Oce CS2436 User Manual page 752

Error Message (CS2436-12)
12. 1. 14.
Error Message > Error Messages >
GL2: W0504 This command is not supported.
Cause
The printer has received an
unsupported HP-GL/2
command.
Corrective Action
Check the print job.
If you have specified ProcessingOption
>Warning >On in the Control Panel menu,
set it to Off instead.