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- Fedar Sublimation Textile Printer
FEDAR FD61916E Sublimation Printer FEDAR FD1924 Sublimation Printer FEDAR FD1912S Sublimation Printer FEDAR FD61915E-A Sublimation Printer FEDAR FD5198E Sublimation Printer FEDAR FD51915E Sublimation Printer FEDAR FD53215E Sublimation Printer FEDAR FD61915E Sublimation Printer FD6198E 8 Heads Printer FD6194E 4 Heads Printer FD5194E 4 Heads Printer FD5328E 3.2m Printer FD5193E 3 Heads Printer Fedar TC Series Sublimation Printer(3heads,4heads,6heads)(Stop) FD5268E 2.6m Printer FD5223E 2.2m Printer (Stop) FD1900 2 Heads Printer AL193 3 Heads Printer (Stop) TC1932 2 Heads Printer (Stop)
- Fedar Direct To Film
FD1808 DTF Printer FDA3 Pro DTF Printer A3 DTF Printer FDA3 DTF Printer FD70-5 DTF Printer FD70-3 DTF Printer (Stop) FD30 DTF Printer (Stop) FD60 DTF Printer FD70-4 DTF Printer FD65-2 DTF Printer (Stop) FD70-2 DTF Printer (Stop) TR 4180 (Stop) FD 680 DTG (Stop) FD1828 Belt cotton printer (Stop)
- Fedar Sublimation Textile Printer
White Ink Pump vs. White Ink Circulation: A Critical Distinction for Quality DTF Printing
2025-12-05The White Ink Pump: The Primary Delivery Engine
The White Ink Pump is the core component responsible for the active delivery and pressure management of white ink from the main ink tank or reservoir to the printhead.
Primary Function: It acts as the "heart" of the white ink system, creating the necessary pressure to push the dense, pigment-laden white ink through the ink lines and into the printhead's manifold. This ensures the printhead receives a consistent supply of ink for printing.
Key Role: Its most crucial role is maintaining stable ink pressure. Fluctuating pressure can lead to inconsistent ink drop volume, causing banding, light/dark streaks, or uneven coverage in solid white areas. A high-quality pump in a Fedar DTF printer provides the steady, pulseless flow required for professional results.
Operational Characteristic: It typically operates in a demand-based cycle, activated by the printer's software to replenish the printhead as needed during printing and maintenance routines.

The White Ink Circulation System: The Essential Stability Manager
The White Ink Circulation System is designed for ink homogenization and stability maintenance. It addresses the natural tendency of heavy white pigment particles to settle or separate from the liquid carrier (vehicle).
Primary Function: It acts as a "stirring" system, constantly agitating the white ink in a dedicated loop or reservoir. This prevents pigment sedimentation at the bottom of the tank and separation in the lines, which are primary causes of printhead clogs and inconsistent color strength.
Key Role: Its purpose is homogeneity. By keeping the ink uniformly mixed, it guarantees that the ink delivered to the pump and subsequently to the printhead has a consistent pigment concentration from the first print of the day to the last.
Operational Characteristic: It often runs continuously or at frequent regular intervals, even when the printer is idle, to ensure the ink is always ready for production. This system may involve a separate agitator, a recirculating pump, or a dedicated loop back to the main tank.
Synergy in Your Fedar DTF Printer
In a well-engineered Fedar DTF printer, these systems are not alternatives but complementary partners:
The Circulation System ensures the white ink in the supply chain is perfectly mixed and stable.
The Pump then draws this homogenized ink and delivers it at precise pressure to the printhead.
Without effective circulation, even the best pump will deliver inconsistent ink, leading to clogs and poor print quality. Without a reliable pump, proper ink circulation to the printhead cannot occur. Fedar's integration of both systems is designed to provide the operational reliability necessary for professional DTF production, minimizing maintenance issues and maximizing print consistency.





