Change fountain solution weekly for tank systems. Drain and discard the pan daily. Alkaline cleaners will cause slow image rollup on restarts or blinding. Use only acid cleaners. If an alkaline cleaner is mistakenly used simply go over the plate with an acid cleaner to restore the image.
Some cleaners are alkaline and also contain surfactants.
If they are not thoroughly rinsed from the ink train they can cause ink transfer problems. Read the MSDS before using any chemical. Since the plate has not been processed, there is no gum layer to remove. Also, no gumming is required after the addition is made. Use standard industry practices when making needling or other mechanical additions.