Lexmark Optra N model 245 Service Manual - Page 65
Auto Clean Delay, Button Test, Charge Roll, Diagnostic Aids 3-4
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4049-XXX Auto Clean Delay This can be set from 1 to 60 seconds with a default of 1. 1. Enter Diagnostics mode. 2. Select [PRINTER SETUP]. 3. Select [Auto Clean Delay]. 4. Select [+] or [-] to display the delay desired. 5. Select [Save]. 6. Press Return to return to the Diagnostics mode main menu. Button Test To test the operator panel buttons: 1. Enter Diagnostics mode. 2. Select [HARDWARE TESTS]. 3. Select [Button Test]. 4. Press each button. [Closed] is displayed until the button is released. Then [Open] is displayed. 5. Press Return to return to the Diagnostics mode main menu. Charge Roll This setting varies the charge roll bias. It is used to reduce background on the output. In general, if there is background and the environment is hot and humid, change the setting to low; if the environment is cool and dry, change the setting to high. If the background is not reduced, try changing the setting the other way. 1. Enter Diagnostics mode. 2. Select [PRINTER SETUP]. 3. Select [Charge Roll]. 4. Select [High], [Medium] or [Low]. 5. Press Return to return to the Diagnostics mode main menu. Diagnostic Aids 3-4