When using the PRINT command, the dataset is allocated using the default value defined in the user profile.
The record length or the record format can be changed using the SET command.
There are the SET LRECL and SET RECFM commands in SYSVIEW that can be used to change these settings.
SET LRECL 255
SET RECFM FB
Detailed information regarding the SET command can be found using the Sysview TOPICS command or "HELP SET" command.