Even though there were many followers for pre-printed checks, the shift towards blank check stock was dramatic. There are many reasons for this scenario. Blank check stock, as the name suggests, is blank and does not carry any data on it that can be copied by somebody else. A major concern regarding the Pre-printed checks is that these checks carry serious data that should otherwise keep secret, is apparent to all. It includes the check accounting number and the check routing number. Hence, one major reason behind the preference of blank check stock while using a check printing app is the data security it provides.
As far as blank check papers are concerned, these types of data will not be apparent and usually printed on time using a check printing software.