Canon iPF6100 Service Manual page 235

3) Turn the cam[2] in the direction of the arrow, and then press the link[1] to open the ink supply valve.
4) Release both printhead fixer levers[1] to flow the ink from inside the ink tube to the sub-buffer of the ink tank
unit.
The sub-buffer can contain 22g of ink. About 6g of ink flows into the sub-buffer each time manual ink drainage
is performed.
5) Make sure that the ink has been drained completely, turn the cam to close the ink supply valve.
[2]
F-4-108
[1]
F-4-109
Chapter 4
[1]
4-63