DTF White Ink Circulation: Why It Matters and What Parts Are Involved

White DTF ink contains titanium dioxide, a heavy pigment that settles out of suspension when the ink sits still. Settled white ink causes weak white layers, clogged dampers and blocked nozzles. That's why most DTF printers stir and recirculate the white channel.

The parts in a circulation system

• Stirring motor and paddles. These keep ink in the white tank moving. We list a 24V white-ink stirring motor with a 6" paddle.
• Peristaltic pump. This moves white ink around the loop. Our listing is a 24V 6.5W pump for white circulation in i3200/Epson DTF printers.
• White ink sub tank / splitter. This distributes circulating ink to the head lines. Inkjet Parts sells 5-port and 6-port versions, so match the port count to your printer.
• Dampers. These sit just before the head and smooth out ink pressure. An i3200 head typically uses four (imperialdtf.com).

Symptoms of a circulation problem

• White prints come out thin or patchy at the start of the day.
• The pump is silent or the paddle is not turning.
• The white lines show sediment or air gaps.
• White-channel dampers clog repeatedly.

Good habits (general practice)

• Shake white ink cartridges or bottles before refilling.
• Leave circulation on, or run it on a timer, when the printer is idle.
• Inspect pump tubing regularly. Peristaltic tubing wears out and is a common failure point.
• Replace white dampers more often than color dampers.

Related products

• DTF White Ink Stirring Motor 24V with 6" Paddle
• 24V / 6.5W Peristaltic Pump for White Circulation
• White Ink Sub Tank, 6 Port
• White Ink Sub Tank, 5 Port
• 5 Epson i3200 Dampers Set for DTF