Printer servicing

Make sure that you are using the up-to-dated driver for the printer.
To get the optimized performance from your printer, select the “Best Quality” in the properties of your printer.
Clean your printer regularly with soft cloth and cleansing lotion.
Power down your printer properly.
If you are using more than one printer in your network, make sure that you are using a very descriptive name of your printers.
For getting the technical and additional information about your printer consult the printer’s manual.
Run the inkjet printer's cartridge-cleaning utility.
Miscellaneous Tips

Avoid vibrations and shocks to your computer system while it is working.
Before changing any hardware device inside your computer first shut down the computer and unplug it.
Don’t put any liquid or drinks near your computer hardware.
Keep the air filters and the ventilation paths clean to provide the easy passage to the air in and outside of the computer.
Plug the computer devices’ cables, connectors and screw tightly.
Use UPS (uninterrupted power supply) to avoid the data lost of system crash due to the power failure.
Use POST card in your computer.  POST stands for Power On Self Test it helps to troubleshoot the common startup problems.
Use the Device Manager utility in the Windows based computer to diagnose and troubleshoot the devices problems in your computer.
To avoid the overheating in your computer, make sure that the processor and the computer fans are working fine.
Always keep the case of your computer close.
When your newly installed hardware device does not work, it is most likely due to the hardware conflict, incompatibility, misconfigurations, outdated drives and loose cable connections.  You also need to follow the manufacturer’s instructions carefully.
If you are a computer hardware technician, make sure that your toolkit is equipped with the screw drives, extra jumpers blocks, masking tape, compressed air, flash light, bootable cds, devices’ drivers, hardware diagnostic utilities, connectors and testers.