Developer Replacement - Ricoh FT7770 Service Manual

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30
April, '89

2. Developer Replacement

1.
Remove the development unit cover (1 screw).
2.
Remove the developer exchange plate [A] (1 screw).
3.
Close the doors and use SP 1-1 (Tribo charge) for about 1 minute to
dump the old developer.
4.
Turn off the main switch.
5.
Clean and reinstall the developer exchange plate.
6.
Remove the development unit.
7.
Remove the developer catch pan [B], and dispose of the old developer.
Then, reinstall the developer catch pan.
8.
Remove the developer inlet cover [C] and pour two kilograms of
developer into the development unit.
turn the paddle roller knob
developer.
9.
Reassemble the machine and use SP 1-1 (Tribo charge) for 3 minutes.
While pouring in the developer,
clockwise to evenly distribute the
[D]
5-22

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