Advanced Guide TroubleshootingContents > Routine Maintenance > Replacing a FINE CartridgeReplacing a FINE CartridgeWhen ink runs out while printing is in progress, an error message appears on the LCD or your computerscreen. Make sure which FINE Cartridge has run out of ink and replace it with a new one.NoteIf the error message appears, confirm the displayed message and take an appropriate action.For details, refer to the "An Error Message Is Displayed on the LCD" in the " Troubleshooting " of theon-screen manual: Advanced Guide.For information on the compatible FINE Cartridges, refer to the printed manual: Getting Started.Replacing ProcedureWhen FINE Cartridges run out of ink, follow the procedure below to replace them.ImportantHandling FINE CartridgesDo not touch the electrical contacts (A) or print head nozzles (B) on a FINE Cartridge. The machinemay not print properly if you touch it.To maintain optimal print quality, we recommend the use of specified Canon brand FINE Cartridges.Refilling ink is not recommended.If you remove a FINE Cartridge, replace it immediately. Do not leave the machine with FINECartridges removed.Use new FINE Cartridges for replacement. Installing used FINE Cartridges may cause the nozzles toclog.Furthermore, with such cartridges, the machine will not be able to inform you when to replace thecartridges properly.Once a FINE Cartridge has been installed, do not remove it from the printer and leave it out in theopen. This will cause the FINE Cartridge to dry out, and the printer may not operate properly when itis reinstalled. To maintain optimal printing quality, use a FINE Cartridge within six months of first use.NoteIf a FINE Cartridge runs out of ink, you can print with either Color or Black FINE Cartridge, inwhichever ink remains, only for a while. However the print quality may be reduced compared towhen printing with both cartridges. We recommend to use new FINE Cartridges in order to obtainoptimum qualities.Even when printing with one ink only, print with leaving the empty FINE Cartridge installed. If eitherof the Color FINE Cartridge or Black FINE Cartridge is not installed, an error occurs and the machinecannot print.For information on how to configure this setting, refer to the on-screen manual: Advanced Guide.Color ink may be consumed even when printing a black-and-white document or when black-and-white printing is specified.Every ink is also consumed in the standard cleaning and deep cleaning of the Print Head, whichPage 121 of 853 pagesReplacing a FINE Cartridge