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Top Student
Posts: 2
Member Since: ‎03-17-2017
Message 1 of 5 (392 Views)
Accepted Solution

T520 DesignJet Error Message

[ Edited ]
Product Name: T520 DesignJet
Operating System: Microsoft Windows 7 (64-bit)

When starting the T520, blue screen appears with error message B8C771CA.

It has never appeared before.

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Accepted Solution

Re: T520 DesignJet Error Message

Thank you for your help. 

Replacing the encrypted chip solved the problem.

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Tutor
Posts: 13
Member Since: ‎01-17-2017
Message 2 of 5 (369 Views)

Re: T520 DesignJet Error Message

 

 

Hello

You need to replace Designjet Encrypted Chiip

All blue screen like that are it fold

IT is inside the plotter on the mainboard 

$_1.JPG

 

You can get it here quick http://www.ebay.co.uk/itm/HP-Designjet-T520-Blue-Screen-Error-Solution-Encrypted-chip-/282385654102

Master's Graduate
Posts: 408
Member Since: ‎02-01-2011
Message 3 of 5 (351 Views)

Re: T520 DesignJet Error Message

Hi,

Try isolating the printer, remove inks, printhead, connectivity cables, another power outlet and then turn the printer on.

If you still have the problem, please replace the Main PCA and Encrypted Kit (P/N: CQ891-67019)

PartSurfer: http://partsurfer.hp.com/Search.aspx?SearchText=CQ891-67019

It is my understanding that the new Main PCA should come with the USB with the FW. Make sure it is there before installing the new main PCA.

If problems with the FW, will not recommend you to use the old USB with the firmware again.

 


Thanks,
Rashed

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Top Student
Posts: 2
Member Since: ‎03-17-2017
Message 4 of 5 (323 Views)

Re: T520 DesignJet Error Message

Thank you for your help. 

Replacing the encrypted chip solved the problem.

Student
Posts: 1
Member Since: ‎03-22-2017
Message 5 of 5 (228 Views)

Re: T520 DesignJet Error Message

1. Remove and try without consumables 

2. Check and upgrade plotter FW if its older using USB procedure

3. If issue persist then contact HP solution center 

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