51Troubleshooting POWER Lamp Flashes Green and ALARM Lamp Flashes OrangeAlternatelyDisconnect the printer cable from the printer, turn the printer off, and then unplug the printer fromthe power supply. Plug the printer back in and turn the printer back on after leaving it for a while.If the problem is not resolved, contact your Canon Service representative.Error Message Appears on the Screen Writing Error/Output Error/Communication ErrorSixteen Flashes: Ink level cannot bedetected.Ink may have run out.The function for detecting the remaining ink level will be disabled since the inklevel cannot be correctly detected.If you want to continue printing without this function, press the RESUME buttonfor at least 5 seconds.Canon recommends to use new genuine Canon cartridges in order to obtainoptimum qualities.Please be advised that Canon shall not be liable for any malfunction or troublecaused by continuation of printing under the ink out condition.Cause ActionThe printer is not ready. Confirm that the POWER lamp is lit.If the POWER lamp is off, turn the printer on.While the POWER lamp is flashing green, the printer is initializing. Wait until thePOWER lamp stops flashing and remains lit green.If the ALARM lamp is flashing orange, an error may have occurred on theprinter. For details on how to resolve the error, see “ALARM Lamp FlashesOrange” on page 50.Printer port setting does not match thecomputer’s interface connecting theprinter.Check the printer port settings.(1) Click Start > Control Panel > Printers and OtherHardware > Printers and Faxes.In non-XP Windows, click Start > Settings > Printers.(2) Click the Canon iP1800 series icon.(3) Open the File menu and select Properties.(4) Click the Ports tab to confirm the port settings.Make sure that a port named USBnnn (Canon iP1800 series) (where “n”is a number) is selected for Print to the following port(s).If the port setting is not correct, change the port setting according to theinterface you are using, or reinstall the printer driver.The printer is not connected properly. Make sure that the printer cable is securely plugged in to the printer and thecomputer.z If you are using a relay device such as a USB hub, disconnect it, connect theprinter directly to the computer, and try printing again. If printing startsnormally, there is a problem with the relay device.Consult the reseller of the relay device for details.z There could also be a problem with the USB cable. Replace the USB cableand try printing again.Printer driver is not installed properly. The printer driver may not be installed properly. Uninstall them following theprocedure described in the Printer Driver Guide on-screen manual and reinstallthem following the procedure described in the Easy Setup Instructions.Cause Action