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Digital BW, The Print

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Re: [Digital BW] Re: damper replacemnet 7000 ?

2004-10-25 by Ernst Dinkla

sdmey4@... wrote:

> In a message dated 10/24/2004 4:48:49 PM Pacific Daylight Time, 
> deanwork2003@... writes:
> 
> 
>>-Make sure those ink lines on the far right side, that go down into the 
>>overflow pads are in 
>>the correct position and not blocking the home position of the head. You 
>>could have 
>>knocked them out of the socket they sit in. This happened to me when I 
>>reached back in 
>>there and cleaned around the heads.
>>
> 
> I did finally find some mal aligment and got the gears to engage, Yes you can 
> power it up without the right side cover on. Anyway the service error 
> 0001000c Went away.
> Now I have two dampers that will not fill, even after an init fill and kk2's.
> I left the cover off the head and damper assembley so I can see whats going 
> on. No ink in two of the dampers.
> Steve M.

You can use a syringe on the dampers to pull ink in the dampers 
too but that doesn't fill the heads + the waste ink pumps.
Normally that wouldn't be a problem if the pumps are new and the 
head capping adjustment is done, the pumps + heads will pull in 
the ink without problems. If you changed the capping station but 
didn't do the head capping adjustment you will not pull the ink 
through with a cleaning or air stays in the damper etc.

There must be a description of a waste bottle addition to 7000's 
etc on the wide format lists archive. I've done that within two 
months after I got a 9000 5 years ago.  When the heads are on the 
capping station you can apply a vacuum on the waste bottle tubes 
and pull the inks through. There's some mixing of inks at the 
head as a result but printing a CcMmYK waste area will get them 
back to normal.

A nice trick to empty ink lines is to place the head carriage in 
the middle of the printer and insert a special cart in the cart 
slot that has a tube to the seal (bag removed) which is connected 
to a wine bottle where you have a vacuum pump on (or one of those 
special wine bottle caps where vacuum can be applied to preserve 
the wine). The ink in that line is completely removed especially 
when you let it suck for 10 minutes and move the head carriage a 
bit to change the ink tubes bending. Air gets in at the head 
nozzle of that line.  Don't do that when the head is at the 
capping position as it will suck all the other inks through the 
line you want to empty !!!!
The cart's tabs have to be cut to use the same one for all color 
slots.

Ernst

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