Additional input tray diagnostics
Sensor tests
1 Enter the Diagnostics menu, and then touch Additional input tray diagnostics.
2 From the Sensor tests section, touch Start.
A dialog listing the sensor tests appears.
3 Find, and then manually toggle the sensor.
Notes:
• The sensor status on the screen toggles between 1 and 0 when the sensor is properly working.
• If a sensor test fails, the test failure may not indicate a failed sensor. Further troubleshooting may be
required. Check the boards and cables for possible issues.
Motor tests
1 Enter the Diagnostics menu, and then navigate to:
Additional input tray diagnostics > Motor tests
2 Select a motor, and then touch Start.
Notes:
• If the motor is activated, then it is properly working.
• Some motors require automatic deactivation in order to avoid secondary issues such as possible
damage and contamination.
• Some tests require a special action to activate a motor such as removing a major component.
• If the motor fails, the test failure may not indicate a failed motor. Further troubleshooting may be
required. Check the boards and cables for possible issues.
Service Engineer menu
Entering Invalid engine mode
This mode allows the printer to load the correct firmware code.
1 Turn o the printer.
2 Press and hold 3, 4, and 6 while turning on the printer.
3 Release the buttons after 10 seconds.
Entering the Service Engineer (SE) menu
To access the Service Engineer (SE) menu:
1 Turn on the printer.
2 When the home screen appears, press * * 4 1 on the control panel.
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General
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