USB HS Test Mode
1 From the Diagnostics menu, navigate to:
Hardware Tests > USB HS Test Mode
2 Choose the desired port, and then choose the desired test.
Ports Tests
Port 0
Port 1
Port 2
Port 3
Test J
Test K
Test SEO NAK
Test Packet
Test Force Enable
Single Step Get Device
Single Step Set Feature
3 To exit the test, POR the printer.
4 If the test fails, replace the failing USB cable.
Beacons Test
Run this test to illuminate all LED beacons on the printer. All beacons will remain illuminated in their solid “on” state
until the user presses Off. All beacons return to their previous state when the printer returns to normal mode, so if a
beacon was activated before entering Diagnostics mode, then it will be activated when in normal mode.
Note: This test is only available for MX81x models.
To run the test:
1 From the Diagnostics menu, navigate to:
HARDWARE TESTS > Button Test
2 Choose one of the following:
• On—Illuminates all the LED beacons on the printer
• Off—Turns off all the LED beacons on the printer
3 Press X or Back to exit the test.
DUPLEX TESTS
Quick Test
The Duplex quick test determines if the top margin at the back of a duplexed page is set correctly. This test prints a
duplexed version of the Quick test page that can be used to adjust the duplex top margin. Use either Letter or A4 paper.
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