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The CIJ printhead is the core of any continuous inkjet coding machine. A dirty or clogged printhead causes poor print quality, faded codes, and costly downtime.
Regular cleaning is essential for:
1. Maintaining clear, readable codes
2. Preventing nozzle blockage
3. Extending printhead and machine life
4. Reducing ink waste and maintenance costs
Cleaning is quick and simple when done correctly — usually in under 15 minutes.
Before starting, prepare these items:
1. Lint-free cloth — avoid fibers that could block the nozzle
2. Approved cleaning solution — use the one recommended for your machine brand
3. Clean gloves — prevent contamination
4. Soft brush — optional, for stubborn residue
5. Safety goggles — for protection during cleaning
Always use the correct cleaning solution for your printhead model.
Always power off the CIJ printer before cleaning. This prevents ink from being forced through the system during maintenance.
Open the machine cover and locate the printhead. Handle it carefully to avoid damage.
Use a lint-free cloth to gently wipe away any excess ink from the nozzle area. Avoid pressing too hard.
Dampen a clean cloth with the approved cleaning solution. Gently wipe the nozzle and surrounding area.
For stubborn clogs, let the solution sit for a few seconds before wiping.
Power the machine back on and run the automatic nozzle cleaning cycle. This flushes the system and removes any remaining residue.
Run a test print to check the print quality. If codes are still unclear, repeat the cleaning or check for other issues.
1. Using the wrong cleaning solution — can damage the printhead
2. Pressing too hard — can damage the nozzle
3. Cleaning while the machine is on — risk of ink leak or injury
4. Using rough materials — can scratch the printhead surface
Avoid these to keep your printhead in good condition.
Clean the printhead:
1. When print quality declines or codes look faded
2. After long periods of machine inactivity
3. When switching to a different ink
4. As part of a regular maintenance schedule (weekly or monthly)
Regular cleaning prevents most common CIJ problems.
To keep your coding machine running reliably:
1. Use high-quality compatible ink and cleaning solution
2. Follow the manufacturer's cleaning schedule
3. Keep the work area clean and dust-free
4. Store spare parts properly
5. Monitor print quality regularly
Consistent maintenance extends machine life and reduces downtime.
Keeping your CIJ printhead clean is key to reliable coding. We supply compatible CIJ inks, cleaning solutions, and replacement parts for Domino, VJ, Markem-Imaje, Lx, and other leading brands.
Feel free to contact us for a catalog, compatibility chart, and price list. Contact Kingsfang or email us anytime!
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