The Leeds printer, which specialises in promotional print and report and accounts, will keep its other Komori five-colour, but believes the Heidelberg perfector is "far superior".
Managing director Martyn Duffield said: "We were finding that when [the Komori] printed on the reverse there was a slight haloing of text when it was looked at under glass, which we couldn't control."
However, Komori UK marketing director Philip Dunn said the problem had not been experienced on any of Komori's perfectors, and believed that the problems emanated from a combination of chemical and paper issues at Duffield.
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