114 Chapter 9TroubleshootingCHECK INKU041The ink has run out (The lamp on the ink tank flashes).Replace the ink tank, and close the Scanning Unit (Printer Cover).If printing is in progress and you want to continue printing, press the [OK]with the ink tank installed. Then printing can continue under the ink outcondition. Replace the empty ink tank immediately after the printing. Themachine may be damaged if printing is continued under the ink outcondition.NoteIf multiple ink lamps are flashing red, check how fast they flash. Fastflashing (at about one second interval) indicates the ink is empty. Slowflashing (at about three second interval) indicates ink is low. For details ondifferent flashing speeds, see “Getting the Ink Level Information” onpage 98.CHECK INKU071U072Possible causes are as follows:z Some ink tanks are not installed in place.z More than one ink tanks of the same color are installed.Confirm that the ink tanks are installed in the appropriate positions.See “Replacing an Ink Tank” on page 98.CHECK INKU130An 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 liable for any machine malfunction or damage causedby refilled ink tanks.If you want to continue printing with the refilled ink tank installed, pressand hold the [Stop/Reset] for at least 5 seconds, and then release it. Usingrefilled ink tanks are memorized.* This operation will release the function for detecting the remaining inklevel.CHECK INKU140U043Possible causes are as follows:z The ink tank may not be installed properly (The lamp on the ink tank isoff).Install the appropriate ink tank.z The ink tank may not be compatible with this machine (The lamp on theink tank is off).Install the appropriate ink tank.See “Replacing an Ink Tank” on page 98.CHECK INKU150Ink tank errors have occurred (The lamp on the ink tank is off).Replace the ink tank.See “Replacing an Ink Tank” on page 98.CHECK PAGE SIZE The size of the page in the Auto Sheet Feeder or Cassette and thatspecified in the page size setting are different.Load the correct page size or change the page size setting. Then press[OK].CHECK PRINTER An error requiring servicing might have occurred.Turn OFF the machine, and unplug the power cord of the machine fromthe power supply. After a while, plug the power cord of the machine backin and turn ON the machine. If the same error occurs, contact a CanonCustomer Care Center.Message Action