Advanced Guide > Troubleshooting > An Error Message Is Displayed on the LCDAn Error Message Is Displayed on the LCDIf an error message is displayed on the LCD, take the corresponding action described below.Message ActionThe 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 button with the ink tank installed. Then printingcan continue. Replacing the ink tank is recommended afterthe printing. The machine may be damaged if printing iscontinued under the ink out condition.Routine MaintenanceNoteIf multiple ink lamps are flashing red, see RoutineMaintenance and check the status of each ink tank.Since printing in this condition may cause the contentsof the fax to be lost, the machine stores received faxesin memory without printing until the ink tank is replaced.Print the fax stored in memory manually after replacingthe ink tank. You can set the machine to print receivedfaxes forcibly without storing them in memory, but a partof contents or all contents of the fax may not be printed.Print head is not installed.Install the print head.U051The type of print head is incorrect.Install the correct print head.U052Follow the directions given in your setup sheet to install thePrint Head.If the Print Head is already installed, remove the Print Headonce and then reinstall it.If the error is not resolved, the Print Head may be damaged.Contact the service center.Some ink tanks are not installed inplace.U072More than one ink tank of the followingcolor is installed.U071Some ink tanks are not installed in the correct position.(The lamp on the ink tank flashes.)More than one ink tanks of the same color are installed.(The lamp on the ink tank flashes.)Confirm that the ink tanks are installed in the appropriatepositions.Routine MaintenanceThe remaining level of the ink cannot becorrectly detected.U130The remaining ink level cannot be correctly detected. (Thelamp on the ink tank flashes.)Replace the ink tank and close the Scanning Unit (Cover).Printing with an ink tank that was once empty may damagethe machine.If you want to continue printing in this condition, you need torelease the function for detecting the remaining ink level.Press and hold the Stop button for at least 5 seconds, andthen release it.With this operation, releasing the function for detecting theremaining ink level is memorized Please be advised thatCanon shall not be liable for any machine malfunction ordamage caused by refilled ink tanks.Routine MaintenanceNoteIf the function for detecting the remaining ink level isdisabled, the ink tank in gray is displayed on the LCDwhen checking the current ink level.Routine MaintenanceSince printing in this condition may cause the contentsof the fax to be lost, the machine stores received faxesin memory without printing until the ink tank is replaced.Page 824 of 997 pagesAn Error Message Is Displayed on the LCD
