BestCode Next Series 8 Technical Manual October 2022 Page 207 of 290
Wrong pump configuration
The software setting for Pump type does not
match the pump installed in the machine
Change pump type to match the
installed pump. See here.
Viscosity Fault
Low vacuum venturi
Dried ink or debris are stuck in the venturi causing
low vacuum. Makeup is not able to be drawn ink
the ink tank fast enough to maintain adequate
viscosity.
Venturi orifice is poorly adjusted. Makeup is not
able to be drawn ink the ink tank fast enough to
maintain adequate viscosity.
Replacing the Venturi
Test the Venturi
Venturi vacuum inlet
restricted
Venturi inlet ports are restricted. Makeup is not
able to be drawn ink the ink tank fast enough to
maintain adequate viscosity.
Cleaning the Venturi
Review components and tubing in the
Standard Run Operation chart on the
vacuum gutter and makeup add line.
Machine is set to to the
wrong Gen Setting
Gen 1 Printers must have software configured to Gen 1, and Gen
2 Printers must have software configured to Gen 2. The two
generations use different valve control and having them set
incorrectly can allow Makeup to be rapidly added to the Ink
tank.
Ink types have been mixed
Typically occurs when SmartFill process is not followed or when
a system is not flushed well enough between ink type change
overs. Mixed ink types will produce a very thick residue on
bottom of ink tank. This will gum up the viscometer preventing
good reads.
Dump Ink Tank
Flush the Printer
The wrong solvent type was used to perform manual cleanings
on the head or other components. Continued use of wrong
cleaner type can cause residue to form in the Ink Tank. This will
gum up the viscometer preventing good reads.
A humid environment can allow more rapid concentrations of
water in the ink to occur, leading to thick and potentially jelly
like consistency. This will gum up the viscometer preventing
good reads.
Dump Ink Tank, Flush
the Printer,
Install -DRY kit to reduce
water ingress to the ink.
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