Question about Canon PIXMA MP520 InkJet Printer

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Power down Put new cartridge in switched off and at next need to start up, no power. Checked leads for power ok.

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  • fanfare4 Jun 22, 2009


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    Michael Grey May 11, 2010

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Try removing the printhead and turning on power, if it works you need a new printhead.
QY6-0070-000 around $40.00

Posted on Jun 26, 2009


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SOURCE: I have freestanding Series 8 dishwasher. Lately during the filling cycle water hammer is occurring. How can this be resolved

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Posted on Jan 02, 2017


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Hi, I would start by checking there is a click when the button is pressed, if that is ok then that means the starter relay is ok, then I would put some jump leads and use another battery, just to make shore your battery is discharging enough power, if it still doesn't work take out the starter motor and connect it to the battery just to see if it is ok

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First, check the obvious. Check your battery. Next, if you have a multimeter, turn your multimeter to continuity setting (where you hear a beep when two ends touch). Then with multimeter, check all safety switches, push in and let out with probes of meter on leads of switch, you will hear meter beep as you push switch in and out. If all switches are good, test keyswitch with test light. You should have power at back of terminal that red wire leads to on your keyswitch. Next, take test light and touch to small single post on solenoid(not large red leads). Turn key over and observe light. If test light comes on all is good and you need a new solenoid. You can find a lot along the way. This process will narrow down your search. Remember, brake pedals and seat switches will need to be depressed to test solenoid or no power will be going to post. Goodluck!

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You can bypass the switch to check if the motor is okay.
More often than not an intermittent operation of a machine is actually due to a break in the power lead. This is not always apparent externally though. You may need to get this checked by a qualified / certified person.

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Ok , 1st- open the case , on the back of your computer your going to see 4 screws ,that hold in thepower supply , undo those 4 , and than you have power leads, to the motherboard that there is a tap to pursh to release them , do that next .2nd - you have the power on/off switch that needs to come out with everything , maybe 2 screws that hold that in , now your done , just put the new one in starting with the on/off buton and work backwards .....................Good luck , its really easy .........Roy

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Won't turn over or anything,But radio and lights come on when you turn the key over.

Check that the main lead to your starter motor is not broken. You havent said if you get any sound or not when trying to crank your engine, without this information its a bit hard to pinpoint where the possible problem could be, but, I wil give you some clues if I can. As ive said check all battery leads at the battery end and at the starter end, Check that it is not a lead that has come off youre ignition switch, check that it not a faulty ignition switch, also check that it is not the inhibitor switch fitter to auto gearboxes (if its not in netural or park it wont start) wriggle/move the gear selector slightly while holding the ignition key in the start position, this is probably the most likely problem, but without further information thats all I can help you. i hope one of my solutions sorts out your problem.

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Hi: no power from supply opened box and checked fuse - its ok! The computer had a virus and that was fixed restarted computer and it worked ok, the next day pressed start button and nothing happened....

Test your PSU or replace it if your power supply units fan is not working your PSU is faulty

One bad lead can cause a computer to continue on a cycle or to shutdown or fail to detect/ boot up a computer hard drive

Test all leads that attach to your hard drive including electrical extensions,IDE,SATA

the leads from your ((motherboard to your hard drive)) make sure they have a secure connection and are not faulty or just replace them there probably old and faulty
make sure all leads that are attached to your drives dvd\cd 3 1/2 inch floppy have secure connections and are not faulty even the electrical extensions or just replace them they are probably old and faulty a computer needs its connections to have an end so any faulty leads will end up with a computer error

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Check the float switch. Sometimes you can jiggle it around to get it working. Also check the leads going to the water inlet to see if you have power unit must be started to check this. If you have power to the valve it has failed if not check that float switch for continuity. One of the leads from the water inlet goes to the float switch.

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Usualy the electrical problems are not due to wires if the fuse did not burn out. More often it would be a bad fan motor or fan switch. If you have an electrical testor find out if there is power going to the motor by placing the testor leads on both sides of the switch when it is on. This may require you to take the dash appart a little. Or you can short circuit the switch by puting a small wire accross the leads to the switch in order to bipas it. If the fan turns on the motor works and the switch is bad. If you are ok with taking part of the dash appart then you can always attach a battery with leads to the motor directly to see if it works.

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1 Answer

Cant print using Canon Pixma MX300


1. Disconnect the power cable
2. Connect it while holding down the power button
3. With the power button still down, press twice the "Cancel/Stop" red button
4. Release the power button
5. The prints turns into a kind of factory mode...(wait for about 10 seconds, utile it says "Idle")
6. Press the ">" (next to the "OK" button) once.” Shipping Mode 3"
7. Press the "OK" button.
8. Press "OK" again for "Without cleaning"
9. A test page will print.
10. Open the cover, like you are about to change the cartridges.
11. Disconnect the power cable again.
12. Take out both cartridges.
13. Close the cover.
14. Connect the power cable once again.
15. Turn the printer on.
16. Now just put the cartridges back...

Or try this

Here the Solution to reset the ink level for Canon Pixma MX300 follow this steps to reset the ink level in your canon MX300.
  1. Switch off the Canon MX300 and disconnect the power cable.
  2. While press and hold the power button, Connect the power cable to electric socket.
  3. While pressing the power button, press the “Cancel/Stop” button (red button).
  4. Now release the power button and the printer turns into a kind of factory mode. Wait for 10 seconds until it says “idle”.
  5. Press “>” (next button) once “Shipping Mode 3′ then Press the “OK” button. Press “OK” again for “without cleaning”.
  6. A test page will print.
  7. Open the cover, like you are about to change the cartridges.
  8. Disconnect the power cable again without switch off the printer.
  9. Take out the both cartridges.
  10. Close the cover.
  11. Connect the power cable and turn on the printer.
  12. Now just put the cartridges back and the ink level in the canon Pixma MX300 have full again.

Please come back and just gave a vote, it will gave me some satisfaction to know am helping some one so I will keep on helping.
All The Best: Pineworks

Sep 08, 2009 | Canon PIXMA MX300 All-in-One Printer

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