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Hello After replacing hundreds of heads professionally, no. Mimaki required to flush, Roland didn't. I sometimes forgot it with Mimakis, they always worked anyway.

There is a whole band of nozzles missing an a lot of misfiring. You can try to clean, soak and flush. But after many wasted hours, the head needs replacement. (If you need a decent quality output with sharp text and without ink spraying)

VW 6.16.1 is the latest and greatest version. It came out last week.

We often had issues with the light heads in the recent past.

RTFM... when you set up a new medium, you can select different ways. (Arrow key) One of them is "width only"

I guess there is... You probably lost the setting in the reinstallation process. Without knowing your cutter type, it's hard to tell. For the cutters I know, it's a cutter setting.

Replace the cyan dampers, then the printhead... (you can cross switch the two dampers and see what happens first,) When you need good quality, black could need a new head too.

All the VS and VSi have recirculating pumps on channel 1 and 8.

No Bingo!!! you will need to cut and close the connections between the cartridge outlets in the back of the machine. Just open the cover behind the cartridges. There have been black stoppers delivered with the printer. When I remember correctly, Versaworks doesn't support this configuration...

As I mentioned before. Your printhead needs replacement. Your deflected nozzles in black won't go away with soaking. It may even get worse.

Just break out the plastic "fin" protruding out of the slit of the empty cartridge.

Don't use a configuration with white ink...

Hi The cleaning pump is easily replaced. On the cleaning side, there is only one pump for all colors. The recirculation pumps are a pain to replace and there are two of them sharing one motor. These are located in the box under the cartridges.

Hi Since the VS is a old printer, I'd take a look at the pumps. I'm assuming the cap top closes air tight... I had cases where the cleaning pump was sucking ink, when I observed a cleaning cycle. But it was not enough, to keep the white going. After I replaced the pump, everything was ok...

Put a little grease on the upper side of the plastic strip on the lower right side of the maintenance cartridge.

You will probably have to replace the outer pinch rollers (complete with the black part holding the rollers) Look closely at the black parts, where the sit on the actuating rod. They tend to get cracks and don't have the correct spring loaded pressure anymore.

This sounds like your flatcable going to the toolcarriage needs replacement.

I can't speak for your dealer, but I'd just come out, backup your parameters, replace the board and see what happens.

You should install a osmosis unit in front of the humidification.

Sounds to me like air has gotten into the system. You can compare the actual y/m printhead weight with a working one. (C/K for example) If it's lighter, then its likely air in the system.