PocketBook InkPad 4 · Calibre
Send books to the PocketBook InkPad 4 with Calibre
Add EPUB books to Calibre and copy them to the InkPad 4 over USB. No conversion is needed, and wireless sending is available through the email plugin.
On a device this open, Calibre is a convenience rather than a necessity. Use it for a tidy catalogue and clean metadata on your ebooks; copy PDFs and comic archives on directly so their layout survives. Either way, EPUB goes across without conversion.
Before you begin
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Install Calibre and add your books
Download Calibre from calibre-ebook.com and open it once. Drag your book files into the window, or use "Add books". Calibre reads the title and author from each file and can fetch covers and descriptions from "Edit metadata".
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Connect the InkPad 4 with the USB-C cable
Accept the connection prompt on the device. After a few seconds Calibre recognises it and shows a "Device" button in the toolbar. If it does not appear, the cable may be charge-only — try a known data cable.
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Send EPUB straight across — no conversion
The InkPad 4 reads EPUB directly, so leave Calibre's conversion settings alone. Only convert if you have a format even the InkPad 4 cannot open, which is rare; in that case convert to EPUB. Never convert a PDF or comic archive — send it as-is.
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Select the books and send them to the device
Highlight the books, then click "Send to device", or right-click and choose "Send to device", then "Send to main memory". Calibre shows a "Jobs" counter in the bottom-right while it copies. Large PDF and CBZ files take a moment.
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Find the books on the InkPad 4
Unplug the device. The new books appear in the Library, usually under "Recent" first. If one is missing, connect and disconnect once more, or restart the InkPad 4 from the power menu.
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Optional: send wirelessly by email
In Calibre, open Preferences, then "Sharing books by email", and add the InkPad 4's Send-to-PocketBook address and the account Calibre should send from. This suits ordinary ebooks; large scanned PDFs are better sent over USB.