Upon the return of an indictment or the issuance of an information, the clerk shall issue a summons for each defendant named instead of a warrant unless a warrant is requested by the attorney for the Commonwealth or directed by the court. Upon request of the attorney for the Commonwealth, the clerk shall issue more than one warrant or summons for the same defendant. The clerk shall deliver the warrant or summons to a peace officer for execution or service. If a defendant fails to appear in response to the summons, a warrant shall issue.