Canon i850 Series i850 Quick Start Guide - Page 39

Printing 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. (1) Lines missing here indicate the print head requires cleaning. See "Print Head Cleaning" on page 37 (2) Unevenness in these patterns indicates the print head requires alignment. See "Aligning Print Head" on page 42 (3) Horizontal stripes in these patterns indicate the print head reguires alignment. See "Aligning Print Head" on page 42 Print Head Cleaning Clean the print head if you suspect that the nozzles might be clogged. Cleaning the print head consumes ink, so perform print head cleaning only when necessary. 1 Ensure that the printer is on. 2 Open the Printer Properties dialog box. See "Opening the Printer Properties dialog box directly from the Start menu" on page 20 37