of clear film cannot be detectedCause Corrective ActionThe Platen is soiled with ink or other substances. Open the Top Cover and clean the entire Platen.(See "Cleaning Inside the Top Cover.") → P.943Margins are wideMargins are wideCause Corrective ActionRolls are advanced a specific amount before cutting to prevent problems with cutting and paper ejection. This operation is normal.When printing on thin roll paper, the printed surface becomes scratchedWhen printing on thin roll paper, the printed surface becomes scratchedCause Corrective ActionThe roll paper has sagged during printing, scratchingthe surface of the paper and causing wrinkle creasesin the paper.Set Roll Tension to High in the Control Panel menu.(See "Menu Settings.") → P.673If you change the Roll Tension setting, We recommend that you perform Adj. Quali-ty.(See "Automatic Banding Adjustment.") → P.812The size of clear film cannot be detected iPF8400User's GuideTroubleshooting Problems Regarding Paper966
