- If you have multiple Fiery options to activate, you must activate them one at a time. It is not possible to activate several options at once. 
 - If the keychip (Server Options) or PC (Client Options) becomes defective, the following's are needed as evidence in order to get recovered.
- Defective key chip
 - LAC
 - Option Name
 - Serial Number of E-25C
 - OS on the client PC where the software was installed.
 - The configuration page that shows that the defective key chip had the optional feature license installed.
 
Therefore, please be sure that you always print a configuration page and note the above information and keep them together when you activate a new optional feature on the E-25C.