Canon MultiPASS F20 Software User's Manual page 129

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2. Are you printing large files such as photographs or illustrations?
Meaningless characters and symbols are printing.
1. If this problem only occurs when printing a specific document
White streaks appear on the printout.
1. Print the nozzle check pattern (P. 54).
2. Are you printing on coated paper?
Printout is rubbed or stained.
1. Is the paper thickness lever set correctly?
Chapter 7
If so, the printhead will overheat. To protect the printhead,
printing will stop temporarily and resume after a period of time.
Interrupt printing when appropriate, turn off the printer and wait
15 minutes.
CAUTION
The area around the printhead may be extremely hot. Do not
under any circumstances touch it.
If you are printing large files, it will take time to process the data
and printing will appear to have stopped. Wait until data is
processed.
Open and edit the document and try printing again. If this does
not work, there may be a problem with the application. Contact
the application's manufacturer.
In the Properties dialog box, on the Main tab, click High in Print
Quality.
Troubleshooting 125
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