Canon imagePROGRAF TX-3100 36" Printer with Basket - Manual (Page 683)

Deleting the Undesired Print Job
If the printer does not start printing, canceled or failed print job data may be remaining.
Delete unnecessary print jobs from the print status check screen.
1. Open System Preferences , and select Printers & Scanners 1.
2. Select your model, and then click Open Print Queue... 2.
The print status check screen appears.
3. Select the unnecessary print job and click 3.
The selected print jobs will be deleted.
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