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  1. Roland SP540V Does Not Print Black Or Cyan - HELP!

    This turned out to be the case. Checked the fuse again and everything works! Prints like a new machine! The fuse can check good and not be soldered to the board properly. Thank you for all the advise!

  3. Roland SP540V Does Not Print Black Or Cyan - HELP!

    Just swapped printhead cables and the black and cyan head is good. Perfect.

  4. Roland SP540V Does Not Print Black Or Cyan - HELP!

    Thank you all for your time and the valuable advise! I am still with no black. I have rechecked and re-soldered the fuse.

  5. Roland SP540V Does Not Print Black Or Cyan - HELP!

    Steps completed to repair printer: Replaced fuse (everything is good), replace damper, cap, printhead cables and finally the printhead. Still no black or cyan. I checked the larger transistors and all are good. Has anyone any suggestions at this point?

  6. Question Roland SP540V No Black or Cyan

    Update on the Roland SP540v: Replaced fuse (everything is good), replace damper, cap, printhead cables and finally the printhead. Still no black or cyan. I checked the larger transistors and all are good. Has anyone any suggestions at this point?

  7. Question Roland SP540V No Black or Cyan

    Thanks for the valuable information. Checked everything and all was good. I will try a new printhead and hope it works, if not I will post a boat anchor in the For Sale section.

  8. Question Roland SP540V No Black or Cyan

    Any idea where the C4131 and A1745 transistors are located on the board?

  9. Question Roland SP540V No Black or Cyan

    The problem started with the black going out. Cyan, Magenta and Yellow printed perfectly. I replaced the caps and the damper. still no black. I primed the damper and checked the seal on the caps, all good. Then I swapped the ribbon cables and the fuse blew. Replaced the fuse and now no black or...
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