Picture Framing
Ink or other material accumulates on the blankets or transfer cylinders on the outside dimensions of the paper stock being run.
| Cause | Cure |
|---|---|
| Plate exposure or processing incorrect | Using deletion pen hone, use in effected area and restart press. If this area stays clean plate exposure or processor is incorrect. Talk with your plate representative if problem persists. |
| Poor form roller settings | Check rollers and reset as necessary to manufacturers spec |
| Form rollers oscillating on the plate | Lock or shim rollers to prevent lateral movement |
| Fountain solution no keeping the plate background clean | Check pH and conductivity. Flush, clean and refill if necessary. Make sure of any alcohol replacements |
| Wrong roller being used (Hickey pickers or flocked rollers) | Replace with rubber rollers if necessary |
| Deep or uneven grain in plate | Talk with your plate representative for correct plate |
| Calcium overload | Add additional calcium removers to fountain solutions. |
