Ricoh D017 Service Manual page 460

Original PCU ID South Korea only
2989
Displays the ISSUER CODE of the loaded PCU. The history of the PCU ID
codes is stored in NVRAM for display.
1 Latest Most current code (in use).
2 Last 1
Up to four issuer codes of toner lots in the same series can be
3 Last 2
stored. If a PCU with a new series code is set, then the new code
4 Last 3
replaces the history of the previous PCU.
5 Last 4
Original Toner ID South Korea only
2990
Displays the ISSUER CODE of the loaded toner. The history of the toner ID
codes are stored in NVRAM for display.
1 Latest Most current code (in use).
2 Last 1
Up to four issuer codes of toner lots in the same series can be
3 Last 2
stored. If toner with a new series code is set, then the new code
4 Last 3
replaces the history of the previous toner.
5 Last 4
SM Appendix 4-27 D017/D018/D019/D020/D084/D085
System SP Tables-2