Canon imagePROGRAF PRO-300 13" Photographic Inkjet Printer - Manual (Page 266)

Ink Group
When you click Cleaning or Deep Cleaning , the Ink Group window is displayed.
Selects the ink group that you want to clean the print head for.
Click
Initial Check Items to display the items that you need to check before you perform Cleaning
or Deep Cleaning.
Nozzle Check
Prints a Nozzle Check pattern.
Perform this function if printing becomes faint or a specific color fails to print. Print a Nozzle Check
pattern, and check whether the print head is working properly.
If the print result for a specific color is faint, or if there are any unprinted sections, click
Cleaning to
clean the print head.
To display a list of items that you should check before printing the Nozzle Check pattern, click
Initial
Check Items .
Print Check Pattern
This function prints a pattern that allows you to check whether the any of the ink nozzles are
clogged.
Click
Print Check Pattern . When the confirmation message is displayed, click OK . The Pattern
Check dialog box is then displayed.
Left-side bitmap (good)
The print head nozzles are not clogged.
Right-side bitmap (bad)
The print head nozzles may be clogged.
Exit
Closes the Pattern Check dialog box.
Cleaning
Performs print head Cleaning.
Print head Cleaning removes any blockage in the print head nozzles.
Perform Cleaning when printing becomes faint, or if a specific color fails to print, even though
all ink levels are sufficiently high.
Power Off
Turns off the printer from the Canon IJ Printer Assistant Tool.
Perform this function to turn off the printer when you cannot press the ON button (POWER button) on
the printer because the printer is out of your reach.
You must press the ON button (POWER button) on the printer to turn the printer on again after clicking
this button. When you use this function, you will not be able to turn the printer on from the Canon IJ
Printer Assistant Tool.
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