Troubleshooting78Nine flashes A specified periodof time has elapsedwithout receiving aresponse from thedigital camera/Thedigital camera ordigital videocamcorderconnected is notcompatible withthis printerDisconnect the camera cable and reconnect it.Depending on the model or brand of your device, you may have toselect a print mode compliant with PictBridge before connecting thedevice.You may also have to turn on the device or select Play mode manuallyafter connecting the device to the printer.Perform necessary operations according to the instruction manualsupplied with your device.If the error is still unresolved, there is a possibility that you are using a digitalcamera or digital video camcorder that is not supported by this printer. Use adigital camera or digital video camcorder compatible with this printer.Ten flashes Cannot print onboth sides of thepageThe size of paper may not be compatible with automatic duplex printing. Pressingthe RESUME/CANCEL button will discharge the paper, and restart printing from thefront side of the next paper. The reverse side will not be printed when an erroroccurs.The sizes of media suitable for automatic duplex printing are Letter and 5" x 7"/127.0 x 177.8 mm.Eleven flashes Automatic printhead alignmentfailedPossible causes are as follows:z Letter-sized paper is not loaded on the Auto Sheet Feeder.Press the RESUME/CANCEL button on the printer to clear the error, then loadone sheet of Letter-sized paper in the Auto Sheet Feeder.Automatic head alignment cannot be performed using paper from the Cassette.For automatic print head alignment, always load paper in the Auto SheetFeeder.z Print Head nozzles are clogged.Press the RESUME/CANCEL button on the printer to clear the error, and thenprint out the nozzle check pattern to examine the print head condition.See “Printing the Nozzle Check Pattern” on page 47 for information on how toprint a nozzle check pattern.z The Paper Output Slot has been exposed to a strong light source preventingcorrect Print Head alignment.Press the RESUME/CANCEL button to clear the error and move the printer to adarker location.After carrying out the above measures, if the problem continues after aligning thePrint Head again, press the RESUME/CANCEL button to clear the error, and thenperform manual print head alignment. For details on manual print head alignment,refer to “Aligning the Print Head” in theUser’s Guide.Thirteen Flashes The remaining levelof the ink tankcannot be correctlydetectedAn ink tank that was once empty is installed.Replace the ink tank.Printing under the situation may damage the Print Head. Canon shall not be liablefor any printer malfunction or damage caused by refilled ink tanks.If you want to continue printing with the refilled ink tank installed, press and holdthe RESUME/CANCEL button for at least 5 seconds, and then release it. Usingrefilled ink tanks are memorized.* This operation will release the function for detecting the remaining ink level.Fourteen flashes The ink tank cannotbe recognizedThe ink tank may not be compatible with this printer (The lamp on the ink tank isoff).Install the appropriate ink tank.See “Replacing an Ink Tank” on page 37.Fifteen flashes The ink tank cannotbe recognizedInk tank errors have occurred (The lamp on the ink tank is off).Replace the ink tank.See “Replacing an Ink Tank” on page 37.Number ofFlashes Possible Cause Try This