You can specify offset stacking on job level with attribute @OffsetDirection.
Syntax
XPath: /JDF/ResourcePool/DigitalPrintingParams/Disjointing[@OffsetDirection]
Type
Enumeration
Supported range
|  
 @OffsetDirection  | 
 
 
 Description  | 
 
|---|---|
|  
 None  | 
 
 
 No offset stacking  | 
 
|  
 Alternate  | 
 
 
 Each copy of the job is stacked in offset  |