HPLIP

Error installing hplip 3.11.10 - checksum error

Asked by Ramamohan

I have Ubuntu 11.10 installed on my laptop and trying to install HP Laserjet 1020 printer. I downloaded hplip 3.11.10 and tried to install from Terminal. When I gave command - sh hplip-3.11.10.run - following is the error:

Creating directory hplip-3.11.10
Verifying archive integrity...Error in MD5 checksums: 61ecde6d0f501fe96435ea364a53dcc1 is different from 36f452c28c4295e675beb83bb3694c1f

Please advise on how to install the printer successfully.

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Solved by:
Sanjay Kumar
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goutam kodu (goutam-hplip) said : 		#1

Hi,

Can you delete the existing hplip-3.11.10.run file and download the file again from
http://space.dl.sourceforge.net/project/hplip/hplip/3.11.10/hplip-3.11.10.run.

Run command wget "http://space.dl.sourceforge.net/project/hplip/hplip/3.11.10/hplip-3.11.10.run" to download it.
After download of the file hplip-3.11.10.run, check its md5sum. By running command : "md5sum hplip-3.11.10.run".

Next run command "sh hplip-3.11.10.run" and post us its terminal output.

Thanks,
Goutam

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Ramamohan (ramamohan) said : 		#2

Dear Goutham,

Thank you very much. I downloaded the file again and run it. Though the
checksum error did not come this time, there is another issue cropped up
after running the hplip-3.11.10.run.

While installing the printer, the program tried to download a plug-in
for HP Laserjet 1020 and came up with the following error:

Error: Plug-in file does not match its digital signature
File may have been corrupt or altered
Error Code:2

  Please suggest what can be done to resolve this.

Thanks,

Rama Mohan

On Monday 17 October 2011 12:11 AM, goutamkk wrote:
> Your question #174286 on HPLIP changed:
> https://answers.launchpad.net/hplip/+question/174286
>
> Status: Open => Answered
>
> goutamkk proposed the following answer:
> Hi,
>
> Can you delete the existing hplip-3.11.10.run file and download the file again from
> http://space.dl.sourceforge.net/project/hplip/hplip/3.11.10/hplip-3.11.10.run.
>
> Run command wget "http://space.dl.sourceforge.net/project/hplip/hplip/3.11.10/hplip-3.11.10.run" to download it.
> After download of the file hplip-3.11.10.run, check its md5sum. By running command : "md5sum hplip-3.11.10.run".
>
> Next run command "sh hplip-3.11.10.run" and post us its terminal
> output.
>
> Thanks,
> Goutam
>

Revision history for this message
Best Sanjay Kumar (sanjay-kumar14) said : 		#3

Hi,

Can you download the plugins from http://hplipopensource.com/hplip-web/plugin_download.html
and then install it as follows.

Steps to Install the plugin
=> Download hplip-3.11.10-plugin.tar file from the above link and then Change to the downloaded directory and extract hplip-3.11.10-plugin.run file from tar file

=> Run the command su - -c "sh hplip-3.11.10-plugin.run" to install the plug-in

Thanks,
Sanjay

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Ramamohan (ramamohan) said : 		#4

Thanks for this. This solved the issue.

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apurva chitte (apurvachitte-ict) said : 		#5

Hi,

Even i am trying to install hp 1050 j410 on ubuntu lts 10.04.2. it is showing the same error as mentioned above. What should i do?
I have even downloaded all the software from Ubuntu software center. those softwares, or rather hplip does not recognize this printer nor can find it.

Revision history for this message
goutam kodu (goutam-hplip) said : 		#6

Hi Apurva,

Can you please post us the "hp-check -t" commands output and please explain us the problem that you are facing.

Thanks,
Goutam Kodu