Ricoh G031 Service Manual page 116

SERVICE PROGRAM MODE
3. Use the "arrow" key to change the number and press
the "Enter" key to store the displayed number.
NOTE: Store the same number which had been
stored previously (see the top of the Print Log
sheet).
The printer control board has a serial number printed on the board, but
if the old board had been replaced earlier, the serial number on the
new board must not be used for the Printer ID.
4. Then the cursor shifts to the right.
5. To store the number in the display, press the "Enter"
key.
6. The display goes back to the top menu.
7. Use the "arrow" keys to select "PRINT LOG".
8. Print the log sheet and check that the printer ID at the top of the page (serial
number and model name) is correct.
G031/G032 4-14
Serial Number:
1 0 000000
G031M513.WMF
Serial Number:
1234567 8
G031M514.WMF
Service Mode:
10. Serial Number
G031M510.WMF
Service Mode:
3. PRINT LOG
G031M515.WMF
SM