Ricoh D065 Service Manual page 502

CTL Self-diagnostic error: NIB
823
B [XXXX]: Detailed error code
MAC address check sum error
[6101] The result of the MAC address check sum does not match the check
sum stored in ROM.
PHY IC error
[6104]
The PHY IC on the controller cannot be correctly recognized.
PHY IC loop-back error
[6105] An error occurred during the loop-back test for the PHY IC on the
controller.
- 1. Replace the controller.
Self-diagnostic error 4: NVRAM
One or more of the following
conditions exist:
824 D
NVRAM not present.
NVRAM damaged
NVRAM socket damaged
Self-diagnostic Error: Optional RAM
829 D
The optional RAM returned an error
during the self-diagnostic test.
For more details about SC 833, SC834 and other errors, execute SP5990 to print
an SMC report so you can read the error code. The error code is not displayed on
the operation panel. The additional error codes (0F30, 0F31, etc. are listed in the
SMC report.
SM Appendix
Service Call Conditions
NVRAM defective
Controller board defective
NVRAM backup battery
exhausted
NVRAM socket damaged
Note: In every case, the controller
board must be replaced.
Replace the optional memory
board
Controller board defective
3-57 D062/D063/D065/D066