Canon BJC 50 Service Manual - Page 79

Canon BJC 50 - Color Inkjet Printer Manual

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BJC-50 3.4.4 Nozzle check pattern print Part 3: Operating Instructions Print out this pattern using all nozzles of the BJ cartridge. In the event that print defects appear, perform a cleaning operation of the head. If print quality does not improve even after the cartridge is cleaned once or twice times, replace the BJ cartridge. Refer to Part 3: 3.3.1 Cleaning the BJ cartridge (page 3-16 ). BC-11e Printed with the first nozzle. 24 24 24 64 Printed with the first nozzle. Yellow 24 nozzles Magenta 24 nozzles Cyan 24 nozzles Black 24 nozzles 24 24 24 24 Printed with the 136th nozzle. Large and small dot printing Printed with the 136th nozzle. Small dot printing Figure 3-16 Nozzle Check Pattern Print (Sample) 3.4.5 All fonts pattern print Figure 3-17 All Fonts Pattern Print (Sample) To stop the test print, press the POWER button. 3-21

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3.4.4 Nozzle check pattern print
Print out this pattern using all nozzles of the BJ cartridge.
In the event that print
defects appear, perform a cleaning operation of the head.
If print quality does not
improve even after the cartridge is cleaned once or twice times, replace the BJ
cartridge.
Refer to
Part 3:
3.3.1 Cleaning the BJ cartridge (page 3-16 )
.
3.4.5 All fonts pattern print
To stop the test print, press the
POWER
button.
3-21
BJC-50
Part 3: Operating Instructions
BC-11e
Printed with the first nozzle.
Printed with the 136th nozzle.
Large and small dot printing
Yellow 24 nozzles
Magenta 24 nozzles
Black 24 nozzles
Cyan 24 nozzles
Printed with the 136th nozzle.
Small dot printing
Printed with the first nozzle.
24
24
24
64
24
24
24
24
Figure 3-16 Nozzle Check Pattern Print (Sample)
Figure 3-17 All Fonts Pattern Print (Sample)