Canon Firmware

Firmware: Canon ImagePROGRAF Pro-1000 v1.1

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Canon has released an firmware update for the ImagePROGRAF Pro-1000 printer, this brings the firmware to version 1.1

Firmware v1.1:

The maximum printable height of custom paper size will be lengthened to 25.5-inch (647.70mm) with specifying in the printer driver.

This still may not be enough for some people, you can read more about this from this intensive review over at Northlight.