Polaroid Joshua Vision Service Manual page 34

Sequence of Operation .......................................................................................................... 2-3
Stages of Operation ............................................................................................................... 2-3
Loading Filmpack into Erected or Folded Camera ........................................................... 2-3
Powering Folded Camera for Dark-Slide when Filmpack is Inserted ............................... 2-6
Powering Camera when Film Door is Closed, Latched and then Erected ......................... 2-8
Maintaining Power for Processing after Camera is Folded ............................................... 2-9
Darkslide Transport and Counter Wheel Indexing ........................................................... 2-11
Exposing the Picture ........................................................................................................ 2-12
Blocking the Viewfinder ................................................................................................. 2-13
Releasing the Taking Mirror ............................................................................................ 2-14
Processing the Exposed Frame ........................................................................................ 2-16
Reseating the Taking Mirror and Opening the Viewfinder Blind ..................................... 2-19
Special Cases ......................................................................................................................... 2-23
Darkslide when Film Door is Opened and Closed ........................................................... 2-23
Folding the Camera during a Processing Cycle ................................................................ 2-24
Safety Clutch on Feed Roll .............................................................................................. 2-24
System Schematic .................................................................................................................. 2-24
2. Theory of Operation
Table of Contents
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