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Another way to be cruel to cartridges and a way to refill without needle. Adapted a lighter valve onto BCI-6 cartridge.

From upper left, clockwise: 1. New hole, rubber plug cut at level, refill through plug. Used for a compatible BCI-3eBK 2. Variation to German method. Used for a set of OEM BCI-6 cartridges 3. German method. Used for another set of OEM BCI-6 BCI-3eBK cartridges 4. Silicone plug. Used for a...

Just for fun.:lol: All tested.:D

Here you are.

Removing the plug with bare fingers? For this I am using a woodscrew tool (woodscrew + handle) I got from a refill kit. It is really handy, also for removing the ball from original hole. The plug I am using is not damaged by this as it already has a small hole on topside.

Once I had a clearance problem with a too tall soft plug in a compatible PG-5BK. My solution - cut it at same level with cartridge top. It is still working well. As a side note for top filling, for years I used only the original ball plug in CLI-8 carts, removed and reinserted at each refill...

Well, instead of drilling the hole in usual place, I drilled it on the side of cartridge, at about half the distance between outlet port and spongeless compartment, angled toward spongeless compartment. It is a bit more difficult to drill the angled hole, but it allows to use a far shorter...

Hi Yes, these cartridges can be refilled. HP15 is very easy to refill, search on net about refilling HP45, is the same method. I have refilled both HP15 and HP45 many many times, without any issue. With HP78 is an entirely different story, for years I was not able to get a full functional...

I think this effect is overestimated. Actually I did the math to see how much ink is pushed out from ink tank and only if: - the ink tank is almost empty and - the drop in pressure or increase in temperature is big and - the air tube is thin and - CISS level is too close to printhead level the...

Hi everybody To avoid said problems with ink pushed out by atmospheric pressure and temperature variations I made myself a CIS with overflow drain from air tube into another bottle placed below ink tank. It complicates a bit the refilling but at least I am sure no ink will flow on my desk.