Do you wait 1 hour or 10 to 12 hours? Instructions say 1 hour and the reviews say 10 to 12 hours. My first attempt, waiting 1 hour, it resulted in no

I didn't wait very long at all and it worked for me.

Once I connect the tube the printer head, it is basically sealed, no fluid can possibly pass through, what am I missing?

The fluid should dissolve the clog as you slowly force it through the head with the syringe. It worked for me. If it's not working, your clog may be too solid. Try letting it sit for a while.

ASIN	B07M6PB86J
Best Sellers Rank	#225,537 in Office Products ( See Top 100 in Office Products ) #7,086 in Inkjet Printer Ink Cartridges
Brand	CoYlBod
Color	Red
Compatibility Options	Compatible
Compatible Devices	Printer
Customer Reviews	4.2 out of 5 stars 592 Reviews
Ink Base	Water
Ink Color	Tricolor
Ink Colour	Tricolor
Item Height	12.3 centimeters
Manufacturer	CoYlBod
Model Name	90357
Other Special Features of the Product	Refillable
Page Yield	100
Special Feature	Refillable
Unit Count	3.38 Fluid Ounces

Inkjet Printers Printhead Cleaner Nozzle Cleaning kit for Epson WF-7620 WF7710 WF-7720 WF 7210 WF 3630 WF-2630 WF-2660 WF-7520 WF-7510 WF-7010 WF-3540 WF-3530 WF-3520 WF-3720 XP-440 XP-340 XP-446

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