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Discussion, tips, pictures, reviews and peer to peer support for current and future owners of Belquette manufactured machines, including the MOD-1 DTG machine and the Flexi-Jet set series of printers.

[Flexi-Jet] Drops of ink on print head



 
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Old June 6th, 2009 Jun 6, 2009 7:37:44 AM -   #1 (permalink)
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Default Drops of ink on print head

I am seeing inkdrops on my print head it is a brand new 4880 head. Is that normal? I am using Dupont inks. cmyk & white
 
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Old June 6th, 2009 Jun 6, 2009 8:09:04 AM -   #2 (permalink)
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Default Re: Drops of ink on print head

Is it large amounts of residual ink like from the wiper blade or capping station or little tiny drops?
 
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Old June 6th, 2009 Jun 6, 2009 8:40:24 AM -   #3 (permalink)
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Default Re: Drops of ink on print head

Its large drops. On the ramps of the head it has alot of ink on it
 
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Old June 6th, 2009 Jun 6, 2009 9:11:26 AM -   #4 (permalink)
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Default Re: Drops of ink on print head

I would look to see that your "Wiper Blade" is ok and working correctly.
Dan
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Old June 6th, 2009 Jun 6, 2009 9:26:47 AM -   #5 (permalink)
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Default Re: Drops of ink on print head

Don't give it a chance to dry up and accumulate on those ramps either.
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Old June 6th, 2009 Jun 6, 2009 9:33:32 AM -   #6 (permalink)
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Default Re: Drops of ink on print head

When you say to check and see if the wiper blade is working, can you tell me what is supposed to happen.
 
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Old June 6th, 2009 Jun 6, 2009 10:52:30 AM -   #7 (permalink)
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Default Re: Drops of ink on print head

With the right side side cover off and you do a simple clean and the print head moves to the left you can see that the "Wiper Blade" moves to the forward/cleaning position where it wipes the "Print Head", also mke sure that the "Wiper Blade" is clean.
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Old June 6th, 2009 Jun 6, 2009 3:06:16 PM -   #8 (permalink)
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Default Re: Drops of ink on print head

That is working fine. Do you think that it is an airflow problem. I just put in new ink cartridges but I
notice there is alot of air bubbles in the lines.
 
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Old June 6th, 2009 Jun 6, 2009 3:59:06 PM -   #9 (permalink)
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Default Re: Drops of ink on print head

Is this a new printer?
Are you sure that you fully primed it?
Dan
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Old June 8th, 2009 Jun 8, 2009 6:41:08 AM -   #10 (permalink)
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Default Re: Drops of ink on print head

Should I do an intial fill?
 
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Old June 8th, 2009 Jun 8, 2009 7:08:47 AM -   #11 (permalink)
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Default Re: Drops of ink on print head

Quote:
Should I do an intial fill?
Again is this a new printer or was the the first time that you have put ink into the system?
If yes than you need to do the initial fill or a power clean to replenish the ink system and to get the air or voides out of your ink delivery system.
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Old June 8th, 2009 Jun 8, 2009 8:44:54 AM -   #12 (permalink)
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Default Re: Drops of ink on print head

If there are just a few air bubbles in the ink line, you should be fine. If there is an actual void in the line where there is no ink, then you should at most do a Power Cleaning. An initial fill uses much more ink, and you should only have to do it if you have just purged your ink system. Another way is to use a syringe with rubber tubing attached to it to "refresh" the ink in the line:

Depress the Blue Solenoid Lever and center the Printhead Carriage on the Carriage Rails. Unscrew the 3 screws that
fasten the carriage’s “Smokey Grey” Cover.
Make sure that your Ink Levers are “Up”, so you close the valves that feed the ink system. If you do not, the ink in the lines will run back to the Cartridge when the ink line is opened after undoing the White Screw Caps.
Unscrew the Caps. Be sure not to lose the Black “O” Ring that seals the ink tube to the J-Joint. Also, be careful not to kink or fold the ink tube while handling.
Attach the Rubber tubing secured to the syringe on the open end of the ink line.
Once you have a vacuum seal, lower the Ink Levers and slowly, but steadily pull back on the syringe’s depresser. This motion pulls the dormant ink in the lines out and allows fresh ink in from the cartridge.
When the syringe is full, raise the Ink Lever to close the ink valve, then remove the syringe and hose from the ink tube.
Replace the White Caps to the J-Joints with the Black “O” Ring approximately 1/16th of an inch from the end of the ink tube.
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Old June 8th, 2009 Jun 8, 2009 10:11:34 AM -   #13 (permalink)
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Default Re: Drops of ink on print head

OK this is what is happening: I have brand new dampers and a new 4880 head right after a KK3 clean I get a 100% nozzle check then I will print 4 shirts and get black in the blue red in the yellow. When I look at the head there are drops of ink on it. Only if I do a KK2/3 then it prints 4 shirts again then it happens again. Can you help
 
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Old June 8th, 2009 Jun 8, 2009 10:21:32 AM -   #14 (permalink)
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Default Re: Drops of ink on print head

I can. Check your Private Messages.
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Old June 8th, 2009 Jun 8, 2009 11:47:10 AM -   #15 (permalink)
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Default Re: Drops of ink on print head

Do a nozzle print and let us know how it is, if you can post a picture of the nozzle print.
Dan
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