Gestetner 9920 Operator's Manual page 107

Maintaining Your Machine
F
Insert the end plate into the A4 slot as shown.
G
Remove the side rail (Squeeze in one of the plastic tabs on the underside of
the cassette to loosen it).
5
H
Replace the side rail in the A4 slots.
Note
There are two sets of slots and they are marked on the base. Make sure that
the upper and lower tabs on the rail both fit in the inner set of slots.
I
Repeat steps G G G G and H H H H for the other rail.
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