Ricoh Di-C1 Manual page 53

Shake each bottle 5 or 6 times before you install it.
When the toner bottle is installed, the bottle must be turned to the
right (clockwise).
This opens the bottle, and toner can leave the bottle.
AT-C1/C2: It is not necessary to turn the bottle to the right.
Slide 53
No additional notes
Toner Bottles
53
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