Q2431-90912 Chapter 7 Troubleshooting 253
Self test
1. Turn the printer power off.
2. Hold down the S
ELECT ( ) button, and then turn the printer power on. Continue holding
down the S
ELECT ( ) button until all three printer control panel lights flash once and then
remain on. This might take up to 10 seconds.
3. Press the U
P ARROW ( ) button or the DOWN ARROW ( ) button until SELF TEST is
highlighted.
4. Press the S
ELECT ( ) button. The printer continues the power-on sequence and begins to
continuously printing configuration pages.
5. Press the Pause/Resume button to exit the self test.
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