Question about HP LaserJet 1320 Printer

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Problem in power supply

1 i can check power cord

2 replace the power cord

3 i have 1320 hp

ok plese help me

Posted by Bhaa on


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You changed the cord or the power supply?

Posted on Oct 26, 2007


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Plese help me t2300 error 21:13

System Error: 21:YZ
Problem Description: Failure moving Service Station
Corrective action: Try the following:
1. Switch the power off from the back of the product and disconnect the power cord. Check
the Primer Tubes. Reconnect the power cord and power on the product.
2. Make sure that the Service Station path is clear. Remove any visible obstacles (screws,
plastic parts, etc.) restricting the movement of the Service Station.
3. If the carriage has stopped over the service station, on the right side of the product, check
that the cutter is not activated. The cutter may be blocking the carriage over the service
station, preventing the service station from performing the movement correctly. The cutter
is on the left side of the carriage.
4. Perform the Service Station diagnostic test to troubleshoot the problem further. See
Service Station Test on page 102.
5. Replace the Service Station. See Service Station on pag

Mar 01, 2014 | HP Designjet T2300 Inkjet Large Format...

1 Answer

HP DeskJet 3745 Printer , My Printer Cant Turn ON , Tested PW Adapter OK , How To FIx It .....Help Me!!!

Some products require time to turn on. These products might or might not give feedback in the form of blinking light(s). Wait a minute for the power light to turn on before proceeding to the solution.If your product does not respond when you try to print, press any button on the product to wake it from power save mode. Wait for the product to initialize, and then try to print again.
Try the following solutions in the order presented to resolve the issue. When one of the solutions resolves the issue, there is no need to continue troubleshooting.Solution one: Press and quickly release the Power button Press and quickly release the Power button (c01602202.gif ) to start a Power On/Off cycle. Do not hold down the button Figure 1: Press and quickly release the Power button If you press and hold the Power button too long, the product might turn on and then off without restarting. If this happens, press and quickly release the Power button (c01602202.gif ) again.If these steps resolved the issue , you do not need to continue troubleshooting.If the issue persists , continue to the next solution Solution two: Check the electrical connections and outlet Unplug the power cord from the electrical outlet, or the power strip or surge suppressor Carefully inspect the power cord for visible damage.If the power cord or power module shows any damage, contact HP to replace the power supply. Disconnect the power supply from the rear of the product.Wait at least 30 seconds, and then plug the disconnected power supply into an electrical outlet. Do not use a power strip or surge suppressor.If the green light (LED) on the power supply does not light up, contact HP to replace the power supply.Reconnect the power module to the product. Press and quickly release the Power button (c01602202.gif ) to turn the product on.If the product still does not turn on, connect the product to an electrical outlet in another room, and then quickly press and release the Power button (c01602202.gif ) to turn the product on.If the product turns on , the electrical outlet in the original room caused the issue.If the product still does not turn on , continue with the next solution.Solution three: Check the USB cable Disconnect the USB cable from the rear of the product.Figure 2: Disconnect the USB cable from the HP product Press the Power button (c01602202.gif ) to turn on the product.If the product turns on with the USB cable disconnected , replace the USB cable If the product still does not turn on , continue to the next solution.Solution four: Check the battery If your HP product has a battery, follow these steps:Check the battery light. If the light is red,recharge the battery.If the battery light is still red after recharge, replace the battery.Figure 3: Removing a battery (example only) 1 - Slide the battery release slider in the direction of the arrow 2 - Remove the battery Instructions for recharging and replacing a battery are available on the HP Web site.Solution five: Replace the power supply If you have completed all of the troubleshooting steps and are still experiencing a problem, contact HP to replace the power supply for your product Solution six: Service the product If you have completed all the preceding steps and are still experiencing a problem, service the product

Oct 03, 2011 | HP DeskJet 3745 Printer

1 Answer

Tread mill light up but dont run

Dear Sir:
Hello I hope everything is o.k
I will help you , please try to do the following:
1)Plese turn off the power cord.
2) With a DVOM Digital Voltimeter, inspection for Continuity wires(Power Cord).
3) Reset the circuit breaker from the equipment.try again
4) Check if some wires is loose, re-solder .
5) Check with the DVOM,the primary winding for transformer, and secondary winding and see if there voltages are o.k . Smell and SEE, if some component around the transforme(power supply) like capacitor, resistor, diode, transistor are burn, or open, or shorcircuit. Replace.
6) Inspection the button of Start, check continuity , clean contact with some spray special for clean contact (Radio Shack).
7)Inspeccion the relais or contactor, if are closing and clean the contact.
8) Finally PCB faulty and Replace.
Thank you in advance, sincerely. Blessing.
If you need some additional Help, please contact me.

Sep 24, 2011 | Exercise & Fitness

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Battery of my Acer Aspire 4810T does not work. With the power supply plugged in, the indication of the battery is "85% available (plugged in, not charging). If the power cable is disconnected, the...


There are three possible reasons why your computer is experiencing this power problem. What you need to do is to isolate the component that's causing it.

These are the parts which should be checked:
1. Power supply
2. Battery
3. Motherboard of the laptop.

Here's the procedure that you have to follow:

Remove the battery from the computer.

2. Power the computer up with the power cord only without the battery on it.

3. Check if it works perfectly without any problems even if the battery is out. If it works, then, the battery needs to be replaced. (Note: Batteries are disposable parts. They usually die after 2 years of usage depending on how you use it.)

4.If no go even without the battery on it, check the ac adapter or cord if there's a light lit on the box of the cord. If no lights on it, double check the connection. If connections seem ok but no power, then, replace the power cord.

5. If power cord seem fine, check the hole in the computer where you plug in the cord. What you need to check is if there are any sign of damages. Wiggle the cord and see if there are lights lit in the laptop.

I hope this help.


Apr 13, 2011 | IBM ThinkPad T40 2373 Notebook

1 Answer

Hi, my HP Pavillion a1240n won't start up... the wall plugs work and the power supply is plugged in but no lights are showing. I've also been flipping the switch beside the power supply at the back, and...

There are only certain items that will not power up a machine. 1. The power supply itself could be gone. 2. Check your ram. 3. Your hard drive. In most cases it is the power supply. Take out the power supply from the machine and plug it in to a wall socket. If it starts that it is not the power supply. If it doesn't start replace the power supply.

Dec 05, 2010 | HP Pavilion a1240n (EG136AA) PC Desktop

1 Answer

It will not turn on please help me

Hello, I will try my best to help you, ok? I need to ask you a couple of questions so I can understand your situation more clearly ok?
1) Do you have your power cord plugged into a Power Strip or surge protector? If so, check and make sure that the switch is ON and/or the surge protector button has'nt been tripped.
2) Is there any sign of power to the Power Supply Box that your power cord is plugged into? (ie: led light, or sound of the fan inside of the Power Supply Box?)
3) Is the outlet that you are connected to live with power? (try plugging a lamp into the socket to make sure)

After you have ruled out the above possibilities, let me know, and we will go from there, ok?

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1 Answer

I have no power to the printer to my canon pixma mp780. why? Saw another on E-bay with same problem. Cord is Ok - checked it w/ meter.

This is what the service manual says:
(1) Check the power cord
(2) Check the connection between
the SPCNT board (JPSU1) and
power supply unit.
(3) Replace the power supply unit.

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Hp 2840 Laser Jet wil not power on

this sounds like a low voltage power supply issue. your low voltage is soley for powering up the machine 
part number RH3-2260 

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