Compaq AP550 Compaq Professional Workstation AP550 Maintenance & Service G - Page 107

Printer Problems, Table 4-5, Solutions for Printer Problems

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Diagnostic Tools 4-13 Table 4-4 Solutions for Display Problems continued Problem The picture is broken up; it rolls, jitters, or blinks. Screen goes blank. Monitor overheats. Cursor will not move using the arrow keys on the numeric keypad. Possible Solution Be sure the monitor cable is securely connected to the computer. In a 2-monitor system or if another monitor is in close proximity, the monitors may interfere with each other's magnetic field. Move them farther apart. A screen blanking utility may be installed or energy saver features are enabled. Press any key or type password. Wait a few seconds for the screen to become active. There is not enough ventilation space for proper airflow. Leave at least 3 inches (7.6 cm) of ventilation space. Also, be sure there is nothing on top of the monitor to obstruct airflow. The Num Lock key is on. Press the Num Lock key. The Num Lock key light should not be on when using the arrow keys. Printer Problems Problem Printer will not print. Printer will not turn on. Prints garbled information. Printer is offline. Table 4-5 Solutions for Printer Problems Possible Solution Printer is not turned on and online. Turn the printer on and be sure it is online. The correct printer drivers for the application are not installed. Install the correct printer drivers for the application. If the workstation is on a network, the printer may not be connected to the network. Make the proper network connections to the printer. The cables may not be connected properly. Reconnect all cables and check the power cord and grounded AC outlet. The correct printer drivers for the application are not installed. Install the correct printer driver for the application. The cables may not be connected properly. Reconnect all cables. The printer may be out of paper. Check the paper tray and refill it if it is empty. Select online.

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Diagnostic Tools
4-13
Table 4-4
Solutions for Display Problems
continued
Problem
Possible Solution
The picture is broken up; it rolls, jitters, or blinks.
Be sure the monitor cable is securely connected to
the computer.
In a 2-monitor system or if another monitor is in close
proximity, the monitors may interfere with each
other’s magnetic field. Move them farther apart.
Screen goes blank.
A screen blanking utility may be installed or energy
saver features are enabled. Press any key or type
password. Wait a few seconds for the screen to
become active.
Monitor overheats.
There is not enough ventilation space for proper
airflow. Leave at least 3 inches (7.6 cm) of ventilation
space. Also, be sure there is nothing on top of the
monitor to obstruct airflow.
Cursor will not move using the arrow keys on the
numeric keypad.
The Num Lock key is on. Press the
Num Lock
key.
The Num Lock key light should not be on when using
the arrow keys.
Printer Problems
Table 4-5
Solutions for Printer Problems
Problem
Possible Solution
Printer will not print.
Printer is not turned on and online. Turn the printer
on and be sure it is online.
The correct printer drivers for the application are not
installed. Install the correct printer drivers for the
application.
If the workstation is on a network, the printer may not
be connected to the network. Make the proper
network connections to the printer.
Printer will not turn on.
The cables may not be connected properly.
Reconnect all cables and check the power cord and
grounded AC outlet.
Prints garbled information.
The correct printer drivers for the application are not
installed. Install the correct printer driver for the
application.
The cables may not be connected properly.
Reconnect all cables.
Printer is offline.
The printer may be out of paper. Check the paper tray
and refill it if it is empty. Select online.