Development And Toner Supply - Ricoh FT4430 Service Manual

DEVELOPMENT AND TONER SUPPLY

1. Developer
- Be careful not to bend the bias terminal.
- Be careful not to damage the upper brush seal.
- After removing used developer, clean the drive gears and end
magnets.
Take out the development unit and remove the toner tank (2 screws).
1 .
2 . Remove the development brush cover [A] (2 screws) and clean it.
3 . Set the development unit on a large sheet of paper [B] with the unit's inlet
facing downward.
4 .
Turn the paddle roller knob [C] counterclockwise. The developer will fall
out onto the paper.
5 .
Hold the unit at an angle and dump out the developer that has collected
at the ends of the development unit.
6 .
Repeat the above steps until you have removed all of the developer.
7 .
Clean the development end magnets.
8 . Turn the unit right-side up and pour in one bottle of developer (1 kg).
9
Put the used developer into the empty bottle or disposal bag and dispose
it according to the local regulations.
10 .
Reassemble the toner tank (2 screws) and replace the development unit.
5-17
16 April '88
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