Photo to etch

Preparation in photoshop

Make the image Black & White

-in the layers panel <Adjustments - Black & White> 

Make negative

<Adjustments - adjust curve> bring the right top of the curver down and right side of the cuve 4/5 up.

Convert to greyscale

 Mode >> Greyscale

Flatten image <OK> Discard color information? <Discard>

Image size

(the size of your copper plate) 

Resolution 150 PPI  resample: <automatic> 

Convert to bitmap

 output <300 PPI> Method <Diffusion Dither> Inverse image (negative) Flip canvas Horizontal 

Save as tiff



Make special layer

primer 100% valit pixel  

Rip and Print

primer <start>

On the mimaki

clean copper plate

with alcohol place on the right corner of the table

After printing

Cover the back of the plate

with tape 

Put the copper plate in the etching liquid

for ±30 minutes