At the time of its introduction, the PRO-1000 was limited to a maximum print size of 17 by 22 inches. Since then, Canon has enabled longer print lengths through firmware upgrades to the PRO-1000.
The TR models are meant for both home and home office. The only single-function printer is the TR150 Wireless Portable.The rest of the models are either three-in-one AIOs, or four-in-one models ...