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Still pretty decent print (photo) but no change in test pattern.. by magnification lines are visible in black parts so.. clogged :(

HI Jim. So far no change.. It seems like the missing nozzles are allways the same. Will do couple more "contact soaks"+cleanings. After while will post results.. Thanks again.

Hi Jim, on my old printhead (witch was replaced 2 years ago) i did head soak but after that i got cross contamination. Is there any 'right' way to do the soak? As far as i understand pinching/blocking the tube between cap and pump can cause some pressure issues and colors can 'jump' to a false...

I pulled black ink thru damper with syringe easily - no resistance. Medium cleaning then test print, some black was there, again 2-3 ordinary cleanings and couple of test prints. Then i went to service mode again printed couple of fill patterns - mostly black and then paused/cancel it, to see if...

after i printed fills i opened the panel cover again and discovered black line/tube is empty for the last 10-15cm. changed black cartridge and after 2 normal cleans seems black color in line is not advancing.. how do you think i should i proceed? try printing black from service mode again or...

i got into the service menu after some tries :) i printed the fill pattern - no black at all (attached photo). i don't understand exactly what did you mean with but all other colors seem like not dried well/ still sticky after some 5mins Big thanks for helping me and if you have any other...

it is still liquid i made "shake test" ;) if ink had coagulated in tube, there would be no flow to the new instaled damper probably? will replace cartridge anyway... to be sure..

thanks, there is black ink in the cartridge i checked that first. Also black ink line/tube and damper are looking normal. I suspected black was made out of other colors but here i tried to explicitly print black only, test rectangle made in flexi sign and by print setting "color managed by...

Hi All, My old and reliable Roland has developed issues with black color. On the test print black is almost not visible, but if i print rectangle 100%K printer somehow manages to print decent good black. Please see attached photos. Other relevant facts: my print volume is very low but i print...