Ink backs away from ink ball. This causes the print to become starved for ink
|Ink is to short and buttery
|Add an ink varnish to improve ink flow characteristics. Talk with your ink manufacturer.
|Ink is thixotropic
|Work the ink tray frequently to prevent gelling up.
|Water is back building into the ink tray
|Too much free floating water. Check pH/conductivity and reset if necessary. Check ink/water balance to reduce the amount of free floating water.