Canon imagePROGRAF iPF6100 User Manual page 171

3.
Slide the Width Guide (a) to align it with the mark for the size of paper you will load.
4.
Load the paper in the Top Paper Feed Slot with the printing side face-up.
Insert the paper until its edge touches the far end of the tray lightly.
5.
Move the Width Guide (a) to match the size of paper loaded.
Set the Width Guide against the edge of the paper to prevent the paper from becoming crooked
or wrinkled.
6.
Press the OK button to start feeding the paper.
After the paper is advanced and the printer goes online, printing starts automatically.
If no print job was received beforehand, the printer enters Standby mode.
Handling sheets for paper feed slots
Handling Paper 157