Lexmark 13P0195 - C 750dn Color Laser Printer, Руководство по обслуживанию

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3-22
Service Manual
5060-00 x
Serial Wrap Test
Use this test to check the operation of the Serial Port Hardware using a wrap plug. Each signal is tested. Only
displayed if the printer is configured with a standard serial port. If a serial port is available in the PCI slot 1, the
Serial 1 Wrap appears.
To run the Serial Wrap Test:
1.
Disconnect the serial interface cable and install the wrap plug.
2.
Select the appropriate Serial Wrap Test from the menu: Serial Wrap , Serial 1 Wrap , Serial 2 Wrap , or
Serial 3 Wrap . P and F represent the same numbers for DRAM.
The power indicator blinks indicating the test is running.
3.
This test runs continuously unless canceled by pressing Return or Stop .
Each time the test finishes, the screen updates with the result. If the test passes, the Pass Count increases by 1,
however if the test fails, one of the following failure messages appears for approximately three seconds and the
Fail Count increases by 1:
Once the maximum count is reached the test stops. The power indicator goes on solid and the final results are
displayed.
Receive Status Interrupt Error Data Error
Status Error Data 232 Error
Receive Data Interrupt Error Data 422 Error
Transmit Data Interrupt Error FIFO Error
Transmit Empty Error DSR Error
Threshold Error DSR PIO Error
Receive Data Ready Error DSR Interrupt Error
Break Interrupt Error CTS Error
Framing Error CTS PIO Error
Parity Error CTS Interrupt Error
Overrun Error