laci Posted October 3, 2023 Share Posted October 3, 2023 Yesterday we print all day with our epson 4900 , end of the day i do a nozzlecheck i see i missing like 6 lines from VM channel, i run a power clean, and was more terrible , today i started with normal cleaning cycle, and i see on vivid magenta i dont have any lines.. i know 100% its not clogged , where can i look for problem? dampers ? because another nozzles are 100% perfect Quote Link to comment Share on other sites More sharing options...
johnson4 Posted October 3, 2023 Share Posted October 3, 2023 2 hours ago, laci said: Yesterday we print all day with our epson 4900 , end of the day i do a nozzlecheck i see i missing like 6 lines from VM channel, i run a power clean, and was more terrible , today i started with normal cleaning cycle, and i see on vivid magenta i dont have any lines.. i know 100% its not clogged , where can i look for problem? dampers ? because another nozzles are 100% perfect Sounds like a damper/cartridge/sealing issue. If you haven't recently messed with the dampers and use the cartridges, probably gunk on the ink port preventing it from sealing correctly, or got sucked into it. If you didn't use new dampers before the conversion, very well could be the damper. Quote Link to comment Share on other sites More sharing options...
laci Posted October 3, 2023 Author Share Posted October 3, 2023 i didn't changed the dampers on conversion ,thats why i think will be a damper issue , or maybe cart how you say , thank you again , you helped me a lot again :D Quote Link to comment Share on other sites More sharing options...
laci Posted October 3, 2023 Author Share Posted October 3, 2023 5 hours ago, johnson4 said: Sounds like a damper/cartridge/sealing issue. If you haven't recently messed with the dampers and use the cartridges, probably gunk on the ink port preventing it from sealing correctly, or got sucked into it. If you didn't use new dampers before the conversion, very well could be the damper. i can find on market only dampers? or i need the whole damper assy unit? and where can i find ? thanks Quote Link to comment Share on other sites More sharing options...
laci Posted October 7, 2023 Author Share Posted October 7, 2023 On 10/3/2023 at 2:06 PM, johnson4 said: Sounds like a damper/cartridge/sealing issue. If you haven't recently messed with the dampers and use the cartridges, probably gunk on the ink port preventing it from sealing correctly, or got sucked into it. If you didn't use new dampers before the conversion, very well could be the damper. Again me... now sometimes i got an error 1433 when i do cleaning ( is unit sensor error or is unit error ) but not all the times, so now i dont know my problem will be the dampers or the ink pump assy Quote Link to comment Share on other sites More sharing options...
johnson4 Posted October 7, 2023 Share Posted October 7, 2023 (edited) 46 minutes ago, laci said: Again me... now sometimes i got an error 1433 when i do cleaning ( is unit sensor error or is unit error ) but not all the times, so now i dont know my problem will be the dampers or the ink pump assy Running too many cleanings back to back will wear out the pump station. I have to replace mine about every 6 months or so. This is a symptom of that. again though, is also a very old machine so all Of these things will creep up on you. Edited October 7, 2023 by johnson4 Quote Link to comment Share on other sites More sharing options...
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