Ricoh G176 Service Manual page 166

Printer Engine Service Mode
7931 007 Maintenance ID
7931 008 New AIO
7931 009 Recycle Count
7931 010 EDP Code
7931 011 Maker ID
7931 012 Remaining Toner
7931 013 Toner End
G176/G177/G176L
Acquires value at "06H" on the AIO ID chip and
displays:
1: Printer (no maintenance contract)
3: Accessories
99: AIO
Acquires value at "08H" on the AIO ID chip and
displays:
0: Normal
64: New AIO
Acquires value at "09H" on the AIO ID chip and
displays 0 to 3.
Acquires value at "0FH" on the AIO ID chip and
displays the toner order code. The code is a string of
ASCII characters.
Acquires values at "10H" to "17H" on the AIO ID chip
and displays an ASCII string that identifies the
manufacturer.
Note:
This data is originally entered as BCD and
changes into a 16-character string in order to
convert it to ASCII.
However, only 10 bytes can be used to
communicate with the controller, so the 16 bytes
are truncated to 10 bytes.
Acquires the value at the AIO ID Chip address "2CH"
and displays "0" to "100" (the percentage of toner
remaining in the cartridge.
Acquires the value at the AIO ID Chip address "2DH"
and displays:
N: Toner near end
E: Toner end
5-64 SM