If your printer is displaying "23" or "E23," it usually signifies a mechanical issue rather than a software error that requires the service tool. Common Causes : A physical blockage in the feed path.

Alternatives and safer practices

: Can print EEPROM data to diagnose usage history and specific internal errors. Diagnostics

If you meant something else — like a manual section, a driver version, or a firmware string — could you clarify the exact context? I can then give a more precise completion.