IBM 19 - Manual (Page 45)

2. Grasp the two green latches, one at each end of the cartridge,
and raise them straight up (fig. 2.7) to open them.
3. Holding the developer cartridge by the green latches, gently
lower it into the open cartridge slot closest to the back end of
the printer until it seats firmly under the securing latches (fig.
2.7).
Fig. 2.7 Load Developer Cartridge (front view)
Chapter 2
I n i t i a l P r i n t e r S e t u p 2 - 1 3
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