Switching failing magenta head with perfect Yellow

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Got a Roland RS 640 with DX-4 heads...
The magenta is banding and isn't firing all nozzles...on the other hand the yellow is perfect..

I'm thinking swap the magenta with the yellow which would be less noticable...

of course flush both with fluid and change the head ranks and then align but anything that could go wrong with this plan?

I made the mistake of telling the boss this might work and save 600-800 bucks

 

[CS-SignSupply-TT]

Dave, I am holding my breath

 

[Banners Signs Etc.]

Bleh you know as well as I do this will work..salesman

 

[CS-SignSupply-TT]

I am still holding my breath awaiting your GINORMOUS "thums up"

 

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No mad scientists out there? I suppose the worst that could happen is I screw up the yellow head

 

[HulkSmash]

most heads have a ink reservoir in them with the color'd ink already preloaded. I'm not so sure you can refill that.

 

[J Hill Designs]

Ive done it on my machine. M not firing, but Lc was. switched em, and just run 4 color instead of 6

 

[Banners Signs Etc.]

thanks for the reply colorado, I have actually taken the magenta head out a few times and soaked it and forced cleaning fluid through the nozzles where the dampers hook up..

I would get a month or so out of doing this..I think I could clean them to the point of being whatever color..

I guess deep down I know this would work but just need a little reassurance

 

[signage]

It should work fine, the only problem will be incorrect color until the inside of head is flushed with the new color!

 

[MikePro]

i've done this before, as well, on my JV3. same printheads. i swapped my yellow with an overspraying black, and made use out of it for another 6 months before finally giving-in and replacing with a new head.
just remember to write-down and swap the head ranks. they should already be saved in your printer (in case you accidentally wipe the head ranks off the manifold on the printhead while handling)

you still may run into issues with the misfiring yellow printhead. i.e. banding in greens/browns/blacks and of course, yellows. but definitely less-noticeable than a mis-firing magenta.

shame you can't simply swap the dampers and tell your printer the new location of the printheads (KYCM instead of KMCY, etc.). would make the job a LOT easier, but the printers just weren't designed that way.

 

[Banners Signs Etc.]

Thanks guys! Now it is just a matter of having the time to idle the machine, let alone having time to work on it..

 

[CS-SignSupply-TT]

Dave, you sound like a "...one armed paper hanger..." Success to you in extending the life of your printheads.

 

[Banners Signs Etc.]

had to look that one up...but lately I feel like a one legged man in an *** kicking contest

 

[Banners Signs Etc.]

HAH it worked!

Solid red!

and for Tim Turner see below

****Note I do not own or claim to own the rights to the photo below and is posted for informational and entertainment purposes only you can purchase this awesome graphic at****
http://yaymicro.com/vector/thumbs-up-kid/3121323

 

[CS-SignSupply-TT]

DAVE! Your patience and perseverance paid off. Congratulations!

 

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and graduated to college junior WOOT!

 

[CS-SignSupply-TT]

YOU are a College Junior at 401 posts; yet, I have no ranking with 1,451 posts. It must be the difference between UNDER graduate and POST graduate...heh!heh!heh! BTW, you got any snow falling up your way?

 

[J Hill Designs]

you paid for your ranking (MM)

 

[CS-SignSupply-TT]

"paid for my ranking"

you paid for your ranking (MM)

That was hard earned money too!