Ricoh FT4480 Field Service Manual page 74

Method B: With a Digital Multimeter
Follow steps 1 through 3 of method
OFF)
1. Confirm that the main switch is off and turn on DIP SW 201-8 on the
main board.
2. Hook up the multimeter leads as follows:
Positive lead to pin 1 of CN209 on the main board
Negative lead to TP201 (Ground) and select the 20-volt-dc setting.
Note: Hook up the positive lead using a crocodile clip as shown.
3. Turn on the main switch and enter "99" in the copy counter, then
press the start key.
4. Adjust VR201 to give a reading of +4 ± 0.2 volts.
Turn off the main switch; then, turn off Dip 201-8 and DIP SW No. 1-1.
5.
A. (DIP SW NO. 1-1 ON and NO. 1-8
3-23
15 MARCH 1987