
F1 Fuse (also F2, F3...) for Epson Mainboard - Fix Error 0x9A or 031006 on WF-7720, WF-7710, WF-3640, ET-8550, XP-15000...
$7.99
Too many to list. It can also be known as F2, F3, F301, F201, Fxxx.
If it's an "F", and looks tiny, it is this fuse. If you get 0x9A or 031006, you probably have a blown printhead and a burnt FFC cable as well.
Please be cautious as this component is incredibly tiny. We highly recommend that only trained professionals attempt any repairs. We have taken measures to show the size of this component through videos, photos, drawings, and this warning. Please do not be one of the individuals who knowingly purchase this item, only to later complain about the precision required for the repair. If you find yourself unable to perform the repair, we suggest reaching out to your neighbors to see if anyone is skilled in this area. If you are unable to find assistance from your neighbors, you can search for "Makers around me" on Google. You may discover that there are Makerspaces or individual makers nearby who are knowledgeable in soldering and may be able to assist you with the repair.
The package will arrive in a silver anti-static bag containing a small white envelope, and inside the envelope, you will find the fuse, which is even smaller.
If you have problems finding the F1 fuse on your Epson mainboard, you are not alone. First of all, let me emphasize that the F fuse doesn't control if a mainboard powers up or not. If your mainboard is not powering up, it is more likely caused by blown transistors. Check out this video about how to fix the transistor/MOSFET.
The two transistors can be seen below, and the replacement can be found here (click).
If your F fuse is blown, the printer will print. But the output is blank. Of course, if your printhead is clogged, it will have the same symptom. Therefore, you need to troubleshoot the printhead and use a multimeter to test if the fuse is blown. The printer usually have problem starting up. It will turn on (different from NOT turning on), but will only finish half of start up routine and display error 0x9A or 031006
Some models have the fuse marked as F1, F2, F3, so it's easy to find on the main board. For example:
F1 Fuse on CD86 MAIN for Epson ET-2650
Okay, here is where the fuse is. Hint: Epson doesn't call all of them F1 anymore.
It is F201 or F301 for some models.
F1 Fuse on CD77 MAIN for Epson WF-2750
F2, F3 Fuse on CD36 MAIN for Epson WF-7720 and WF-7710
(F1 is on the other side of this board)
F1 fuse for CC97 MAIN board - WF-7610 WF-7620
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