3-14 Service Manual
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
1.
Touch HARDWARE TESTS from Diag Menu
2. Touch USB HS Test Mode.
3. Select the port you want to test.
Port 0
Port 1
Port 2
Port 3
4. Select the test for the port you chose:
Test J
Test K
Test SE0 NAK
Test Packet
Test Force Enable
5. While the test executes, USB High Speed Testing… displays.
To exit the test, restart the printer.
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