Charge Corona Wire Replacement - Ricoh Robin Service Manual

AROUND THE DRUM

6.4 CHARGE CORONA WIRE REPLACEMENT

[K]
[C]
1. Open the front cover.
2. Remove the charge corona unit [A] together with the wire cleaner [B]
(1 screw).
3. Remove the wire cleaner from the charge corona unit.
4. Remove the front endblock cover [C] (1 screw) and the rear endblock
cover [D].
5. Unhook the springs from the corona wires [E] and replace the wires.
NOTE: a) The new corona wires must be in the grooves [F] of the front
endblock [G] and must be underneath the projections [H] of the rear
endblock [I] as shown.
b) The height adjuster [J] must be positioned underneath the corona
wires.
c) Do not handle the new corona wires with bare hands. Oil on the
wire may cause uneven charge on the drum.
d) Do not rub the corona wires with rough material (sandpaper, etc.)
as this will damage the corona wires.
e) When removing the endblock covers, be careful not to break off the
side hooks.
f) Do not use any solvents to clean the wires as this will cause uneven
charge on the drum.
g) Do not damage the grid plate when replacing the corona wires.
h) When installing the charge corona unit, make sure that the wires [K]
are positioned between the cleaner pads [L].
[L]
[B]
[A]
[H]
[G]
5-46
[E]
[D]
[I]
[F]
[F]
[J]
24 June 1994