Canon NP 6551 Black and White Copier
Problem for Canon NP 6551 Black and White Copier

Canon NP 6025 Main switch is broken, can't find parts.




By She_Devil on Dec 10, 2007

" "
The main on/off switch would not stay on without holding the button down. I've removed the switch, and started searching online and making phone calls, but can't find anyone that has a replacement part. It's a special switch. My first question is does anyone know where I can purchase a switch from...maybe a copy machine graveyard? My second question is if not, I'm not sure what the middle connections are controlling. Can I just ignore them and find a normal switch and replace it with that? The switch is manufactured by Matsushita part # aj8r5044zzt01.
Comments:

Dec 11, 2007

- Thank you!

Dec 11, 2007

- After looking over the different model numbers, the switch I have is a 1-pole, double throw (on-on). Both of the other switches are 2-pole, single throw (on-off). Is that going to be a problem?

Feb 05, 2008

- Unfortunately I don't know enough about this copy machine, and I'm not a technician, so I haven't looked into finding out what the problem is beyond the switch. I've heard the fuser and something else, but I stopped when I couldn't figure out how to take the cover off without breaking it. The switch I bought works fine but now I'm getting another error. Oh well.

Feb 14, 2008

- I'm in the United States, where are you canonman1? I thought maybe you mistyped the number and the first zero was supposed to be a 1, but that doesn't work. The error code I'm getting is an E800. It tells me to turn off the switch and turn it back on again if that helps any.

Feb 15, 2008

- I was getting the E800 before I took out and replaced the switch. I have no idea where to look for the DC controller or the scan lamp, or it's fuse. Does anyone have a service manual?

Feb 15, 2008

- Thank you checkitright, I'll go check that out now. :)

Feb 15, 2008

- Well if my scan lamp wasn't broken....it is now. Oops! :) These copy machines are too sensitive. I'm used to working on a Mass Spec. But, before I broke it, it didn't look bad, didn't get around to checking continuity. When I get some more time, I'll check out the DC controller. Thanks again for all the advice.

Same Problem

Feb 23, 2009

-   My Canon NP 6025 sometimes has bad lines in it. The person who looked at it says it needs a new AC DC Power Supply FG5-2293-000 and I can't find one. I love this machine but it's making too many bad copies. Any help out there? Thanks so much. -   vhcesq

Best Solution

posted on Dec 10, 2007
Helpful)

checkitright

Rank: Wiz  Canon Expert
Rating: 82%, 1035 votes
I've bought a switch for a np 6030 ( even though they said it was not made anymore) canon uses the same parts for several of their machines. You can find the switch on this site where I got mines http://www.precisionroller.com/

you will have to go to the next closest model, I think I bought a 6035 or 6045 switch. worked fine.

Now you MUST realize that the switch turning off is a safety device and acts as a fuse. If it's not staying on it's because there is a problem most likely with your fuser.
Comments:

Feb 05, 2008

- wanted to find out if you fixed it

Feb 15, 2008

- E800 is power switch or DC Controller !!!!!!!!!

You may have may have crossed the wires in the switch, when you replaced it. What was the error BEFORE you replaced the switch? which is why I was telling you that the switch wasn't staying on.

Feb 15, 2008

- The DC Controller is the main board in the back of the machine.
The scan lamp is the one under the copy glass, remove glass ( two screws) move scanner to middle of machine there is a fuse ( looks like a small bullet with two rods) unscrew one end and make a continuity test, if there is none replace.

Service manuals are hard to come by, I was a tech with Canon for 8 yrs that's why I'm familiar with it.
Your best bet is to purchase one online and they will e-mail you a copy, usually not more than $ 10.00
which in your case is good to have since you have the copier.
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Solution #2

posted on Aug 03, 2009
Not Rated)

bill72594

Rank: Apprentice 
Rating: 0%, 0 votes
I have a canon np6025 that was used very little & is in great condition if anyone's interested in it. I'm close to Toronto, Ontario, Canada. Any interested parties can e-mail me at bill.72@live.com
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Solution #3

posted on Jul 13, 2009
Not Rated)

cracker12

Rank: Wiz 
Rating: 74%, 23 votes
I have E800 problemon the NP 6030 Canon Machine.The trick part if this problem is that when you clear the problem by going into the servive mode whilst actuating the safety door switch you can make copies.But immediately you remove the actuator and close the the door the code comes back again.What coul be the problem? Main power switch or what..
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Solution #4

posted on Dec 01, 2008
Not Rated)

broozed

Rank: Apprentice 
Rating: 0%, 0 votes
My Canon 6030 was doing the same thing!  I discovered that the switch was tripping (like A BREAKER) due to the fact that my source AC was bad.  I didn't actually measure it but our office space has had mysterious line voltage issues in the past.  I simply plugged the copier into a known good AC outlet...and presto... no more tripping off!  I noticed that if I held the switch from tripping, an error code "E" something and this pointed to a power supply problem.  Well the power supply problem was really the fact that theh power supply wasn't getting enough voltage and was probably tripping on over current (P=VI).
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Solution #5

posted on Feb 13, 2008
Not Rated)

canonman1

Rank: Guru  Canon Expert
Rating: 88%, 74 votes
i know what the problem may be phone 07764303923
cheers
Comments:

Feb 15, 2008

- Hi She_Devil

Sorry I should have put the international code I am from the uk.

The problem will be...
1 Scan lamp Blown/open circuit
2 Scan lamp thermal fuse Blown/open circuit

Try these first and get back to me
00447764303923

Thank You
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