Chapter 2 Troubleshooting
2.4 How to use PC Diag.
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2.4.1.9.15 DEVELOPER BIAS AC TEST (Diagnostic Code 19)
This function applies AC voltage to the magnet roll as Developer Bias.
WARNING
Take great care that you do not receive an electric shock because the
AC voltage is high.
Use the up arrow, down arrow, left arrow, and right arrow keys to select [Developer Bias AC
Test] and press the [Enter] key; the screen below appears.
Then press the [Enter] key again to execute this processing.
The state of operation is displayed on the lower right of screen.
Press the [Esc] key, return to the DIAGNOSTIC MODE MENU.
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