Ricoh Aficio ISC 615G - Manual (Page 119)

Parameter Setting
111
4
C
Select [Parameter Setting] using {U} or {T}, and then press the {OK} key.
D
Select [Parameter Setting] using {U} or {T}, and then press the {OK} key.
E
Select the switch number you want to change using the scroll keys, and
then press the {OK} key.
F
Select the bit number you want to change.
When the bit number is pressed, the current value switches between 1 and 0.
Repeat step
F to change another bit number for the same switch.
G
Press the {OK} key.
H
Repeat steps E and F to change the switch settings.
I
After all the settings are finished, press the {User Tools/Counter} key.
Reference
p.112 “Printing the Parameter Settings List”