The industrial action began on Monday 26 July, following a ballot in favour of either a strike or action short of one (PrintWeek, 22 July).
Neither the firm nor the union were available for comment as PrintWeek went to press.
According to a company insider, GPMU members at St Ives Westerham are taking part in an overtime ban, following the announcement of four redundancies.
The industrial action began on Monday 26 July, following a ballot in favour of either a strike or action short of one (PrintWeek, 22 July).
Neither the firm nor the union were available for comment as PrintWeek went to press.
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