Canon PIXMA i900D i900D Quick Start Guide - Page 40

Examining the Nozzle Check Pattern

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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. Note If any ink tanks have run out of ink, the nozzle check pattern will not be printed correctly. In this event, replace the relevant ink tanks. (1) White stripes in this pattern require a print head cleaning. When white stripes appear See "Print Head Cleaning" on page 36. (2) Uneven patterns indicate that the print head requires alignment. When lines are uneven When lines are even See "Aligning the Print Head" on page 40 (3) Horizontal stripes in this pattern indicate that the print head requires alignment. This pattern is not printed when printing is specified from the maintenance menu on the operation panel. When horizontal stripes appear See "Aligning the Print Head" on page 40 35

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Printing Maintenance
35
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.
Note
If any ink tanks have run out of ink, the nozzle check pattern will not be printed
correctly. In this event, replace the relevant ink tanks.
(2)
Uneven patterns indicate that the print head
requires alignment.
When lines are uneven
When lines are even
See
"Aligning the Print Head
Aligning the Print Head
Aligning the Print Head
Aligning the Print Head"
on page 40
(1)
White stripes in this pattern require a print head
cleaning.
When white stripes appear
See
"Print Head Cleaning
Print Head Cleaning
Print Head Cleaning
Print Head Cleaning"
on page 36.
(3)
Horizontal stripes in this pattern indicate that the
print head requires alignment.
This pattern is not printed when printing is
specified from the maintenance menu on the
operation panel.
When horizontal stripes appear
See
"Aligning the Print Head
Aligning the Print Head
Aligning the Print Head
Aligning the Print Head"
on page 40