Ricoh A151 Field Service Manual page 336

REPLACEMENT AND ADJUSTMENT
18.7 SEPARATION CORONA CURRENT ADJUSTMENT (SP9-6)
[B]
ADJUSTMENT STANDARD
AC 49 ± 1.0 µA
1. If previously removed, reinstall the TC/SC corona unit and position the
drum shoe [A] on the center of the shaft so that the axis of the current
detection plate [B] is aligned with the separation corona wire as shown.
NOTE: Make sure that the drum shoe does not touch the pick-off pawls.
2. Remove the seal [C] from the transport unit.
3 Select the ac 200 µA range on the digital multimeter.
4. Turn on the main switch, close the front cover safety switch, and turn on
the separation corona using SP9-6.
5. Adjust the separation corona current to ac 49 ± 1.0 µA using VRD on the

TC/SC power pack [D].
6. Press the
A202/A203
[A]
A203R508.img
A203R509.img
key and turn off the main switch.
[C]
[D]
Adjusting VR
VRD
8-58
Rev. 7/97
A203R506-2.img
SP Mode
SP9-6
SM