Question about Canon PC-D320 Copier

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Sticking "GO" button

I need to open the case to swap the microswitch. Can you tell me how to do this please?

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You open the controll panel and see the switch there

Posted on Sep 14, 2007


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1 Answer

Logitech mouse left button does not work

That is a circuitry problem. You can try this following procedure if you can. --unscrew and open your mouse casing. --you need a tester (VOM) to test the wiring continuity. If one of the wire is open connection you can replace it with a new USB or PS2 connector. If all the wire is shorted, proceed to the next step. --Check if the microswitch is ok by testing the pin connection using the tester. Microswich has 3 pins, test only the soldered pins. When you press the switch, it might be shorted. If not, replace it with a new microswitch.
Microswitch and USB/PS2 connector are available in all electronics shops.

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If you are sure that after putting in labels the head knob has been completely turned clockwise, thus locking the head in operating position, then most probably your head sensor is defective.
In this model it is, if I remember correctly, a small microswitch located to the left of the head assembly; a steel slider attached to the assembly moves down with the head, pressing a small metal "tongue" on the microswitch, which in turn presses a tiny prong sticking out of the microswitch. It looks similar to this:
The tongue sometimes falls off due to wear and tear. If this is the case, a temporary solution is to insert a toothpick or something similar to press this tiny prong on the microswitch, which will let you print, and order a serviceperson to replace this sensor.

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I have a Samsung SMH9187 microwave oven that is about 9 months old. Just a few days ago, we opened the door to put something in and the fan instantly turned on. Closed the door and it stopped until we...

This problem is caused by a microswitch that is sticking in the closed position. Inspect and replace the defective microswitch in the latch assembly.

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Water button sticking

Replace that microswitch for the dispenser lever. It might not be a separate switch though, it may be part of the control board for the dispenser module. disconnect power to the fridge, remove the dispenser cover to expose the wiring, etc., determine what the lever actuates when depressed, and it will likely be the microswitch separate from the board.

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Sensor says it's full; it's not full and won't operate

Check for a sticking float arm. The float arm activates a microswitch when the tank is full. Also look for a sticking Microswitch. Here is a picture of the float arm.......follow the arm to the location of the microswitch. If neither are stuck, look for a loose wire in series with the microswitch. Hope you find this to be very helpful moving forward. :-)


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1 Answer

Buttons on Medion MD 97000 don't work after reload

You could always physically switch the cable that goes to your 'reset' button with the one goes to the 'on/off' button and that way you could turn your pc on by clicking on the 'reset' button.
In other cases the problem is actually a little microswitch the is connected to the motherboard and that is indicating and sending a signal to the bios that the case had been opened.
One way is to find that microswitch (usually somwhere at the edge of the inside panel) and to disconnect it's wire from the mother board... the second way is to get into the bios (by hitting the 'del' key or as indicated at startup) and find the line that says 'halt on case opened error' or something similar to it or disable this function.
Good luck.
Hopefully it was informative enough for you to rate my response,
Thank you for using agadycom.

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1 Answer

Clock is flashing - no other buttons will work

it sound like the keypad has died does happan on sharps does the light come on when you open the door ,onother problem that can happen is if one of the microswitches is sticking from storage ,if they are not working in sync then the keypad won't work
cheers grant

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1 Answer

The button under my mousepad on my laptop keeps sticking bad. i spilt some pop on it a few week ago what can i do? can i sort it myself?

If you are good enough in opening the casing of a laptop & then safely closing it back,then you may try opening the casing & the keyboard.The mouse touch pad is usually a seperate unit attached with MB with a thin film cable.You have to carefully remove it from its connector & then try cleaning it with any cleaning spray.I am not very optimistic about it as usually the "touchpad" is a sealed unit & the tiny microswitches will be sealed inside the housing!

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2 Answers


The problem should be defective keypanel.Try replacing the switches .
It should solve your problem.
Please provide feedback and rate this solution.

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2 Answers

The chrono won't stop

the part of the button that passes through the case activates another seperate microswitch inside which sounds like it is stuck. you could possibly unstick it by giving the watch a sharp whack, if that doesnt do it then the watch has to be opened, and the microswitches are normally fairly accessible when the back is off. Unless you are very competent mechanically and have all the replacement battery and seals and screw sealant available then although it is not a hard job to open the back with the right tools - you probably wont do the watch any favours, and it is also possible that the microswitch may need replacing. if you want to try yourself, open the back of the watch and post me back a close up photo or two of the inside - i could talk you through what to check. If you want info on you nearest casio dealer, go to this link; if you can deal with the Hebrew Hope this helps, please post back if you need more help :)

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