Ricoh M001 Service Manual page 188

Printer Engine Service Mode
7932 001 ConductorTime
7932 002 PreConductTime
7932 003 Cart Alert
M001
The is the same information retrieved with SP7931
(see 7931 020to023 above), but the value displayed
here calculated with the rotation time numbers of the
EEPROM (sec.)
Conductor Time. Rotation count of the OPC
presently installed.
PreConduct Time. Rotation count of the
previous OPC.
Note:
The counter increments by "1" for every 6 sec.
of drum rotation time.
To calculate the actual time in sec., multiply the
displayed value by 6.
Displays a 6-bit array that provides information
about toner, used toner, and OPC service life of the
cartridge presently installed in the machine.
Note: "000000" indicates "Normal". A "1" indicates
that a change has occurred for the in the alert status
at one or more of the bit positions below.
Bit What It Means
0 Toner near-end
1 Toner end
2 -
3 Used toner end
4 OPC service life near-end
5 OPC service life end
5-70 SM