Ricoh D017 Service Manual page 412

817 C Boot loader error
The boot loader cannot read one of the
following:
Self-diagnostic module, kernel, or one
of the files of the root file system, or the
check of one of these items on the
controller board failed.
819 C Fatal kernel error
Due to a control error, a RAM
overflow occurred during system
processing.
Note: For more details about this SC code error, execute SP5990 to print an SMC report so
that you can read the error code. The error code is not displayed on the operation panel.
820 D Self-diagnostics error: CPU
Cut-in in ASIC occurs.
SM Appendix
File or module on the
controller board is corrupted.
File or module on the
controller board is illegal.
Replace the controller board.
Controller board defective
Insufficient memory
Expanded memory defective
Defective ASIC
Defective devices in which ASIC
detects cut-in.
Damaged boot monitor program or
self-diagnostic program
1. Replace the controller board.
2. Reinstall the boot monitor or
self-diagnostic program.
3-37 D017/D018/D019/D020/D084/D085
Service Call Conditions