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 ActionCheck inkU051/U052/U053/U059The FINE Cartridge may not be installed properly, or theCartridge may not be compatible with this machine.Open the Scanning Unit (Cover) and install the appropriateFINE Cartridge.If the error is not resolved, the FINE Cartridge may bedamaged. Contact the service center.Check inkU075/U076Make sure that each FINE Cartridge is installed in the correctposition.Routine MaintenanceCheck inkU140The FINE Cartridge may not be compatible with thismachine.Install the FINE Cartridge compatible with this machine.Routine MaintenanceCheck inkU150The FINE Cartridge may not be installed properly.Open the Scanning Unit (Cover) and install the appropriateFINE Cartridge.If the error is not resolved, contact the service center.Check inkU162The ink may have run out.The function for detecting the remaining ink level will bedisabled since the ink level cannot be correctly detected.If you want to continue printing without this function, pressthe machine's Stop button for at least 5 seconds.Canon recommends to use new genuine Canon cartridgesin order to obtain optimum qualities.Please be advised that Canon shall not be liable for anymalfunction or trouble caused by continuation of printingunder the ink out condition.NoteIf the function for detecting the remaining ink level isdisabled, is displayed on the LCD.Routine MaintenanceSince the information contained in the fax may be lost ifit is printed in this condition, the received fax will not beprinted and will be stored in memory until the inkcartridge is replaced. You must manually print out faxesthat were stored in memory. You can change the settingso that the received fax is forcibly printed out instead ofbeing stored in memory, but all or part of the faxinformation may not be printed because of the ink outcondition.Check inkU163The ink has run out.Replace the ink cartridge and close the Scanning Unit(Cover).If printing is in progress and you want to continue printing,press the machine's Stop button for at least 5 seconds withthe ink cartridge installed. Then printing can continue underthe ink out condition.The function for detecting the remaining ink level will bePage 812 of 973 pagesAn Error Message Is Displayed on the LCD
