Question about Computers & Internet
During a print op the printer stopped working. All lights are off. Suspect fuse or power supply issue.
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Posted on Jan 02, 2017
When that happens it is usually the motherboard.
To test parts you need a benchmark.
PSU can be tested using a multimeter.
Motherboard is tested using a tester like this one: PCI Test Card, PC Analyzer, Motherboard Test Card
Ram and CPU (CPU sometimes get damaged) are usually not damaged by this kind of problems, they can be tested mounting them on a working motherboard. For the RAM we also use a RAM tester that costs about $200.
Ensure also that the switch contacts to new motherboard are installed properly. A technician can test cabinet power switch using a multimeter, or carefully bridging with a screwdriver the switch on contacts on motherboard (do not do this unless you are sure about what you are doing)
Test the new PSU on a different socket, when a PSU blows , it may damage the main socket.
Also remember that new power supply units have two connectors. The big rectangular main one (24 pin) and a smaller 4 pins squared one.
As an home user you may not have access to testing equipment, therefore my suggestion is.
Ensure you are using the right PSU.
Ensure that the motherboard is connected to power switch.
Test the new PSU with a multimeter.
Examine the motherboard for blown or leaking components and burnt areas.
If you do not find anything, but the mainboard is still not working, then buy a motherboard-cpu bundle compatible with the PSU that you bought and assemble a new system inside the old cabinet.
Posted on May 04, 2009
Tips for a great answer:
Nov 28, 2011 | HP LASERJET P1005 Printer
Oct 24, 2011 | HP LaserJet 1020 Printer
all please make sure that all the cables from/to the printer are connected
properly. Now please use different power socket to make sure that the printer
is getting power. If so then we can reset the printer. To reset the printer
unplug it from/to the power socket and mains and let it sit without power for
more then 10 minutes and then replace all the cables and print a test page. If
still the issue is not resolved then you'll need to replace the printer cable.
Hope this helps...please post back for further assistance.
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