Ricoh FT5540 Service Manual page 281

31 August 1989
Leading edge dc: D1
5. Turn off the main switch, and select the dc 200 µA range on the digital multimeter.
6. Turn on the main switch, and adjust the corona current by turning VR "DC1" [D] on the
TC/SC power pack. (Wait 30 seconds for the current to stabilize.)
Normal dc: D1 & D2
7. To turn on the separation corona, turn on the switching PCB dip switches corresponding
to D1 and D2 on the TC/SC power pack PCB. (The silk screen printed on the TC/SC
power pack PCB is correct.)
8. Adjust the corona current by turning VR "DC2" [E] on the TC/SC power pack. (Wait 30
seconds for the current to stabilize.)
9. Remove the drum shoe, and reassemble.
10. Check copy quality.
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