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Adjusting the copy exposure manually, Operating procedure – Canon PC 140 User Manual

Page 35

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Operating Procedure

33

2

Exposure recalibration switch

Darker

Lighter

Darker

Lighter

To make darker copies, move the switch upward.
To make lighter copies, move the switch downward.

If this does not produce the desired results,
follow the procedure below.

Adjusting the copy
exposure manually

When the auto exposure control mode fails to
produce a clear copy due to an unusual
original type, it may be necessary to adjust
the copy exposure manually depending on
the original.

Press the

key to switch to manual

exposure control mode.

The A indicator lamp will no longer be lit.

Make sure the A
indicator goes out.

Darker

Lighter

A

AE

Normal Copying

Adjust the exposure level by sliding the
exposure adjustment lever.
To darken the exposure, slide the lever to
the right.
To lighten the exposure, slide the lever to
the left.

Guidelines for exposure level

adjustment

Ordinary Originals :Slide the lever to the

center

Originals with a Dark Background :

Lighten the exposure by
sliding the lever to the left

Light Originals :

Darken the exposure by
sliding the lever to the
right

NOTICE:

The exposure adjustment lever can not be used
while the auto exposure control mode is set.

The lever can only be used after the

key has

been pressed and the A Indicator is no longer lit.

• When making color copies, lighten the copy

exposure manually to avoid the dark shading
that appears when color copies are made in the
auto exposure mode.