BestCode NExT 86 - Common Cij Issues; Common Fluidic Issues

BestCode Next Series 8 Technical Manual October 2022 Page 206 of 290
Step 4:
When the time reaches 60 seconds, disable the
pump and viscometer valve and Measure the
Graduated Cylinder.
For all models, there should be atleast 15ml of
Ink or about 0.5oz in the cylinder.
Less than this indicates a flow restriction inside
the viscometer.
Viscometer Cleaning is required.
Common CIJ Issues:
Common Fluidic Issues
Listed here are a few of the most encountered fluidic issues that require troubleshooting.
Pump Fault
Loose Connection
A loose connection on the pick-up side of the ink pump can result in pump faults.
Cause
Reason
Solution
Air Leak at the Tank Pickup
Tube is not fully inserted into the tank pick.
Can be caused by dried ink or deformed
tube.
Remove tube, cut tubing square or
replace tubing. Clean pickup push to
connect and re-insert.
Clogged pump pickup
Ink is very thick or dried in the tank and is
blocking the ink pickup
Discard tank, clean pickup tube,
reassemble and install fresh ink.
Air Leak at Pre-pump filter
Compression fittings on the Pre-pump filter
are loose or tube is not inserted deep
enough.
Remove tube, cut tubing square or
replace tubing. Insert tubing into Pre-
pump filter and tighten as instructed
here.
Air Leak at Pump inlet
Tube is not fully inserted into the tank pick.
Can be caused by dried ink or deformed
tube
Remove tube, cut tubing square or
replace tubing. Clean pickup push to
connect and re-insert.