Bob
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  • Liverpool
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Bn20 no cyan printing

Started this discussion. Last reply by Bob Mar 16. 19 Replies

Hi all any help will be appreciatedI've had my bn20 from brand new for around 16 months all works perfect apart from issues with white, I have to do a few cleans and the white comes through and all's…Continue

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Bob replied to Bob's discussion Bn20 no cyan printing
"Thanks bud"
Mar 16
irving donaldson replied to Bob's discussion Bn20 no cyan printing
"Great to hear, a bad cap does not target one channel, but it not seating correctly can cause it not to get the proper suction. Glad you are back up, Happy CAMMing!"
Mar 15
Bob replied to Bob's discussion Bn20 no cyan printing
"Thanks for the advice Soon as I put the new cap station on it all worked and even the white has come back. Massive load off my mind So there is no need to flush after all One thing to mention the copy cap station had caused the problem as it never…"
Mar 14
irving donaldson replied to Bob's discussion Bn20 no cyan printing
"That is the first step, the visual looking to see ink going into the dampers Next, use a syringe from the pharmacy and pull from under the top until you get movement in all the lines If neither of those work, then you have to think a failed damper"
Mar 14
Bob replied to Bob's discussion Bn20 no cyan printing
"So my summery is that the original cap top was 16 months old and clogged too much to draw the white but ok for the other CMYK. The copy cap top caused the blockage and putting the old cap top back on was not good enough to pull the blockage…"
Mar 14
Bob replied to Bob's discussion Bn20 no cyan printing
"Wow she's back . I've changed the cap top and boom the cyan is flowing and to top it off the white has returned . Thanks for all your help I am one happy guy right now"
Mar 14
Bob replied to Bob's discussion Bn20 no cyan printing
"Thanks irving. How do I check for air in the lines ? Visually the lines look full and no air bubbles."
Mar 14
irving donaldson replied to Bob's discussion Bn20 no cyan printing
"Go through the procedure, but it will not help. The reason why I say that is that it is a uni captop and it cannot affect one channel totally. If top was failing, it would be across multiple channels (columns). The flushing might help move the air,…"
Mar 14
Bob replied to Bob's discussion Bn20 no cyan printing
"Thanks for the reply irving I was told to flush it through the roland utility like the way you put in the dummy cartridges and flush each one as it won't let you do just the one I have a gut feeling it is blocked above the head poss the dampers…"
Mar 14
irving donaldson replied to Bob's discussion Bn20 no cyan printing
"So how were you told to flush it? U cannot properly use the machine with the channel missing, for if it needed it and it is not there you will have banding. With that said, if a complete channel is missing, you first check for air - larger machines…"
Mar 13
Bob replied to Bob's discussion Bn20 no cyan printing
"If there is air in the line do you think flushing out the line will draw it out? 8 have delivery tomorrow for the flushing foams and fluid"
Mar 13
Bob replied to Bob's discussion Bn20 no cyan printing
"Thanks Irvine are you say I can use just one channel of cyan? I'm brand new to faults sorry since I have been at it it's been head down designing and keeping the machine clean"
Mar 13
irving donaldson replied to Bob's discussion Bn20 no cyan printing
"Well I could not disagree more, maybe I could. You have perfect nozzles in all but one channel and they say flush the whole system. With the BN20 you have a user level flush that you do not have with the larger machines, so that a good thing because…"
Mar 13
Bob replied to Bob's discussion Bn20 no cyan printing
Mar 13
Bob replied to Bob's discussion Bn20 no cyan printing
"I have been advised by my supplier who has spoken to roland that I should flush out all the ink I have ordered the blanks and cleaning cartridge . If that does not work it's possible the dampers or the print head. I just can't understand…"
Mar 13
irving donaldson replied to Bob's discussion Bn20 no cyan printing
"Excellent - so check your hoses. If you have a blockage (usually T connector) it will blow a hose off and leak ink into the machine. Also good to check the connector as magenta is a known clogger in certain environments. At times you have to snip…"
Mar 13

Profile Information

Hometown: Please include City & State
Liverpool
Core Business
Graphic Designer
Your Position
Owner
Type of Printer/Cutter if owned:
Roland bn20

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