Diagnostic aids 3-13
5026
Serial 1 Wrap
The Serial 1 Wrap Test is used to check the operation of the serial port hardware using a wrap plug. Each serial
signal is tested.
To perform the Serial 1 Wrap Test:
1. Disconnect the serial interface cable, and install the serial wrap plug.
2. Select HARDWARE TESTS from the Diagnostics Menu, and press Select ().
3. Select Serial 1 Wrap, and press Select ().
The power indicator blinks indicating the test is in progress. The following screens appear
Upon completion of the POR, the following screen is displayed:
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 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
Serial Wrap [x] Testing…
Resetting the
Printer
Serial Wrap
P:###### F:####