Ricoh D009 Service Manual page 277

1) is the recommended method, because another SC could write over the
information for the previous SC.
Undefined error
992 D
Defective software program
An error undetectable by any other SC code occurred
Controller Board Mismatch
CTL
The information on the controller board does not match that of the
995
D
machine
Wrong controller board installed
Software Error 3: Cannot select application function
An application does not start after the user pushed the correct key on the
operation panel.
997 B
Software bug
A RAM or DIMM option necessary for the application is not installed or not
installed correctly.
Software Error 4: Application cannot start
Register processing does not operate for an application within 60 s after the
machine power is turned on. No applications start correctly, and all end
998 D
abnormally.
Software bug
A RAM or DIMM option necessary for the application is not installed or not
installed correctly.
SM 4-51
SC Tables: SC9xx
D009/D011/D012/D013