Question about HP LaserJet 2820 Printer

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Hp 2820 scanner error 5

I have this problem and can't fix it after i repair a PCB on the scaner unit witch gives high voltage on the lamp,after that i change a lent cables!S0 the error remains !Pls don't tell me to contact the srvice couse i'm working at one !So, if u can give me another solution pls!i'm trying to fix it from 1 week already ! tnx !

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I'm not sure if this will help or if this is the same as i had but I had been given A laserjet 2820 which keep't coing up scanner error 5 the chap that had it before me contacted hp service & was told to replace scanner unit which he did & it was ok for a while like 6 months & started then started again.
The problem he had was powered up ok till it came to scanner bulb warming up the scanner unit moves back & forth then try's to escape through the right hand side of case.
This is because it cant see the home position white strip under the scanner glass all you have to do is remove top section of the scanner unit complete with scanner glass & clean the under part of the scanner glass the white strip is located under the wide gray panel as you look down on the scanner glass with the lid up. hope this is of some use. my unit has been working for some time now

Posted on Jan 01, 2009

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I ran into this also. Kevin's solutions is one of many I have found. I also have found to simply check the small connectors on the scan bar as some times they vibrate loose over time. Remove them and re-seat them gently, being careful not to force them.

Posted on Mar 19, 2009

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Posted on Jan 02, 2017

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=High density for the target at patch detection=

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