Canon imagePROGRAF TM-300 36" Large-Format Inkjet Printer with L36ei Scanner Kit - Manual (Page 713)

The Data lamp on the Operation Panel does not light up
Check 1 Does the printer have power?
Check that the power cord is firmly plugged all the way in. Push the ON button to turn on the power to the printer.
Check 2 Was the correct printer selected?
In Windows, select the printer by clicking Select Printer or Printer in the printing dialog box and try printing
again.
In macOS, open the dialog box of the printer driver, select the printer from the list of Printer , and try printing
again.
Check 3 Is the print job paused?
In Windows, restart the print job as follows.
1. Select the printer icon in the Printers and Faxes (or Printers ) window.
2. Clear Pause Printing in the File menu to restart the print job.
In macOS, restart the print job as follows.
1. Click Print & Scan (or Print & Fax ).
2. Select the printer, and then Resume Printer (or Start Jobs ) in the Printers menu to restart the print job.
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