Ricoh FT4430 Service Manual page 171

16 April '88
DIP SW
Method B: With a Digital Multimeter
Follow steps 1 through 2 of method A.
Confirm that the main switch is off and turn on DIP SW 1-8 on the main
1 .
board.
2 . Hook up the multimeter leads as follows:
Positive lead to TP206 (Vsg)
Negative lead to TP201 (Ground) on the main board after selecting the
20-volt-dc setting.
3 . Turn on the main switch and enter "54" in the copy counter, then press
the Enter key. PTL and ID sensor LED turn on and the drum rotates for
about 10 seconds.
4 .
5 . Turn off the main switch; then, turn off DIP 1-8.
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