Understanding the Core Problem
To effectively prevent DTF white ink from settling in the cartridge, you first need to understand its unique characteristics—and then build a daily maintenance routine around them.
White ink (water based pigment ink) is primarily composed of titanium dioxide, a pigment with a relatively high density. Because of this, the ink begins to separate and form particle layers within just 30 minutes of sitting still. This sedimentation is the leading cause of:
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Faded or grayish prints (loss of opacity)
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Clogged nozzles
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Permanent printhead damage (which can be costly to replace)
Once you understand this, you realize that keeping the ink moving is not optional—it's essential.
The First Line of Defense: Daily Manual Maintenance
Even if you have an automated system, manual habits form the foundation of prevention.
1. "Shake It" Before Every Use
Whether you're using a fresh bottle of white ink or white ink cartridge on the printer that has been sitting overnight, always shake it thoroughly before use.
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For ink bottles: Shake vigorously up and down for about 20 times before opening. If the ink has been stored for more than three months, double the shaking time to ensure the separated components are fully remixed.
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For cartridges: Remove the cartridge and use a glass stirring rod to manually mix the ink inside. This helps redistribute the pigments evenly throughout the cartridge.
2. "Activate" It Every Day
Even if you have no printing jobs scheduled, make it a habit to:
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Turn on the printer daily
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Run a printhead cleaning cycle or print a small test pattern
This simple action keeps the ink flowing through the entire ink delivery system and prevents pigment particles from settling and hardening inside the nozzles during prolonged stillness.
Pro Tip for M1630 Pro Users: If you know you won't be using the printer for more than three days, activate Holiday Mode and empty the waste ink tank to prevent clogs and maintain system health.
3. Create the Right Environment
Ink is highly sensitive to both temperature and humidity. For optimal performance:
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Temperature: Keep your workspace between 20–25°C (68–77°F)
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Humidity: Maintain levels between 40%–60%
If the environment is too dry, ink will dry out at the nozzle openings. If it's too humid, print quality and drying times can be negatively affected.
A Special Note for M1630 Pro Users
If you are using our M1630 Pro printer, it comes equipped with built-in white ink stirring and circulation functions. These automated features significantly reduce the manual maintenance burden and help keep the ink evenly suspended with less effort on your part.
That said, even with automation, it's still wise to follow the daily activation and environmental control steps above for the best long-term results.
Don't Forget the Filtration System
Ink sediment doesn't just stay in the cartridge—it travels through the entire ink path. One of the most critical components to monitor is the damper, which acts as the final filter just before the ink reaches the printhead.
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Why it matters: Micro-particles and sediment tend to accumulate in the damper over time, restricting flow and reducing print quality.
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Recommended practice: Replace the white ink damper every 2–3 months. This is a low-cost, high-return investment that protects your expensive printhead from premature failure.
Summary
If your daily printing volume is low, the core essentials are:
Shake before use + Activate daily with a test print + Control your environment
These three habits alone will dramatically reduce sedimentation issues and extend the life of your ink and printhead. And if you're using the M1630 Pro, the built-in stirring and circulation systems will handle the heavy lifting—but remember, even the best automation works best when supported by good user habits.
