Canon PIXMA IP4200 Installation Instruction page 4

4) Install the tubing.
Clamp the tube into the support arm as the above pictures shown.
5) Adjust tubing
Adjust the tube length and move the cartridge carriage from left to right for several times. Please make sure
there will be no block and collision when the cartridges moving from one side to the other. Insure there's plenty
length of tube to make the cartridge carriage can thoroughly move to the right side.
The tube is excessive long. The tube is twisted. Well-installed
6) Checking the printing head