Knowledge / Separation Methods / Roulettings / Mistakes

Rouletting mistake: printers term for a deviation caused by a rouletting mistake

Missing rouletting: postage stamp with not executed roulett-ing caused by mistake

Partly missing rouletting: postage stamp with partly not executed rouletting caused by mistake

Missing rouletting hole: rouletting with broken punching iron and therefore a hole is missing in the rouletting line caused by mistake

Rouletting size mistake: printers term for a deviation from the intended rouletting size caused by mistake

Rouletting number mistake: printers term for a deviation from the intended rouletting number caused by mistake

Shifted rouletting: postage stamp with shifted rouletting to another position as intended caused by mistake

Badly centered rouletting: postage stamp with shifted rouletting which is extended over multiple sheet positions caused by mistake

Double rouletting: postage stamp with twice instead once rouletting caused by mistake

Partly double rouletting: postage stamp with partly twice instead once rouletting caused by mistake

Oblique rouletting: postage stamp with out of alignment shifted rouletting lines caused by mistake

Oblique rouletting: postage stamp with out of alignment shifted rouletting lines caused by mistake

Rough rouletting: postage stamp with imperfect rouletting with paper residue in the roulett-ing holes caused by mistake