Polaroid Joshua Captiva, Service Manual

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The film pack frame and platen assembly mounted on the film loading door permit easy insertion and removal
of a film pack. As shown in Figure 2-2, these parts accurately position the topmost frame in the correct optical
plane for exposure, when the door is closed.
Figure 2-2. Film Pack Positioning when Door is Closed
The second result of inserting a film pack and latching the door closed — powering the camera — is
accomplished by the Erect (Power) Switch shown in Figure 2-3, one of two wireform switches in the
Joshua. (The other switch controls logic functions and is located next to the drive mechanism, timing gear
and pick carrier assemblies.)
The Erect Switch is located on the opposite side of the mainframe from the drive assembly, near the lower
erect link, door latch and film shade, on which it depends for operation.
Figure 2-3. Erect (Power) Switch (See Figure 2-5)