Chapter 11 Troubleshooting 107X LCD MessagesBelow is a list of messages that are displayed on the LCD when a problem occurs. Check the causeof the error and take corrective actions according to the list.Message Cause Action DetailsBLACK INKCHANGED?The machine is asking whetheryou replaced the black ink tank.If you replaced the black ink tank,press [W]. If you did not, press [X].page 77BLACK INK LOW The ink level in the black inktank is low.Make sure you have a new black inktank ready to replace the used onewhen ink runs out. If the machinestops printing when copying orphoto printing, you can continueprinting by pressing [Set].However, note that ink may run out.If print quality deteriorates or theprintout is blank, replace the inktank.page 77CANNOT USE THISCARDTURN OFF AND ONYou have inserted a damagedor incompatible memory cardinto the card slot.Remove the memory card from thecard slot, then turn the power OFFand ON again.page 39CARD READERBUSYYou tried to start photo printingwhen the card slot was in useby the computer.Wait until the card slot is no longerbeing used by the computer.—CARTRIDGEJAMMEDThe print head holder cannotmove. This is normally due to apaper jam.Clear the paper jam or whatever isobstructing the print head holderand then press [Set]. Do not attemptto move the print head holdermanually.page 92CHECK PAPERSIZEThe size of the paper in themulti-purpose tray and thatspecified in the paper sizesetting are different.Load the correct paper size orchange the paper size setting. Thenpress [Set].page 22CHECK PRINTER For some reason, the machinecannot operate.Turn the machine OFF, then ON. Ifthe problem is not resolved, contactthe Canon Customer Care Center.—CLEAR PAPER JAM There is a paper jam. Clear the paper jam and reloadpaper in the multi-purpose tray.Press [Set].page 92COLOR INKCHANGED?The machine is asking whetheryou replaced the color ink tank.If you replaced the color ink tank,press [W]. If you did not, press [X].page 77