Ricoh D127, Field Service Manual, Page: 174 / 474

No.
Definition
Symptom Possible Cause/Countermeasure
-001 D Program parameter error • Software bug.
1. No action required because this SC
does not interfere with operation of
the machine.
-002 D Program execution error
670 B
Engine startup error
Just after the main power is turned on or
the machine is recovering from auto off
mode, the engine ready signal assertion
fails.
Just after the main power is turned on,
the engine does not respond.
• Poor connection between the BICU
and controller board
• Defective BICU
• Defective controller board
672 B
Controller-to-operation panel communication error at startup
After powering on the machine,
communication between the controller
and operation panel does not begin, or
the communication is interrupted after a
normal startup.
• Controller stalled
• Controller board installed incorrectly
• Defective controller board
• Operation panel connector loose or
defective
• Poor connection of DIMM and
optional boards on the controller
board
1. Check the setting of SP5875-001. If
the setting is set to "1 (OFF)", change it to
"0 (ON)".
SC8xx
No.
Definition
Symptom Possible Cause/Countermeasure
818 B
Firmware update error
This error may occur while firmware
update. 1. Reboot the copier and complete the
undone update.
6. Troubleshooting
172