does this work with hp officejet pro 8620 (used all the time, but started having color streaks)?

I don't know about the 8620 but it worked great on my L7650. Getting all of the ink clened out of the funnel when you are finished charging the print head is a problem unless you use a needle on the syringe to back flush the deep columns in the funnel. Good luck. Gene

does this work with hp officejet pro 8610 with streaks and black not showing at all?

I'm no familiar with the 8610 but if the adapter fits the head, it should work OK. Be sure to wear rubber gloves as the process can be a bit messy. The deep wells on the funnel are pesky to clean completely when you are finished.

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Printer Printhead Cleaning kit Nozzle Cleaner Unclog Maintenance Box Repair Tool for HP 940 941 792 789 771 706 88 89 91 73 72 70 38 18 Designjet D5800 L25500 L26100 L26500 L28500

Printer Printhead Cleaning kit Nozzle Cleaner Unclog Maintenance Box Repair Tool for HP 940 941 792 789 771 706 88 89 91 73 72 70 38 18 Designjet D5800 L25500 L26100 L26500 L28500

Product ID: 56508826

Details

Brand
Colul
Cartridge Type
Compatible
Compatibility Options
Compatible
Compatible Devices
Printer
Ink Base
Water
Manufacturer
Colul

💨Air & impurity pump-out tech

🧰Multi-model HP compatibility

🖌️Selective single-color cleaning

Description

🖨️ Keep your prints flawless—because your work deserves nothing less!

COMPLETE MAINTENANCE KIT - Includes snap-on cleaning tool, ink funnel, vacuum syringe, and gloves—everything a pro needs for hassle-free printhead care.
SELECTIVE COLOR CLEANING - Second-gen upgrade lets you target and clean individual colors, saving time and ink compared to all-color cleaning kits.
EXTEND PRINTHEAD LIFESPAN - Regular use prevents costly replacements by maintaining optimal ink flow and nozzle performance, keeping your prints sharp and vibrant.
BROAD HP MODEL COMPATIBILITY - Supports over 20 HP printhead models including Designjet & Officejet Pro series—one tool for all your maintenance needs.
PRECISION AIR IMPURITY EXTRACTION - Eliminates vertical/horizontal banding by pumping out trapped air and microscopic blockages for flawless prints.

This advanced printhead cleaning kit is designed for a wide range of HP printers, featuring a second-generation tool that pumps out air and impurities causing print defects. It enables selective color cleaning and comes with all essential accessories for professional-grade maintenance, helping extend printhead life and restore print quality without costly replacements.

Specifications

ASIN	B06Y4SZDHZ
Best Sellers Rank	#195,689 in Office Products ( See Top 100 in Office Products ) #6,539 in Inkjet Printer Ink Cartridges
Brand	Colul
Built-In Media	1PCS-Snap on Print Head Cleaning & Refilling Tool, 1PCS-Ink Supply Funnel, 1PCS-10 ML Vacuum Syringe, 1 Pairs of rubber gloves
Cartridge Type	Compatible
Compatibility Options	Compatible
Compatible Devices	Printer
Customer Reviews	4.0 4.0 out of 5 stars (46)
Ink Base	Water
Manufacturer	Colul
Mfr Part Number	H3XM006
Model Series	HP Printer Series
Number of Items	4
Other Special Features of the Product	Refillable
Printer Model Compatibility	HP Designjet Z6100, HP Designjet Z6200, HP Officejet Pro 8000, HP Officejet Pro 8500A, HP Officejet Pro K5300, HP Officejet Pro L7680
Printer Output Type	multiple colors
Printer Type	Inkjet
Specific Uses For Product	Printer maintenance and troubleshooting
UPC	755170756140
Unit Count	1 Count
Warranty Type	No Warranty

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