Digital BW, The Print

The only way to tell what and where  the problem is to

Remove the print head

Check the gasket on the ink dampers

Gently syringe some cleaning fluid through the magenta nozzle if it is
clogged you will not get fluid through. If it is delaminated you will get
fluid around bottom of head or up another nozzle. if fluid goes through then
you have electrical problem

In my experience with the 4000

The heads can delaminate

Electrically stop firing

Have air leak where the damper connects with the head  

I've seen this happen a lot with magenta and black nozzles

Hope this helps

Joe cettina

Laguna service 

 

From: DigitalBlackandWhiteThePrint@yahoogroups.com
[mailto:DigitalBlackandWhiteThePrint@yahoogroups.com] On Behalf Of Paul
Sent: Monday, January 02, 2012 11:20 AM
To: DigitalBlackandWhiteThePrint@yahoogroups.com
Subject: [Digital BW] Re: Epson 4000 -- Magenta cartridge not firing

 

  

What is it with the 4000? It's the only relatively recent Epson printer that
has had a reputation for clogging.

As to magenta, they (well at least Epson and MIS) sink like rocks in my
tests. My hypothesis is that the magenta is weak by nature and they make the
particles larger to offset that weakness.

Paul
www.PaulRoark.com 





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