Results of calculation of O – C can be saved and printed with the help of usual means of Windows. ... Saving and printing results . It should be taken in mind that the type of extension that is actual in default of specifications is “.ocr” ( O – C results ). ... NOTE : Paper size different from A4 is not recommended: in this case the part of data can be out of print area. If printer resolution is lower then 300 dpi then problems can occur when printintig text in Portrait mode. ...