IBM IntelliStation M Pro 6218, Problem Determination And Service Manual

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Printer problems
v Follow the suggested actions in the order in which they are listed in the Action column until the problem
is solved.
v
See Chapter 3, “Parts listing,” on page 65 to determine which components are customer replaceable units
(CRU) and which components are field replaceable units (FRU).
v If an action step is preceded by “(Trained service technician only),” that step must be performed only by a
trained service technician.
Symptom Action
The printer does not work. Make sure that:
v
The printer is turned on and is online.
v The printer signal cable is connected to the correct serial or parallel connector
on the computer (see “System-board external connectors” on page 7).
Note: Non-IBM printer cables might cause unpredictable results.
v
You have assigned the printer port correctly in your operating system or
application program.
v
You have assigned the printer port correctly in the Configuration/Setup Utility
program.
v
You have run the tests that are described in the documentation that comes with
the printer.
Serial port problems
v Follow the suggested actions in the order in which they are listed in the Action column until the problem
is solved.
v
See Chapter 3, “Parts listing,” on page 65 to determine which components are customer replaceable units
(CRU) and which components are field replaceable units (FRU).
v If an action step is preceded by “(Trained service technician only),” that step must be performed only by a
trained service technician.
Symptom Action
The number of serial ports that
are identified by the operating
system is less than the number
of installed serial ports.
1. Make sure that:
v
Each port is assigned a unique address in the Configuration/Setup Utility
program and none of the serial ports are disabled.
v The serial port adapter (if one is present) is seated correctly.
2. Replace the failing serial port adapter.
A serial device does not work.
1. Make sure that:
v The device is compatible with the computer.
v
The serial port is enabled and is assigned a unique address.
v The device is connected to the correct connector (see “System-board
external connectors” on page 7).
2. Reseat the failing serial device.
3. Replace the following components one at a time, in the order shown, restarting
the computer each time:
a. Failing serial device
b. (Trained service technician only) System board
Chapter 2. Diagnostics
35