Canon PIXMA iP4820 On-Screen Manual - Page 51
Printing the Nozzle Check Pattern - color green
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Printing the Nozzle Check Pattern Page 51 of 468 pages Advanced Guide Troubleshooting Contents > Routine Maintenance > When Printing Becomes Faint or Colors Are Incorrect > Printing the Nozzle Check Pattern C094 Printing the Nozzle Check Pattern Print the nozzle check pattern to determine whether the ink ejects properly from the print head nozzles. You need to prepare: a sheet of A4 or Letter-sized plain paper Note If the remaining ink level is low, the nozzle check pattern will not be printed correctly. Replace the ink tank whose ink is low. See Replacing an Ink Tank . Printing the nozzle check pattern without a computer You can also print the nozzle check pattern from the printer itself using the RESUME/CANCEL button. 1. Make sure that the power is turned on and one or more sheets of A4 or Letter-sized plain paper are loaded in the Cassette. 2. Open the Paper Output Tray gently, and extend the Output Tray Extension to open. If the Inner Cover is open, close it. 3. Hold down the RESUME/CANCEL button until the POWER lamp flashes green twice, then release it immediately. The nozzle check pattern will be printed. Do not perform any other operations until the printer completes the printing of the nozzle check pattern. Examine the nozzle check pattern and take an appropriate action. See step 1 in Examining the Nozzle Check Pattern . 1. Make sure that the power is turned on. 2. Make sure that one or more sheets of A4 or Letter-sized plain paper are loaded in the Cassette. 3. Open the Paper Output Tray gently, and extend the Output Tray Extension to open. Important If the Inner Cover is open, close it. 4. Open the printer driver setup window. See Opening the Printer Driver Setup Window . 5. Print the nozzle check pattern. (1) Click the Maintenance tab. (2) Click Nozzle Check.