Created on 10.21
Inspection Guide for Refilled TIJ Handheld / High Resolution Inkjet Cartridges
5 Visual Checks：
1. Check housing and sealing film
The sealing film on the nozzle of a brand-new cartridge is flat and heat-sealed by the manufacturer, with no signs of peeling and re-sticking. Refilled cartridges often have bubbled, curled sealing film with adhesive marks. Check for drilled holes, patched holes or covered stickers on the cartridge body. Refurbishers drill holes on the top for refilling and cover the holes with labels.
2. Check chip contacts (Key step)
Metal contacts on the chip of a new cartridge are clean and bright, free of indentations, ink stains and scratches. Refilled cartridges (recycled used units) have dark friction marks or burn marks on chip contacts from repeated installation. Fine abrasion traces remain even after wiping.
3. Check nozzle surface
The nozzle array of a new cartridge is clean without residual ink or dried ink clumps. Refurbished nozzles tend to trap dried ink and turn black easily with gentle wiping.
4. Test on machine for verification
• Cartridges with encrypted chips: The chip tracks ink volume and locks after ink runs out. The machine will show low ink alert and stop printing even if ink is refilled. The ink counter cannot be reset.
• Cartridges without encrypted chips: Printing works after refilling, yet common defects include broken dots, ink splashing, leakage, rapid nozzle clogging, unstable barcode reading, fast ink evaporation and short shelf life.
5. Verify packaging
Genuine cartridges come in individual vacuum bags with one-time seals. Refurbished cartridge bags are re-sealed with rough sealing edges.
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+8613665577150 /
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