Ricoh DD 4450 Service Manual page 225

SP Table
SBU hard error location display
This function shows where a SBU error has occurred.
bit 7: 0 (not used)
bit 6: 0 (not used)
bit 5: GASBU-N Id error
1-83
bit 4: VSP5100 reset error
bit 3: GASBU-N reset error
bit 2: Serial communication error
bit 1: Power ON/reset clear error
bit 0: Connect detection error
SBU adjust error location
1-84
display
This function shows where a SBU error has occurred.
bit 7: 0 (not used)
bit 6: 0 (not used)
bit 5: Re error (Gain error)
bit 4: Ro error (Gain error)
bit 3: Ge error (Gain error)
bit 2: Go error (Gain error)
bit 1: Be error (Gain error)
bit 0: Bo error (Gain error)
C279 6 SM Appendix