Konica Minolta LDAP 81 Error
LDAP 81 means the bizhub C368/C308/C258 could not establish a connection to the configured LDAP server.
Error meaning
The device cannot establish a connection to the LDAP server.
This meaning is tied to the reviewed family/platform and subsystem below; do not reuse the number by itself on a different printer family or protocol.
Applies to
Konica Minolta bizhub C368/C308/C258 network services
- bizhub C368
- bizhub C308
- bizhub C258
Common formatting
These are formatting/lookup aliases for this reviewed condition, not separate error pages.
- LDAP 81
- 81
- LDAP81
What usually causes it
- The server address or port may be wrong.
- DNS or routing may prevent the device from reaching the directory server.
- A firewall, server outage, or TLS configuration can block the connection before authentication begins.
What to try
Check the configured LDAP server address and port
Compare the saved host name/IP and port with the organization's current directory settings.
Check basic network reachability
Make sure the printer has a valid network connection, gateway, and DNS when a host name is used.
Check server availability and policy
Ask the administrator whether the LDAP service is running and reachable from the printer network.
Retry the directory operation
After restoring the connection path, repeat the same address search/login before changing account credentials.
After each corrective action
Retry the same operation that produced LDAP 81. If it now works, stop there rather than changing unrelated printer, network, or service settings.
If the code returns
If LDAP 81 persists while the server is known to be online, investigate DNS, routing, firewall, TLS, or the configured port rather than assuming a bad password.
When service may be needed
This is a network/directory connection condition. Internal printer disassembly is not appropriate.
Continue with guided troubleshooting
If the printer still is not working after the reviewed checks, carry this verified error context into the guided troubleshooter.
Related information
Verified source
Official Konica Minolta bizhub C368/C308/C258 Error Code List; protocol context is part of the identity.