Older systems used MD5 or SHA-1 for job verification. New security standards require SHA-256. PrintCopyInfo 3.2+ rejects old hash formats.
Cloud print connectors now rotate OAuth2 tokens every 8 hours. The PrintCopyInfo module fails to renew the token silently, resulting in this code. printcopyinfo error codes new
PrintCopyInfo 1.7+ for AirPrint enforces "certificate pinning." If the printer’s self-signed certificate does not match the stored public key hash, the job is blocked. Older systems used MD5 or SHA-1 for job verification