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Strange lines appear on prints

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Post Tue Jun 18, 2019 12:39 pm

Strange lines appear on prints

Hi,
I use an old Mutoh and SignLab 8 and recently it has been acting up (don´t know which).

As you can see in the attached picture the prints have these faint lines all over, diameter less than a hair.

What could cause this?
Attachments
tulostusvirhe.jpg
Print failure
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Post Tue Jun 18, 2019 5:08 pm

Re: Strange lines appear on prints

Check for contamination (ink threads) hanging down from the edge of the print heads.
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Post Tue Jun 18, 2019 5:24 pm

Re: Strange lines appear on prints

clean as a whistle :rollseyes:

And these marks are 90 degrees to the printhead movement.

There has to be some kind of a leak on printheads to cause this, or else it has to be software related.
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Post Tue Jun 18, 2019 5:34 pm

Re: Strange lines appear on prints

Does it do it on other files or just that one?
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Post Tue Jun 18, 2019 5:50 pm

Re: Strange lines appear on prints

I´ve tried many files, also many file types (jpg, eps, etc).
Only times they don´t appear is when I don´t use bi-directional print, but then the speed is very slow and also the quality is worse (?).
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Post Tue Jun 18, 2019 5:51 pm

Re: Strange lines appear on prints

Is it possible that the printheads are just too worn?

I don´t want to believe that, because I replaced them ca. 2 years ago and I don´t print much.
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Post Tue Jun 18, 2019 7:33 pm

Re: Strange lines appear on prints

Don't know Mutoh machines.

But if it only does it when running Bi-Directional (putting ink down as the head moves left & right) it may be worth calibrating the printer for BiDirectional.
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Post Wed Jun 19, 2019 8:30 am

Re: Strange lines appear on prints

And how is that done?
Expert job or diy?

It´s done this for about 6 months , earlier no worries.
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Post Wed Jun 19, 2019 8:39 am

Re: Strange lines appear on prints

that's data interference. The heads are firing at random. Can be caused a by many things, you need an engineer to look at it.
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Post Wed Jun 19, 2019 8:49 am

Re: Strange lines appear on prints

Loic Delor wrote:that's data interference. The heads are firing at random. Can be caused a by many things, you need an engineer to look at it.

Auts, that´s gonna cost a few dimes.
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Post Wed Jun 19, 2019 8:55 am

Re: Strange lines appear on prints

Marko wrote:
Loic Delor wrote:that's data interference. The heads are firing at random. Can be caused a by many things, you need an engineer to look at it.

Auts, that´s gonna cost a few dimes.


The joys of owning a printer I’m afraid. An engineer visit is usually expensive yes, but not as expensive as a big dead printer shaped paperweight.
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Post Wed Jun 19, 2019 9:04 am

Re: Strange lines appear on prints

Kevin Mahoney wrote:
Marko wrote:
Loic Delor wrote:that's data interference. The heads are firing at random. Can be caused a by many things, you need an engineer to look at it.

Auts, that´s gonna cost a few dimes.


The joys of owning a printer I’m afraid. An engineer visit is usually expensive yes, but not as expensive as a big dead printer shaped paperweight.


Just talked to the engineer who knows Mutohs and he quoted 540 - 700€ for a 1 - 2 hour visit.

I think I´m gonna try to clean the electrical parts etc. and wish for the best.
This machine is so old that it woukd be crazy to pay fot it´s maintenance.
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Post Wed Jun 19, 2019 9:24 am

Re: Strange lines appear on prints

This machine is so old that it woukd be crazy to pay fot it´s maintenance.[/quote]

I have to disagree on that, if €700 puts it back to a decent standard, that, in my view is worth every penny.
The printer running for a day or two should pay for its upkeep. I have the very first machine I ever bought 16 years ago ( a 30” versacam) still churning out print on a daily basis. Great print quality, very slow. If I traded it in or stuck it on eBay it would fetch about a grand.
If it runs all day just doing garment vinyl it will earn more or less the same.
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Post Wed Jun 19, 2019 9:36 am

Re: Strange lines appear on prints

I use this printer maybe a day a week...
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Post Wed Jun 19, 2019 9:39 am

Re: Strange lines appear on prints

So you’re thinking of replacing it?
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Post Wed Jun 19, 2019 10:18 am

Re: Strange lines appear on prints

Kevin Mahoney wrote:So you’re thinking of replacing it?


Maybe...
We´ll see.
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Post Wed Jun 19, 2019 3:51 pm

Re: Strange lines appear on prints

Looks I got it fixed.

The encoder strip was so dirty, that it made the print heads spit all over not in the spitting tank (or what ever the name is).

