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lchenn/Install CJK fonts to reMarkable Tablet.md

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Created July 19, 2019 18:24
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How to install Noto Sans CJK fonts for reMarkable Tablet
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Install CJK fonts to reMarkable Tablet.md

reMarkable is a paper tablet by https://remarkable.com/.

The reMarkable tablet is the best e-paper in the market. However, it does not have built-in support for CJK (Chiniese, Korean and Japanese) users.

Luckily, this could be resolved by installing CJK fonts on the tablet.

  1. Go to Preference > Storage > Enable USB web interface (Beta).
  2. Connect reMarkable with your PC via a microUSB cable.
  3. SSH to the device as user "root" using the password find in Preference > About. e.g. ssh [email protected]
  4. Download "NotoSansCJK[you language]-Regular.otf" from https://www.google.com/get/noto/help/cjk/ *note, there is limited space on the device, so do not sue "Super OpenType/CFF Collection (Super OTC)", an language-specific OTC is ok.
  5. Copy (using SCP or whateever tools you like) to /usr/share/fonts/opentype/
  6. Make sure the uploaded font file has the corrent permission (it should be 644).
  7. Run fc-cache -f -v to refresh to font cache.
  8. Reboot the device reboot. (or use the physical button)
  9. Read a book in your language, set the font as "Noto Sans" in Text settings.
  10. Done!
  • Note: CJK Serif Fonts does not work even if I have installed OTF on the device and select Noto Serif, not sure why. Noto Sans is good enough though!
@RM2beginner
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I encountered a problem installing the font file on my new Remarkable Paper Pro, and I would greatly appreciate it if anyone could help resolve it.

I just received my new Remarkable Paper Pro and tried to install a Chinese font (NotoSerifCJKtc-SemiBold.otf) in the "/usr/share/fonts/opentype/" folder with the aid of WinSCP under the developer mode. The font uploading process looks okay, and the font file was successfully copied to the above folder. However, it was strange that the Chinese document in my Remarkable Paper Pro was still unreadable. I subsequently found that the "OpenType" sub-folder had not been created in the "fonts" folder and the font file was uploaded to "/proc/self/task/885/cwd/" I have no idea why it turned out like this.

Anyway, I deleted the font file and tried to upload it again to "/usr/share/fonts/ttf", which is confirmed to exist in the system, but failed, an error message pop-up in WinSCP saying that it cannot create a remote file "/usr/share/fonts/ttf/NotoSerifCJKtc-SemiBold.otf.filepart" and provided an error code 4 with no explanation. The same error occurred even when uploading other font files.

I tried resetting my Remarkable Paper Pro to its factory setting, performing the recovery, and redoing the entire font uploading process again, but the problem still exists.

Does anyone have any idea of the above problem? Any suggested solution to fix the problem is welcome.

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