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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Re: Sticking "GO" button

You open the controll panel and see the switch there

Posted on Sep 14, 2007

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try this:Test if microswitch who tell to printer that front door i closed is working propertly.If you can't test just make By-pass microswitch in your resposibility (because the printer will wor even you open a front door)I have the same error and I sloved in this way.

Sep 08, 2011 | Samsung SCX4623F Laser All-in-One Printer

1 Answer

When i press start button on my Canon Gp225, it doesnt respond.. it dont even give any error msg also.. i tried loading more papers n closed the paper tray properly also.. tht gives proper sound also.. but...

if the start button doesn't responds could be that the microswitch/contact of start button needs to be cleaned/resoldered/changed.
You can try to apply small ammount of wd40 on the edge of start button. In some cases helps as first aid.

Call service!

Hope that helps!!!

Aug 29, 2011 | Printers & Copiers

1 Answer

I keep getting a message saying my door is open but it is closed all of the way

check the microswitch contact where the door closes, it may be sticking or damaged

Jul 12, 2011 | HP Printers & Copiers

1 Answer


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.

Sep 24, 2010 | Toshiba TEC B-882 Thermal Label Printer

1 Answer

Why does the paper light keep blinking even though paper is loaded correctly in the tray?

Check the microswitch inside the printer paper tray. Turn off the printer first and unplug it. There is a sensor switch that may need cleaning from paper dust, or the microswitch that tells the printer there is paper there may be bent, good luck

Jul 11, 2010 | Brother HL-2040 Laser Printer

2 Answers

The resume button keeps flashing even after I shut off printer, and won't allow me to print. I turned off and on the printer several times. I don't get an error message. All ink is OK.

Make sure the ink cartridge cover is properly closed.

My sister's printer had a similar problem and on initial inspection the cover seemed to be closed, however a small bit of the plastic clip that holds the cover closed had snapped off and therefore wasn't holding the cover properly closed and the sensing micro switch that tells the printer the hatch is closed wasn't being activated.

Not very scientific and a bit of a bodge, but some suitably placed selotape / duct tape / insulating tape to hold the cover firmly closed did the trick.

Hope this helps.

Aug 11, 2009 | Canon PIXMA iP4200 InkJet Photo Printer

2 Answers

It is telling me to close the back cover but it is closed

There is a switch which tells the machine that the cover is open , some are mechanicl soem are electical

The mechanical one will have a small hole in the machine casing and a small peg on the lid

The peg goes through the hole and activates a microswitch

If you can see the hole and use a torch you will be able to see the microswitch lever , use a cotton bud or similar to press it to the closed position , do not press it too hard

Switch the machine on while holding it in and see what happens

If it works then the lever of the switch may need to be bent slightly towards the peg to get a connection

The other sensor type is a reed and magnet which is a a bit more difficult to test.

You can get a door magnet from a fridge and run it over the surface , the actual reed will be behind the casing but there should be a metal plate on the lid

Jul 08, 2009 | Brother MFC-7820N Laser Printer

2 Answers

Cover Open issues

u will have to find out a little Button, which is pressed by the cover when u close it,,, now find out the little button and press manually and then try to print .... it will work properly....
take care


Jun 20, 2009 | Dell 926 All-In-One InkJet Printer

2 Answers


Hi Malcom
Go in servicemode(use a long L&key to press the microswitch)
You will find the microswitch by openning the front cover and on the left upper part under the controll panel you will see a very small hole were you have to insert a long,thin L&key to press the microswitch.
If you have pressed the switch a "$" sign will apear on the screen.Press *6* and page to the web counter,press clear and then ok.
After this is done press *4* and page to error press ok and switch machine on and off.

That should do it

Jan 16, 2009 | Canon NP 6050 Copier

1 Answer

Printer error 1003

Bought an Epson printer. Cheaper than a repair

Jun 11, 2008 | Canon PIXMA iP1500 InkJet Photo Printer

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