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pg. 272
b) When the image density at the rear side is high [B]:
b-1) Turn the resin screws [3] and [4] 360 degrees clockwise to adjust the height of the primary charging wire.
[Caution] Since uneven density might occur, be sure to adjust by turning the 2 adjustment screws [3] and [4]
with the same amount.
b-2) Perform steps 1) and 2) to output a test print again to see the density. When the density at the rear side
is high, execute steps b-1) and b-2) until the density becomes even, and then go to Step 3).
3) Clean the corona wire in Service Mode > Mode List > COPIER > Function > CLEANING > WIRE-CLN.
4) In Service Mode > Mode List > COPIER > Function > DPC, and select DPC. Enter "1" and press "OK"
button.
5) Turn OFF/ON the main power so that the potential control is executed at startup.
6) Perform Step 1) again. When the density at the front side and the rear side become even, the work is
completed.