Still some more testing to do but looks promising...
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Post Wed Jun 19, 2019 4:37 pm

Re: Strange lines appear on prints

No ghostlines anymore!

Still need to adjust the heads, but the main problem is away.

Off to a new topic...
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Post Wed Jun 19, 2019 4:40 pm

Re: Strange lines appear on prints

Dirty encoder strip? That’s unforgivable. Next you’ll be telling us your cartridges were empty
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Post Wed Jun 19, 2019 5:04 pm

Re: Strange lines appear on prints

:sad:

I´m sorry I bothered you.

Well, no one suggested it might be that (not even you, sir) but still I managed to find the problem so I´m happy.


Ps. How often do you clean the strip?

Oh, and when it comes to cartridges, the printer is clever enough to let me know when that happens.
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Post Wed Jun 19, 2019 5:07 pm

Re: Strange lines appear on prints

One more thing, if you allow.

I`m more of an artist than an engineer.....
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Post Wed Jun 19, 2019 5:39 pm

Re: Strange lines appear on prints

Kevin Mahoney wrote:Dirty encoder strip? That’s unforgivable. Next you’ll be telling us your cartridges were empty


Dont worry kevin the rest of us got it :smiles: :smiles: :smiles:
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Post Wed Jun 19, 2019 5:51 pm

Re: Strange lines appear on prints

Martyn Heath wrote:
Kevin Mahoney wrote:Dirty encoder strip? That’s unforgivable. Next you’ll be telling us your cartridges were empty


Dont worry kevin the rest of us got it :smiles: :smiles: :smiles:


:claps: :claps: :claps: :claps: :claps: :claps:

Oh, I´m so sorry. I did not know that all of you were flawless and perfect but still
thank u all 4 your support and Merry Brexit!

It´s nice 2 know that u r so happy to help an outsider in need.
I`ll be happy to pay u back sometime and also hope that I make no such stupid mistakes again.

Hyvää juhannusta kaikille ja nauttikaa mukavasta kesästä niin aion ainakin itse tehdä.
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Post Wed Jun 19, 2019 6:39 pm

Re: Strange lines appear on prints

Marko wrote:One more thing, if you allow.

I`m more of an artist than an engineer.....


Put your handbag down buddy, I was joking
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Post Wed Jun 19, 2019 6:45 pm

Re: Strange lines appear on prints

... I´m NOT gonna say...
...I´m not gonna...








Peace :rollseyes:
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Post Wed Jun 19, 2019 6:47 pm

Re: Strange lines appear on prints

And we’re ALL artists on here don’t ya know...
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Post Wed Jun 19, 2019 6:58 pm

Re: Strange lines appear on prints

:thumbsup:
So stop being an asshole when someone asks for help, ok?
Better say nothing, right?
I´m sick of smart arses who think that they know better, no matter what the subject is.

Net is filled of those guys, no need for more.

If u step on my foot, I´l step twice.
If u r legit, I´ll back u up.
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Post Wed Jun 19, 2019 7:12 pm

Re: Strange lines appear on prints

If you read a few other posts other than just the ones that concern your requests you may possibly understand ‘assholes’ like me.
I don’t recall you saying you weren’t a sign maker so didn’t know you knew very little about the maintenance on your machines. Can I suggest some deep breaths?
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Post Thu Jun 20, 2019 5:16 am

Re: Strange lines appear on prints

Awww Kevin, I see you’re making new friends
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Post Thu Jun 20, 2019 5:51 am

Re: Strange lines appear on prints

Anyone else wanting their day ruined? I’m available for weddings, anniversaries & bar mitzvah’s.
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Post Thu Jun 20, 2019 6:29 am

Re: Strange lines appear on prints

Marko wrote::thumbsup:
So stop being an asshole when someone asks for help, ok?
Better say nothing, right?
I´m sick of smart arses who think that they know better, no matter what the subject is.

Net is filled of those guys, no need for more.

If u step on my foot, I´l step twice.
If u r legit, I´ll back u up.



Marko take a chill pill my friend. We are all here to help if we can but you need a little sense of humour on this forum. Kevin has been nothing but helpful and if people tell you some hard truths which ive had in the past then take it on board. We were also joking about another thread that was running regarding kevin.

If im not mistaken your a finnish guy? Which may explain the lack of sense of humour :lol: . Btw i live in finland.
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Post Thu Jun 20, 2019 1:00 pm

Re: Strange lines appear on prints

Anyone else wanting their day ruined? I’m available for weddings, anniversaries & bar mitzvah’s.

hehehe - umm can you supply advice when to change ink cart...
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Post Thu Jun 20, 2019 1:30 pm

Re: Strange lines appear on prints

Yeah no problem Colin,just after you’ve reduced the printer to component form, worked for me

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