Memory leak in the random data generator or printer buffer overflow. Fix: Reduce the number of random graphics. Use a smaller random seed. Restart the service or use a dedicated hardware test mode (many v83 printers have built-in self-test via hex dump mode).

| Feature | v80 | v81 | v82 | v83 | |---------|-----|-----|-----|-----| | Basic random text | Yes | Yes | Yes | Yes | | Binary/control code injection | No | Yes | Yes | Yes | | Markov receipt generator | No | No | Beta | Full | | Hardware fuzzing safeties | No | No | Basic | Advanced | | Real-time hex monitor | No | No | No | Yes | | Android ARM64 support | No | No | No | Yes |