Discussion, tips, pictures, reviews and peer to peer support for current and future owners of Belquette manufactured machines, including the MOD-1 DTG machine and the Flexi-Jet set series of printers.
My yellow stooped printing in December AA had me change a damper, then a head and last a capping station and still the yellow is not printing with a nozzle check all other colours are printing perfect can anyone help me.
I would look at the Cartridge possibly needing cleaning as well as the ink pick up plunger that goes into the cartridge, sounds like you have starvation.
Dan
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One thing I found when one color was not working was a kink in the ink line right near the print head. A piece of tape was enough to hold the line straight and relieve the kink, which apparently was causing starvation. Occasionally someone has a line with a tiny crack in it that causes the same problem.
Try loosening the cap on top of your yellow bulk ink cartridge. Your system requires air to be able to get into the cartridge to permit ink flow to the print head. It is a similar principle to putting a straw into a glass of water. Put your finger over the straw and lift it and the water stays in the straw. Take off your finger and the water goes out. Sometimes the breather hole for the cartridge gets clogged. The breather hole, depending on your bulk ink cartridge style, can be in your cap itself or a separate hole on the cartridge body. To see if this is the cause take the cap off and just put it loosely back on the cartridge. If you start getting ink flow then you found the problem.
Another way of checking for ink flow from the cartridge to the print head is disconnect the yellow damper from the print head, stick a syringe into the damper bottom, and pull out. The ink should pull freely into the syringe. If you feel resistance then remove the damper from the ink line. Stick the syringe into the ink line and pull out. If the ink pulls easily then you have a damper problem. If it doesn't then your problem is the ink line or breather.
My yellow is not printing 
