When a gear mark shows on food flexible packaging, what do you move first
When a gear mark shows on food flexible packaging, match the tooth pitch first. Do not change the doctor blade first. Change only this one thing. Look again in the same place after you change it. Light and dark bands repeat at a fixed tooth pitch.
When a gear mark shows on food flexible packaging, match the tooth pitch first. Do not change the doctor blade first. Change only this one thing. Look again in the same place after you change it. Light and dark bands repeat at a fixed tooth pitch.
Move one thing first
If it covers the whole sheet, stop and check the gears. Do not treat it as ordinary uneven ink. If it has already hit the ingredient list, an allergen line, or a barcode, stop first, then adjust. Do not try it while the press keeps running. A doctor-blade line does not repeat by tooth pitch. It is one long line.
Order
| Do this first | Do not do this first | Why |
|---|---|---|
| Match the tooth pitch first. Do not change the doctor blade first. | Change ink, pressure, and speed at the same time | Change three things at once and you will not know which one worked |
| It has already landed on the ingredient list, an allergen line, or a barcode | Try it while the job keeps running | Scrap keeps going |
| Log the spacing, the colour unit, and which side the gear is on. | Only say you already adjusted it | The next shift cannot pick it up |
Leave this behind
- Match the tooth pitch first. Do not change the doctor blade first.
- In the same place, confirm whether the gear mark has eased.
- Log the spacing, the colour unit, and which side the gear is on.
