Oce 3122 Manual page 205

If you press the auxiliary brightness key on the Film
Projector's control panel when making copies from dark
images, the lamp will light brighter for the time that you
hold the key down to make the image easier to view.
If it is difficult to focus, slide the focus chart lever on the
front of the projector to the left. The focus chart is projected
to aid focusing.
NOTICE
After adjusting the focus, make sure that the focus chart
lever is returned to its original position. Otherwise, the
chart also will not be copied.
13 Press the [OK] key.
Press the Fresnel lens release lever to unlock the
14
Fresnel lens, and remove the 4 x 5 film holder.
Océ 3121 – Copying Manual – English
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