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Canon NP3030 Copier PSU problem

 
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li_gangyi



Joined: 26 Oct 2006
Posts: 2

PostPosted: Thu Oct 26, 2006 12:54 am    Post subject: Canon NP3030 Copier PSU problem Reply with quote

Hi,
As above, I have a canon NP3030 copier that has a flaky power supply, swapping the PSU with a known good 1 got the unit working again, however I would like to repair the PSU, figured the 1st thing I needed was a set of schmatics or the service manual...wondering if anyone has a copy... I've tried searching on http://www.eserviceinfo.com , but no luck...
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li_gangyi



Joined: 26 Oct 2006
Posts: 2

PostPosted: Thu Oct 26, 2006 6:38 am    Post subject: Reply with quote

anything anyone?
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PostPosted: Sun Oct 29, 2006 10:31 am    Post subject: Reply with quote

Is it a linear or a switching powersupply? Is it an internal or external supply?
If you can't find the schematic you can do some basic checks for voltage and ripple on the output, check for failing solderjoints on the circuit board and look for heat stressed components.
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