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6-4 Dell PowerEdge 6100/200 System Installation and Troubleshooting Guide
Troubleshooting a Parallel Printer
If the procedure in the preceding subsection, “Trouble-
shooting the Basic I/O Functions,” indicates that the
problem is with a parallel printer, follow these steps:
1. Turn off the parallel printer and computer.
2. Swap the parallel-printer interface cable with a
known working cable.
3. Turn on the parallel printer and computer.
4. Attempt a print operation on the parallel printer.
Does the print operation complete successfully?
Ye s . The interface cable must be replaced. See Chap-
ter 11, “Getting Help,” for instructions on obtaining
technical assistance.
No. Continue to step 5.
5. Run the parallel printer’s self-test.
See the documentation that came with your printer
for information on the self-test.
Does the self-test complete successfully?
Ye s . Continue to step 6.
No. The printer is probably defective. If the printer
was purchased from Dell, see Chapter 11, “Getting
Help,” for instructions on obtaining technical
assistance.
6. Attempt another print operation on the parallel
printer.
Does the print operation complete successfully?
Ye s . You have fixed the problem.
No. See Chapter 11, “Getting Help,” for instructions
on obtaining technical assistance.
Troubleshooting a Serial I/O Device
If the procedure in the preceding subsection, “Trouble-
shooting the Basic I/O Functions,” indicates that the
problem is with a device connected to one of the serial
ports, follow these steps:
1. Turn off the computer and any peripheral devices
connected to the serial ports.
Are two serial devices connected to the computer?
Ye s . Continue to step 2.
No. Go to step 4.
2. Disconnect the devices from serial ports 1 and 2,
and connect the malfunctioning serial device to
the opposite port.
3. Turn on the computer and the reconnected serial
device.
Is the problem resolved?
Ye s. The serial port may be defective. See Chap-
ter 11, “Getting Help,” for instructions on obtaining
technical assistance.
No. Continue to step 4.
4. Turn off the computer and the serial device, and
swap the interface cable (that connects the device
to the serial port) with a known working cable.
5. Turn on the computer and the serial device.
Is the problem resolved?
Ye s. The interface cable must be replaced. See Chap-
ter 11, “Getting Help,” for instructions on obtaining
technical assistance.
No. Continue to step 6.
6. Turn off the computer and the serial device, and
swap the device with a comparable working
device.
For example, if the serial mouse has a problem, swap
it with a serial mouse that you know is working
properly.
7. Turn on the computer and the serial device.
Is the problem resolved?
Ye s. The serial device must be replaced. See Chap-
ter 11, “Getting Help,” for instructions on obtaining
technical assistance.
No. See Chapter 11, “Getting Help,” for instructions
on obtaining technical assistance.