|
Cause |
Solution |
| Ink |
Too much thinner added to ink. |
Adjust viscosity of ink. |
| Wrong type of printing ink used. |
Use transfer pad printing ink for best results. |
| Print is transparent. Note: transparent ink dries slower due to less pigmentation. |
1. Double-hit part.
2. Use stronger pigment ink. |
| Pad |
Pad is wrong shape (too flat). |
Use a pad with a sharper angle of descent. |
| Pad is too soft. |
Use harder pad. |
| Pad is too old or dried out; ink is not releasing. |
1. Coat pad with Long Life Oil (#141112)
2. Use a new or newer pad. |
| Cliché (plate) |
Uneven depth in etch. |
Remake cliché to the proper tolerance. |
| Etch depth is too shallow or too deep. |
Remake cliché to standard depth. |
| Shallow spot appears in plastic cliché. |
Remake cliché; if problem continues, check the screen and the film. |
| Material (substrate) |
Too much texture appears on part. |
Use a hard pad with a steep angle. |
| Part surface is dirty or contaminated. |
Clean part and/or wear gloves. |
| Part is translucent. |
Double-hit part. |
| Other |
Doctor blade is dipping into a large image and wiping out some of the ink. |
1. Decrease doctor blade pressure.
2. use a more rigid doctor blade.
3. Skew the print image to eliminate long horizontal areas, parallel to doctor blade.
4. Use a cliché with a screened image. |
