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This guide is for educators, presenters, and anyone using overhead projectors. The key benefit is the ability to write and easily erase temporary notes on projector sheets. A potential caveat is that these are specifically designed for overhead projectors and may not be ideal for other surfaces. These non-permanent pens feature water-based, soluble ink that erases cleanly with a damp cloth. They come in a wallet of 4 with assorted colors including black, red, blue, and green, identifiable by their colored lids and grey barrels.
| Model Part Number | 7421WLT4 |
|---|---|
| Brand | Ikon |
No, these are non-permanent pens with water-based, soluble ink designed to be easily erased.
The pack includes four assorted colors: black, red, blue, and green.
You can erase the marks easily with a damp cloth.
While they might write on paper, they are specifically designed for overhead projector sheets. Performance and erasability on other surfaces are not guaranteed.
Always store the pens with their caps on tightly to prevent the ink from drying out.
The model number is 7421WLT4.
Each pack contains 4 pens.
Ensure the cap has been removed and that the pen hasn't dried out. Try gently scribbling on a scrap piece of paper. If it still doesn't write, the ink may have dried completely.
Ensure you are using a *damp* cloth, not a wet one. For stubborn marks, try a slightly more saturated cloth, but be careful not to oversaturate the projector sheet. Allow the ink to sit for a very short period before wiping can sometimes help.
Check the color of the pen's lid, as it corresponds to the ink color. Ensure the lid is fully removed before writing.
Setup: No setup is required. Simply remove the cap and begin writing.
Compatibility: These pens are specifically designed for use with overhead projector sheets (transparencies). They may not perform as expected on paper, plastic films not intended for projection, or other surfaces.
Care: Store pens with caps on tightly to prevent drying. To erase markings, use a slightly damp cloth and wipe the projector sheet clean. Avoid using abrasive cleaners, which could scratch the projector sheets. If ink begins to dry, try re-capping immediately and allow a short period for the ink to re-moisten.
