737 Flight Crew Operations Manual
Communications -
Controls and Indicators
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5.10.8 D6-27370-866-EGP
4 Message Light
Illuminated (blue) -
• incoming message to printer or
• test in progress
5 Paper Light
Illuminated (amber) - paper quantity low.
6 Fail Light
Illuminated (amber) - printer failure or test in progress.
7 Paper Quantity Indicator
Indicates amount of paper remaining.
September 15, 2016