| PROBLEM-Non-image areas of the plate accept ink.
SYMPTOM-Non-image areas of the sheet pick up ink.
| probable
cause |
remedy |
| 1 |
Fountain solution pH/conductivity is incorrect. |
Check pH/conductivity of fountain solution and adjust
to manufacturer’s specifications. If condition still exists,
add 1/4 oz. per gallon of 14° Baume’s Gum Arabic. |
| 2 |
Glazed and/or excessive pressure
of dampening rollers and ink rollers. |
Clean, recondition with Kwik & EZ;
adjust or replace as necessary. |
| 3 |
Excessive plate-to-blanket pressure. |
Adjust to proper pressure. |
| 4 |
Low alcohol or alcohol replacement content of dampening
solution. |
Raise alcohol or alcohol substitute content. |
| 5 |
Plate was improperly developed or stored. |
Desensitize or remake plate. |
| 6 |
Ink too soft for form being printed. |
Increase body of ink. Add up to 1 oz. per pound of
OV-196 Super Water Repellent Varnish. |
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