Lexmark X746de Service Manual page 212

7526
To interpret the test:
P:###### represents the number of times the serial port hardware has passed.
Initially, 000000 is displayed. The maximum pass count is 999,999.
F:###### represents the number of times the serial port hardware has failed.
Initially, 0000 is displayed. The maximum fall count is 999,999.
Any of the following explanations for a serial wrap test failure may display:
Receive Status Interrupt Error
•
Status Error
•
• Receive Data Interrupt Error
Transmit Data Interrupt Error
•
Transmit Empty Error
•
Threshold Error
•
Receive Data Ready Error
•
• Break Interrupt Error
Framing Error
•
• Parity Error
Overrun Error
•
Data Error
•
• Data 232 Error
Data 422 Error
•
• FIFO Error
DSR Error
•
DSR PIO Error
•
DSR Interrupt Error
•
CTS Error
•
• CTS PIO Error
CTS Interrupt Error
•
USB HS Test Mode
Touch HARDWARE TESTS from Diag Menu
1.
Touch USB HS Test Mode.
2.
Select the port you want to test.
3.
Port 0
Port 1
Port 2
Port 3
Select the test for the port you chose:
4.
Test J
Test K
Test SE0 NAK
Test Packet
Test Force Enable
While the test executes, USB High Speed Testing... displays.
5.
To exit the test, restart the printer.
Service Manual
3-14
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