DRUM UNIT 15 February 2006
6-54
6.8.5 CHARGE CORONA WIRE CLEANING
Air flowing around the charge corona unit deposits toner particles on the wires.
These particles interfere with charging and cause pale bands on copies.
The wire cleaner [A] normally remains at the home position at the front end.
To clean the wires, the charge corona wire cleaner motor [B] switches on and
drives the cleaner [A] to the rear, then back to the home position.
The wire cleaner rotates slightly on the forward pass to bring the cleaning pads [C]
into contact with the wires. Cleaning is done only on the forward pass. The pads do
not contact the wires on their return to home position.
The motor [B] switches on after the machine is switched on, but only after 5,000 or
more copies have been made since the last wire cleaning.
B246D911.WMF
[A]
[B]
[C]
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