70 TroubleshootingAn Error Message Is Displayed on the LCDIf an error message is displayed on the LCD, take the corresponding action described below.Message Action“There are no photos in memory card.” z There are no image data saved on the memory card that can be read by thismachine.z The machine may not recognize the file if the file name or the folder pathcontains certain characters. Use only alphanumeric characters.z Photo data edited or processed on a computer must be printed from thecomputer.“The following ink may have run out.Replacing the ink tank isrecommended.”U041If the lamp on the ink tank is flashing, ink may have run out.Replacing the ink tank is recommended.If printing is in progress and you want to continue printing, press the OK buttonwith the ink tank installed. Then printing can continue. Replacing the ink tank isrecommended after the printing. The machine may be damaged if printing iscontinued under the ink out condition.See “Replacing an Ink Tank” on page 46.NoteIf multiple ink lamps are flashing red, see “Getting the Ink Status Information” onpage 46 and check the status of each ink tank.“The following ink has run out. Replacethe ink tank.”U163Ink has run out. (The lamp on the ink tank flashes.)Replace the ink tank and close the Scanning Unit (Printer Cover).Printing under the current condition may damage the machine.If you want to continue printing in this condition, you need to release the functionfor detecting the remaining ink level. Press and hold the Stop/Reset button forat least 5 seconds, and then release it.With this operation, releasing the function for detecting the remaining ink level ismemorized. Please be advised that Canon shall not be liable for anymalfunction or trouble which may be caused by continuation of printing underthe ink out condition.See “Replacing an Ink Tank” on page 46.NoteIf the function for detecting the remaining ink level is disabled, the ink tank ingray is displayed in the remaining ink volume screen on the LCD.See “Getting the Ink Status Information” on page 46.“Print head is not installed. Install theprint head.”U051“The type of print head is incorrect.Install the correct print head.”U052Follow the directions given in your setup sheet to install the Print Head.If the Print Head is already installed, remove the Print Head once and thenreinstall it.If the error is not resolved, the Print Head may be damaged. Contact yourCanon service representative.“Inner cover is open. Close the innercover and press OK.”If the Inner Cover is open when starting printing, close it and then press the OKbutton on the machine.Do not open or close the Inner Cover while printing, as this can damage themachine.“Some ink tanks are not installed inplace.”U072“More than one ink tank of the followingcolor is installed.”U071Possible causes are as follows:z Some ink tanks are not installed in the correct position. (The lamp on the inktank flashes.)z More than one ink tanks of the same color are installed. (The lamp on the inktank flashes.)Confirm that the ink tanks are installed in the appropriate positions.See “Replacing an Ink Tank” on page 46.