- The exposure time of the lamps has to be higher with decreasing temperature (p summer / winter).
- Try to make your card stamps always in the same thickness as the slightest change can affect the final product.
- The lamps above form only the base of the stamp and they are responsible for the height of the letters, etc.
- The negative has to be totally black because otherwise it is almost impossible to make the stamp (this is a very common problem), some types of toner does not serve to negative.
- Avoid placing the residue of sewage lavações in the sink because it causes serious clogging problems, it is advisable to put in sewage (bathroom).
- Avoid washing the plate stamping with toothbrushes (or similar), they are very tough and can easily break through a letter, etc.. The correct washing is done within a tray using softer brushes (for ex. Toothbrush clothing, shoes, etc.).
- Do not use soap or soap stone.
- Use gloves when washing, because the long term, can cause minor skin irritation.
- is expressly prohibited observing the lamps without goggles.