Phaser 6121MFP Service Manual 6-41
Adjustments and Calibrations
Factory Test
The following tests are for factory adjustment only.
Signal Test
This test is for factory adjustment only.
Relay Test
This test is for factory adjustment only.
Sensor Test
This test is for factory adjustment only.
Dial Test
This test is for factory adjustment only.
Volume Test
Checks the volume of the speaker.
Panel Speaker Test
Checks the operation of the display and all indicators and buttons. When the 
panel buzzer test is finished, press the panel reset key twice.
RAM Test
Tests reading and writing of RAM memory.