Comments (1)
The fix was to clear the display using mode 0 often enough. In the first version, I only updated the image using GC16 mode. The wiki states:
Mode | Description | 6inch/6inch HD | 7.8inch/9.7inch/10.3inch |
---|---|---|---|
INIT | This mode is used for clearing the display. If you use A2 mode for updating, we recommend you use the INIT mode to clear display after updating several times. | Mode0 | Mode0 |
GC16 | This mode is used for updating ePaper with 16 grayscale. GC16 mode can provide best dispaly effect. | Mode2 | Mode2 |
A2 | A2 mode can only support 2 grayscale, however, the update speed is the fastest. | Mode4 | Mode6 |
It implies that only A2 mode can cause ghosting, but it looked like the GC16 mode also caused it.
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