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Topic: HEAD PROBLEMS

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Anonymous
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HEAD PROBLEMS

I'm a seiko owner for a year now and had 3 heads replaced!  and another 3 now showing bad indications even the one that just been replaced 3 weeks ago!.  I take care of my printer - keeping tempreture - cleans in the capping and wipers of the wiping stations, with fresh maintance fluid on sponge daily. etc..


Is there a way to clean the heads manually - I mean if white bands are appearing in the prints?


Still not knowing whats causing this! and waiting for answers from my agent.


Can anyone help.


 


my email is djynnsigns@global.net.mt


 



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when you say white bands do you mean like the paper feed bands or missing jets? you can manually clean the heads, but it's a bit of a fiddly job, because you have to remove the wiping assembly to access the bottom of the heads. even if you do this, it sounds like you have a more fundamental fault that's causing the heads to fail, and this is what you should be trying to focus the seiko agent on.


what temperatures are you running? what substrates are you running? how long are your print runs? these are all things that can effect the heads..



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Anonymous
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Yes, it would be great if someone could share the definitive instruction how to keep a Seiko head alive!

We mainly run SAV, no great print runs, couple of two meter drops at the time, no head strikes, fill the capping station when not printing, still the heads fail without fail.

The machine has caused our business major cost and frustration aand we would like to see an end to it!

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Newbie
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I'm a ColorPainter 64S owner for over a year too and had 4 or 5 (not sure) heads replaced covered by the warranty.


The problem is that now your light cyan is getting clogged and needs to be replaced and the dealer asked for U$ 2,690.00 (US Dollars). Is that the regular price for one seiko head? How much do you pay for that is US/Canada and in Europe?


Thanks


Manoel Junior (mjunior@ace.com.br)



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i would first ask the question why it was clogging and failing if you're doing everything right? if this is not addressed then you'll pay your money, the head will get replaced, and the same thing may happen all over again! light cyan had a batch problem, so get them to check that. if memory serves me it was 4315, 4517 & 4630.


to keep a head alive the best way is to run the printer. if this is not possible then leaving it switched on should be fine. no need to keep filling the caps manually, as it will do this automatically after about 72hrs of non-printing. even so, you shoul dnot be experiencing such issues, so really push the seiko agent to check the whole system and not jsut the head, as this is the easiest thing to replace..


as for price $2600 doesn't seem that extreme when you take into consideration the head and labor costing.


one further question. when the head gets replaced, who supplies the ink for the ink charge. does the seiko agent bring his own or do they use yours??



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I've started this thread - but was not registered, so i'm answering some questions.


 


1. when I mean white bands - are not feeding bands but misfiring jets. (know for sure from nozzle check)


2. My agent done the manual clean of heads by moving carriage to dismatled wiping station and manual clean but still the clogging is there.


3. I run my printer under a tempreture of 20deg to 25deg celcius as manual states and only use vinyl as my printing media such as metamark, oracal and mactac.     I do not have that bulk printing, I usually print once a day or once every 2 days from 1mtr drop to 6mtr drop approx.


I know about the light cyan batch of defected ink - I had mine replaced,  few months after the black head and again had it changed about 7months afterwards, making it total of 3; and now a month after the same black head is getting worse.. clogging again.  I got this black ink from seiko.  I leave the printer on DAILY as I know its useful for the auto clean every 20hrs, ...so I ask after all this WHAT IS WRONG?  The machine is working fine - was all checked up by my agent, infact when heads are replaced they work fine at first.


Can anyone suggest me how can I keep my heads clean or perhaps clean them manually. I mean inside the head  - for opening the nozzles.  I have another 3 heads with missfiring jets! (light cyan, light magenta and magenta) - and the just replaced black head.


My printings look horrible under 720x720 4 pass - infact I'm only printing under high qual. - 8pass and still when looking very close you can still notice that solid colours and not solid as should be!


My agent is doing the best but having alot of delays from seiko for some answers!


Mario.


 


 



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mario
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| solved slightly the problem by decreasing the heaters. but still....  

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mario
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Going on 10 months with ours. Couple of hiccups but all solved quickly & efficiently by dealer or Seiko. I wouldn't dream of bringing this on board without a support plan. We clean & inspect daily and that brings any issues to our attention. Anything we can't solve we let the experts take care of it. My day needs to be filled with getting work in to make this printer do what it does best, eat Ecosolvent printers for lunch. I do believe matching the printer type to your workflow is imperitive to have it operate effectively for you.

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