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May be. I've never seen those message on the SP-540V. And we've used all kind of printheads. Try to get the machine to an older firmware version. I don't know how/if VPs can be downgraded.

So the procedure could be downgrade the firmware, put the printhead and later upgrade firmware again? Only if w could do something similar with JV5....

I also think it's ink starvation. Due to environment temperature or some other causes, the ink flow (usually the black) cannot cope with the printhead demand under high speeds. That's why when you changed the profile the problem gone. Sometimes, using the big dampers can help with the problem. I...

Well, I have those heaters disconnected on the JV5 and I don't feel the difference. Regarding the printhead compatibility, to explain better, there's a printhead tailored for the JV5 which costs about $2000 or more. That head is also suitable for the JV33. However, there's a printhead, the...

The price is not the same. You can put a DX5 solvent printhead working on a JV33/Valuejet for barely half the price of a JV5 printhead.

Well, usually the clog due to bad black ink is located on the captop's filter more than the nozzles. If you use solvent and a syringe be careful to not spill solvent and don't put too much pressure. Always machine unplugged. Anyway, I'd like to ask the experts which is the best solvent to do...

Half full?? My JV5 has all the dampers half full and I thought it was right. All your other dampers are full of ink?

The thing tells Rooster can make sense because I've seen the cappings go really high when parking the printhead. They push too much against the printhead. Regarding the pressures, the JV5 has valves on the cartridges to close the lines when not printing. Also, the dampers are different. They...

Dear Fellows, I don't know if this is a known problem, but from time ago, I suffer ink cross contamination on the JV5 printheads. I start printing and the yellow begins printing black some nozzles till it's completely yellow after some passes. This behaviour have ruined lots of prints, as...

Please, do you have any clue of what could be the problem? I start printing and the drying fan stays off. I don't know where to look at, the Box Relay Board or the Fork PCB. I don't know if this is a recursive problem by there. It's the first time it occurs here. Thanks, Robert.

So are that problem due to crappy $1600 printheads or to crappy $50000 Mimaki JV5s?? Are Epson or Mimaki guilty, or might be us idiot printers believing all the false statements the vendors say and suffering the lack of support?

Bump!!! Any luck trying to put JV33 printhead on a JV5? Anybody did the trick?? I'm pretty sure it can be hacked. It's not fair anywhere that the JV5 printhead cost the double being the same.

I'm an Spaniard. Daniel. What's the meaning of RockHopper?? Something like a tank or deposit made of stone?? Anyway, and staying on topic, I was searching for bad experiences with the XJ-640, as it's the first choice. I have a SP540 from I don't remember when, and it still prints'n cut...

Dear friends, I'm about to choose between the Mutoh Rockhopper III and the Roland XJ-640. I'm more inclined for the Roland because it can print faster (till 40 sqm/h vs. 22) and it has six colours. But if you can tell your opinion, it would be marvellous. Thanks and best regards, Robert.

and tititata, how're you doing with your jumbo JV5??

Just three machines all over the USA!!! That's really curious. Anyway, the JV5 it's not for everybody, it's a picky machine, but when runs, it's a joy.

This is only curiosity, but any knows what's the average price on the second hand market for a JV5 320S?

Hi Scot, hope all is going well. U remember me?. My JV5 is performing well on average. I only have problems with alignment (it's a matter of refine it) and with cyan ghosting when printing on high speed. I've tried with Triangle and with Afford ink with the same results, I think I have to adjust...

1 square foot = 0.0929 square meters so 1 square meter = 10,7639 square feet. Then 9,4 sqm/h is 101,18 sqf/h Not bad at all :smile:

or you can separate the main inputs and plug a $60 UPS only at the brain of the machine, leaving the heaters directly to wall current. But you would lose your warranty because you've to open the machine to do that.