IBM 1132 Theory Of Operation page 10

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provides additional clearance between the platen
and the printwheels when forms of increased
thickness are used (Figure 1-5).
Pressure Roller Release Lever. Operating this
lever toward the rear of the carriage releases
the pressure holding a form to the platen.
It
is
used when inserting new forms or when reposi-
tioning a form.
The pressure release lever
Figure 1-5. Left Side of Carriage
should always be in the released position when
the forms tractor is being used (Figure 1-5).
Platen Shift Wheel. Turning this handwheel moves
the carriage horizontally (Figure 1-5).
Lines Per Inch Adjustment.
This mechanism, locat-
ed on the right side of the forms tractor, allows the
operator to select vertical spacing of 6 or 8 lines to
the inch (Figure 1-5).
1. 5

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