Charge Corona Wire Replacement - Ricoh FT5233 Service Manual

12 February 1992

6.12 CHARGE CORONA WIRE REPLACEMENT

[C]
[G]
[H]
1. Remove the screw securing the charge corona wire cleaner [A] and pull
out the charge corona unit with the wire cleaner.
2. Remove the wire cleaner from the charge corona unit.
3. Remove the front end block cover [B] (1 plastic screw) and the rear end
block cover [C] (2 hooks).
NOTE: When removing the rear end block cover, be careful not to break
off the side hooks.
4. Unhook the corona wire tension spring [D] and remove the charge corona
wire [E]. Remove both corona wires.
NOTE: a) Be careful not to damage the corona wire tension spring.
b) Be careful not to lose the tension springs and the damper rings
[F].
5. Clean the charge corona casing and the end blocks.
NOTE: a) Clean the casing with water first to remove NOx. Then clean it
with alcohol if any toner still remains on the casing.
b) Clean the end blocks with a blower brush to remove toner and
paper dust. Then clean it with alcohol if any toner still remains
on it.
c) Do not touch the charge guide plate with bare hands, bend or
dent it.
[E]
[A]
[F]
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AROUND THE DRUM
[F]
[I]
[J]
[B]
[D]