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I have an Epson Stylus NX420 and a Raspberry Pi 3. I am trying to setup Google Cloud Print Connector in order to use the Pi as a print server. I am following this guide, but for Raspbian Stretch.

The first step of the guide is installing the driver and CUPS. I have located some Linux drivers on the Epson site:

Neither of them are available for the ARM platform, but both drivers offer src.rpm files, which makes me hopeful. I would prefer to use the full-featured one if possible.

I know basically nothing about cross-compiling drivers, so I did some research about my specific situation. What I read led me to try the following (I'll use keywords when referring to filenames to increase SNR):

  • sudo apt install rpm2cpio then rpm2cpio driver.src.rpm | cpio -idmv, which gives me filter.tgz, nx420.tgz, and nx420.spec.
  • tar -xzf filter.tgz then tar -xzf nx420.tgz, which give me filter/ and nx420/

It's at this point, that I really don't know how to proceed and am mostly just guessing with a bit of information. (Only the filter/ directory has a configure file):

  • cd filter/
  • chmod +x configure then ./configure, which eventually fails with a message about not having a prefix, so I mkdir prefix eprefix (because I don't want to install something wrong to /usr/local yet) and try again:
  • ./configure --prefix=$PWD/prefix --exec-prefix=$PWD/eprefix, which seems to complete without any obvious errors
  • make then eventually fails with many errors

Additionally, the readme files contain little useful information, and mainly link to the domain http://avasys.jp, which seems to no longer host any relevant information, as far as I can tell. (I can't read Japanese and am using Chrome's built-in translation function.)

Hopefully the above details give you enough precursory info to understand that I'm familiar with bash's built-ins, but have spotty Linux understanding at this point (my background is OS X/macOS). I have never compiled any Linux software other than simple C-family interactive shell programs. If you need more information, please just ask.

How do I compile and install the driver so I can setup this print server?

  • Looking at the spec file should give you some idea on how to build it. – Ignacio Vazquez-Abrams Jul 14 '18 at 9:08
  • @IgnacioVazquez-Abrams I have updated the question to clarify that I have very little compilation experience. I have never tried to read a spec file before this situation—I didn't even know they existed. There are lots of variables and commands in the spec file that I don't understand, so it isn't of much help to me at this point. – jsejcksn Jul 14 '18 at 23:52
  • Is there any rpm based program on raspberry pi3? Src.rpm should be rebuild as .rpm and then you could install it as a normal rpm. – FrontENG Jul 15 '18 at 3:11
  • Hi @FrontENG. I'm trying to compile it to run natively on my Pi. – jsejcksn Jul 15 '18 at 22:03

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