Question about HP DesignJet 450c InkJet Printer

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HP designjet 430 E Plotter

The plotter is not loading the media. It starts up. in first instance I can choose between roll and sheet. When I try to load the paper and push the big square blue button to start loading the paper, the plotter does not do anything. At that point I cannot choose again between roll and sheet, the panel lights are frozen now.

The tech says it is the big main board though he tried a new loading switch -big blue button- but it did not do anything. I say, could it be the front panel assembly board-where the lights are? I cannot understand how it can be the big main board with the power supply though it starts up. Any ideas?

Thank you
M. Vidal

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The reason it could be the main board is that it tells the front panel lights what to do. This seems like a logical problem the printer is having, usually things freeze when internal memory is bad. Surely have the main board replaced. There is a part of the internal programming that it cant get past. Compare it with trying to read a sector of a cd-rom that is scratched.

Posted on Oct 21, 2008

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