Canon 520 Printer User Manual


 
Printing the Nozzle Check Pattern
74
Routine Maintenance
Examining the Nozzle Check Pattern
The nozzle check pattern should appear as follows when ink is discharged properly.
Examine the nozzle check pattern output by the printer.
Lines missing here indicate the
printhead requires cleaning.
Unevenness in these patterns
indicates the printhead requires
alignment.