Thanks for the additional information. I have responded in red.
Based on the information you provided, and age of your carts/ink, I feel you are likely dealing with particle build up in the magenta damper, which is restricting ink flow of that channel. Magenta and yellow pigment inks are always the thickest colors due to the natural pigments used (this is true with all brands of pigment ink, including Epson), therefore pigment settles faster, and effects of settled pigment collecting in the dampers will typically be noticeable in these positions before other colors. Dampers should be replaced every 1-3 years, depending on use, and when dampers are clogged and restricting ink flow, they must be replaced (dampers can’t be cleaned). Even if you’re only having trouble with one channel, and others are working well at the moment, the whole set of dampers should be replaced at the same time.
[QUOTE=apicus;4346]hi, thanks for a rapid reply!
Have you done any cleaning cycles from the printer’s control panel, or just manual cleaning from our maintenance page?
Always the printer´s control panel, now maybe 5 in a row
OK, if you’re not seeing a change/improvement after 3-4 cleaning cycles in a row, there’s no need to do more, and excessive cleaning cycles in a row can strain your print head, or even cause the head to burn out.
How often do you use your printer vs. how long does it sit unused?
Often unused but agitate and try to print every now&then, has always worked after 1-2 cleaning cycles
Letting a printer sit unused for long periods of time, especially with pigment inks installed, will cause settled pigment in the carts, ink lines and dampers, leading to issues such as change of output color and/or density, pigment build up in dampers, and clogging or mis-firing nozzles.
What is the humidity and temperature in your printing environment?
Today very, very humid because of extensive rain. Apart from that no idea…
Maintaining proper humidity levels in the print environment is very important for the best results with your printer, ink and paper (this isn’t just our rule, but stated in your printer manual, and user information for inks and papers).
How often have you been agitating the ink cartridges?
Unable to tell
The combination of infrequent use of the printer, and infrequent or no shaking of ink cartridges will certainly lead to settled pigment in both carts and the printer’s internal ink system.
Have you always shaken ink bottles before filling/refilling cartridges?
Yes
When did the VM stop printing?
When i turned it on 3 days ago and performed cleaning after test showed gaps
How long had the printer been sitting unused prior to turning it on a few days ago? Was VM printing prior to the printer sitting unused this last time?
Are any VM nozzles printing, or is the entire channel completely blank?
Totally blank
Did the VM nozzles gradually drop out, or stop suddenly?
Do not know really, maybe became worse, all other better
Was VM fully printing prior to letting your printer sit unused recently, then totally blank when you turned the printer back on?
What happened before the VM stopped- had the printer sat unused for a while, had you been doing a lot of printing, had the cartridge run totally dry, had the cartridge been refilled with ink?
Unused, never dry cartridges!
When was this cartridge last refilled with ink?
Today
When it was refilled, what was the remaining ink level in both the main body and exit chamber?
No
What was the remaining ink level in the VM cartridge and circle exit chamber prior to refilling the cart today?
Did you refill the cartridge using the injection or vacuum method?
Vacuum has never really worked for me
Please check your cartridges, especially the VM that you’re having issues with: The exit chamber must be at least 1/2 filled with ink, and air vent hole must be open for proper ink flow.
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