73
MO-C1 Training
Slide 73
Ink Filling - 1
Before a machine leaves the factory, the ink supply tubes,
sub tanks, and print heads are filled with priming fluid.
This priming fluid prevents the seams of the joints and
connections of the ink supply system from drying out during
shipping and storage.
The priming fluid must be drained completely from the ink
supply tubes, ink tanks, and print heads at installation
before they are filled with ink.
To do this, special cartridges, called ‘primer fluid drain
cartridges’, must be loaded into the ink supply unit to
collect this fluid. Then the machine reverse pumps the fluid
out into these empty cartridges.
The drain cartridges are packed with the machine in the
carton box.
To avoid confusion with the starter ink cartridges, the drain
cartridges have no color sticker on them.
Also, bubbles form in the fluid between the cartridge and the print head. If these
go out through the nozzles, the can damage the nozzles. So the fluid must be
drained back into empty cartridges, not out through the nozzles.
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