Cause Corrective ActionRemove the foreign object from the Media Take-up Sen-sor path. Arrange the Basket Cloth and Basket Rod sothey do not interfere with the Media Take-up Sensor.The Media Take-up Sensor cord is not connected to the Right Media Take-upUnit correctly.Reconnect the Media Take-up Sensor cord as follows.1. Turn the printer off.2. Disconnect the Media Take-up Sensor cord from theRight Media Take-up Unit and reconnect it firmly, allthe way in.3. Turn the printer on.(See "Using the Media Take-up Unit (Optional).") âž” P.506If the Media Take-up Unit continues rotating, contact yourCanon 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.") âž” P.840Margins are wideMargins are wideCause Corrective ActionRolls are advanced a specific amount before cutting toprevent problems with cutting and paper ejection.This operation is normal.When Cutting Mode in the Control Panel menu wasset to Manual, you selected Do not perform in re-sponse to the "Perform the detection of paper lead-ing edge?" message.Set Cutting Mode to Manual again, and select Perform(recommend) when the"Perform the detection of paper leading edge?" message is displayed.Note that when you select Perform(recommend), if the paper is strongly curled,the Printhead may rub against the leading edge of the paper when the printingstarts.(See "Specifying the Cutting Method for Rolls.") âž” P.483When 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, scratch-ing the surface of the paper and causing wrinklecreases in the paper.Set Roll Tension to High in the Control Panel menu.(See "Menu Settings.") âž” P.591If you change the Roll Tension setting, We recommend that you perform Adj. Quali-ty.(See "Automatic Banding Adjustment.") âž” P.719The size of clear film cannot be detected iPF8400SUser's GuideTroubleshooting Problems Regarding Paper860
