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How to Refill a VJ Ink Cartridge
A Step-by-Step Guide for CIJ Users — Save Money Safely Without Sacrificing Print Quality
⚠️ Important Safety & Legal Notes First
Warranty risk Refilling a genuine VJ cartridge typically voids the warranty on the cartridge and may affect your printer service contract. Check your terms before proceeding.
Flammable & hazardous CIJ ink and make-up fluid contain solvents that are flammable and hazardous. Work in a well-ventilated area, away from open flames and ignition sources.
Protection required Wear nitrile gloves and safety goggles. Avoid skin contact and inhalation of fumes.
Compatibility & don't mix fluids Use only inks/make-up specified for your exact VJ model (e.g., 151SB, 1620, 1880, TTO systems). Mixing incompatible fluids can clog printheads or cause print-quality failure. Make-up fluid is not ink — do not mix them up.
🛠️ What You'll Need
| Item | Purpose |
|---|---|
| Genuine or compatible refill ink for your model | Replace consumed ink |
| Make-up fluid (if topping up) | Maintain viscosity / ink concentration |
| Clean syringe (Luer-lock needle, 0.45 µm filter recommended) | Transfer fluid |
| Clean, lint-free wipes | Wipe ports and spills |
| Nitrile gloves & safety goggles | Personal protection |
| Sealed, airtight container | Temporary storage |
📋 Step-by-Step Refill Procedure
- Prepare the work area — Power off the printer and wait for it to fully shut down. Place the cartridge on a clean, stable, level surface. Put on gloves and goggles. Lay down absorbent paper in case of spills.
- Identify the fill port — Locate the fill/inlet port on the cartridge (usually marked on the top or side). Note: the refill port may differ from the connector that attaches to the printer. Do not pour ink through the printer-side connector.
- Check current ink level — If your cartridge has a sight glass or level marker, note how much ink remains. Only refill to the recommended level — overfilling can cause ink to leak into the printhead lines.
- Draw ink into the syringe — Fill a clean syringe with the correct amount of fresh ink. Use an in-line 0.45 µm filter to remove particulates that can clog the nozzle. Avoid drawing air bubbles into the syringe.
- Inject ink slowly — Insert the needle into the fill port at a slight angle to avoid damaging internal seals. Inject slowly and steadily to prevent foaming or overflow. Do not overfill — leave headspace as recommended (typically fill to ~80–90% of capacity).
- Seal and clean — Remove the syringe and immediately reseal the fill port. Wipe away any drips with a lint-free wipe. Check for leaks by gently tilting the cartridge.
- Reinstall and prime — Reinstall the cartridge. Run a printhead purge/flush cycle (or the printer's startup priming routine). Perform a test print to verify jetting quality and check for missing or misdirected drops.
🔧 Troubleshooting Common Issues
| Problem | Likely Cause | Fix |
|---|---|---|
| Poor print quality / missing nozzles | Air bubbles or contaminants in ink | Run purge cycle; verify filter used |
| Ink leaks around port | Overfilled or damaged seal | Drain excess; replace seal |
| Printer reports low ink despite refill | Level sensor not recalibrated | Run sensor reset/recalibration routine |
| Clogged printhead | Wrong or incompatible ink | Flush with approved cleaner |
✅ Final Recommendations
- Refill while ink is still flowing (i.e., before the cartridge is bone-dry) to reduce air intrusion and purging issues.
- Keep a log of refill dates and volumes — useful for maintenance and troubleshooting.
- If your volume justifies it, consider VJ's genuine bulk-fill / eco-solvent options rather than manual refills — they are safer and more consistent.
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