JetPens Blog

April 11, 2011 - Posted by Elizabeth to Brush Pens

The structure of the Kuretake Fountain Hair Brush Pen is basically the same as a regular fountain pen, with an ink cartridge inside and a brush end nib.

Sometimes the ink in the brush nib can harden after a long period of no usage. If this happens, you can take the following steps to get the pen going again:

1) Remove the ink cartridge from inside the pen barrel.
You can save a full ink cartridge by covering the opening with some scotch tape and storing with the opened side up.

2) Soak the brush pen nib in room temperature or warm water. Make sure to change out the water when it is saturated with ink, until the water is no longer black. (1-5 days)
Please do not remove the metal part or disassemble the brush part, in order to prevent ink leakage.

3) Rinse the clean brush nib with running water, and remove the excess water using some tissue. Leave it in a shady spot for a day or so, to let it air dry.
If you put the nib back before it is dry, the ink may leak from the side.

4) Insert a new ink cartridge.

After you insert the ink cartridge, the writing might be a bit weak in color due to the moisture left in the brush nib. If you keep wring for a while, the color of the ink will go back to the original color.

To avoid this pen drying out in the first place, Kuretake recommends to use this pen often, without a long period of no usage. Also when you finish writing, they recommend to lightly dry any excess ink off the nib with some tissue before you put the cap back on.

To refill the lead in your Pilot Hi-Tec-C Coleto multi pen, you must first remove the pencil component altogether from the pen body.

Then, hold the component tip-side up while grasping the main metal tube, and remove the lead mechanism piece

The piece should come off right where the metal tube ends and the white plastic piece begins.

Insert your refill lead, then put the component back together.

After you place the pencil component back into your Coleto multi pen, you're ready to go!

(A good tip to know is that most of our multi pens with pencil components refill in the same way!)
April 11, 2011 - Posted by Elizabeth to Multi Pens

To insert the ink or pencil components into the Pilot Hi-Tec-C Coleto multi pen bodies, first open the cap at the top of the pen body:

(the cap can be stuck on pretty tightly, but use of a fingernail under the tab will help open it up)

Then, slide in the components inside the little spring with the pen tip going in first. The corresponding push buttons have small tabs on the side, which need to slide into the matching spaces.

Repeat as necessary to fill all of the available spaces in your Coleto pen.

After you have put in all the components to fill you Colet multi pen, simply close the top cap with a *click* and viola! You're done!

April 7, 2011 - Posted by Elizabeth to Pen Pics

Another talented artist we discovered through our JetPens network, Eric Kubli is a freelance illustrator and web designer who also makes comics in his free time. He has a journal comic (, maintains and contributes to a sketch blog with a few friends (, and more of his professional work can be found at

Give us a little insight as to how you use our JetPens products in your illustrations.

I use the Pentel Pocket Brush Pen. I tend to use it exactly how it's intended to be used. I order a few packs of refill cartridges from JetPens once every couple months. The only part of my process that I can really say anything interesting about is that I tend not to pencil anything - unless I really think it needs it, I tend to just go straight from blank paper to the finished inks. I also use Microns (typically 08, 05 and 005) for hatching, lettering and small details.

A number of the different fountain pens we carry will accept any international short ink cartridge.

This is a general term used to describe ink cartridges in this same size and dimensions. We have compiled a list of all the different brands we carry, for convenience.

1. Pelikan Fountain Pen Refill Cartridges
2. Kaweco Fountain Pen Ink Cartridges
3. Waterman Mini Cartridges
4. Ohto Fountain Pen Refill Cartridges
5. Rotring Brillant Fountain Pen Ink Cartridges

It is always best to ensure compatibility by sticking to the same brand of cartridges as the fountain pen you are trying to fill. Sometimes, even though these cartridges are all relatively the same size, other brands do not work as well with other fountain pens.

(Cartridges in above photo listed in order from top to bottom: Rotring, Ohto, Waterman, Kaweco, Pelikan)

For example, the Pelikan cartridges have a slightly wider opening than the Kaweco ones, making them prone to leaking inside a Kaweco Sport fountain pen.

(Cartridges in above photo listed in order from left to right: Rotring, Ohto, Waterman, Kaweco, Pelikan)