FIELD: printing industry.
SUBSTANCE: invention relates to the field of printing industry. A sheet or roll printing machine comprises the main section, at least one movable ink carriage adapted for connection with a composite section for interaction with it in process of printing operations and shifting away from the main section during operations of maintenance. At the same the specified movable ink carriage comprises at least one ink device, a unit of control to control motion of the specified movable ink carriage in direction towards the specified main section and away from the specified main section, an access area, which at least partially surrounds the specified movable ink carriage to provide access for an operator to the specified main section and the movable ink carriage, and detection facilities to monitor the specified area of access and to detect presence of an operator in the specified access area. The control unit is connected with the specified detection facilities with the possibility of control so that the movement of the specified movable ink carriage may be stopped or prevented.
EFFECT: invention makes it possible to improve safety of the proposed device maintenance.
15 cl, 6 dwg
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