We also determine concerning documents produced on modern office equipment. There are many types of problems that can be solved concerning documents that have been typed or printed. Typewriting questions are presented in a great variety of ways. A fraudulent document is usually dated back to some selected time when certain circumstances or occurrences tend to confirm the fraud.

Check writers also known as check protection may be identified as to manufacturer by its mechanism and typeface design and individualizing by accidental characteristics resulting from damage, wear & tear.