Ricoh DD 4450 Service Manual page 226

SBU level error location display
This function shows where a SBU error has occurred.
bit 15: Ge error(Lamp error)
bit 14: Go error (Lamp error)
1-85
bit 13: 0 (not used)
bit 12: 0 (not used)
bit 11: 0 (not used)
bit 10: 0 (not used)
bit 9: Ge error (Black level error)
bit 8: Go error (Black level error)
1-160 Not used
1-161 Key counter setting check
1-162 Key card setting check
SM Appendix
bit 7: 0 (not used)
bit 6: 0 (not used)
bit 5: 0 (not used)
bit 4: 0 (not used)
bit 3: Ge error (White level error)
bit 2: Go error (White level error)
bit 1: 0 (not used)
bit 0: 0 (not used)
7
SP Table
C279