Some canon inkjet printer models support self operation which we can perform self test to check the printer’s condition without connecting it to the computer.
This article leads you to perform self test on Canon Pixma iP1880.
- Power ON the printer and make sure that the cartridge are installed
- Set the paper in paper tray
- In stand by condition, press RESUME button 5 times in a row within 2 seconds.
Wait until the printer start printing and check the nozzle pattern.