33Some ink tanks are notinstalled in place.U072/More than one ink tank ofthe following color isinstalled.U071Possible causes are as follows:• Some ink tanks are not installed in place.• More than one ink tanks of the same color are installed.Confirm that the ink tanks are installed in the appropriate positions.See “Replacing an Ink Tank” on page 23.The waste ink absorber isalmost full. Press [OK] tocontinue but earlyreplacementrecommended. manual>The printer has a built-in ink absorber to hold the ink used during printhead cleaning, for example.This error message indicates that the ink absorber is nearly full.Press the OK button to cancel the error so you can continue printing.Before the ink absorber becomes completely full, contact a Canonservice representative. (You will need to replace a particular part of theprinter.)Canon recommends that you call for service as soon as this erroroccurs. Once the ink absorber becomes completely full, printing cannotbe performed until the ink tank is replaced.Incompatible devicedetected. Remove thedevice.Disconnect the camera cable and reconnect it.Depending on the model or brand of your PictBridge compliant device, youmay have to select a print mode before connecting the device.You may also have to turn on the device or select Play mode manuallyafter connecting the device to the printer.Perform necessary operations according to the instruction manualsupplied with your device.If the error is still unresolved, there is a possibility that you are using adigital camera or digital video camcorder that is not supported by thisprinter. PictBridge-compatible digital camera or digital video camcordercan be connected to your printer for Direct Printing.Auto head align has failed.Press [OK] and repeatoperation.Possible causes are as follows:• Other than A4/Letter-sized plain paper is loaded. Press the OKbutton to clear the error, and then load A4/Letter-sized plain paper inthe auto sheet feeder.• Print head nozzles are clogged.Press the OK button to clear the error, and then print the nozzlecheck pattern to examine the print head condition.For information how to print a nozzle check pattern, see “Printing theNozzle Check Pattern” on page 28.• The paper output slot has been exposed to a strong light sourcepreventing current print head alignment.Press the OK button to clear the error and move the printer to adarker location.After carrying out the above measures, if the problem continues afteraligning the print head again, press the OK button to clear the error, andthen perform manual print head alignment. For details on manual printhead alignment, see “Adjusting the Print Head Manually” on page 34.Message Try This
