Ricoh A151 Operating Instructions Manual page 89

Press the Lighter key.
Enter the required user tool num-
ber using the Number keys.
For the user tool number, refer to
pages 31 ~ 33.
Example: 16. Counter up/down
This is the user tool's number.
If you input the wrong number, press
the Clear/Stop key. Then, input the
correct number.
Press the Auto Image Density
key.
The default setting will blink in the
copy counter (type 1) or in the Three
Digit indicator (type 2).
USER TOOLS
%
1 2 3
Start
4 5 6
7 8 9
Clear/
Stop
0
C
%
'