Fujitsu document scanners The process of reading information that individuals mark on surveys, tests, and other paper documents is known as optical mark recognition (also known as optical mark reading and OMR).OMR is used to read questionnaires and multiple choice exam papers with shaded sections.Where Forms are then scanned through an OMR Scanner and once scanned, the OMR scanner detects the absence or presence of a mark on the specially designed form.