Sites like ManualsLib or ManualsOnline often host user-uploaded PDFs. Ensure the file is complete (usually 40-60 pages) and not a virus. Check for Avery Berkel watermarks.
Avery Berkel is now part of Avery Weigh-Tronix. Their official website provides support documentation, though older models like the L115 may be in the "Legacy" section. Navigate to their support portal and search "L115." Avery Berkel L115 Manual
If you purchased the scale from a reseller, they often have a white-label version of the manual. Contact their support desk. Avery Berkel L115 Manual