When the time reaches 60 seconds, disable the pump
and Measure the Graduated Cylinder.
For all models, there should be atleast 35ml of Ink
or about 1.5oz in the cylinder.
Less than this indicates a flow restriction viscometer
that must be resolved.
Grey Tube (Active flow only)
The results of this test are only valid if the test one the Brown Tube resulted in a flow more than 35ml.
With the jet off, insert the Grey
tube from the Ink Tank into a graduated
cylinder.