How to test Kobo Clara for dead pixels
Use the dead pixel test tool above. The Kobo Clara BW uses E-Ink Carta 1300 at 300 ppi — test on white and black. The Colour variant uses Kaleido 3 — also test on solid red, green, and blue.
What a dead pixel looks like on Kobo Clara
On the 6" E-Ink panel, a dead pixel is a tiny permanent dark dot. At normal reading distance, a single pixel is barely perceptible — but users with keen eyesight will notice it in smooth, light-coloured backgrounds.
Rakuten Kobodead pixel warranty — what's covered
Kobo's warranty policy applies. See the dead pixel warranty guide for Kobo's full coverage terms.
How to fix a dead pixel on Kobo Clara
E-Ink dead pixels cannot be fixed by software. Contact Kobo support for a warranty claim, or consider upgrading to the Clara Colour for the improved Kaleido 3 display.
FAQ
What's the difference between Kobo Clara BW and Clara Colour for dead pixels?+
The Clara BW uses standard monochrome E-Ink Carta 1300. The Clara Colour adds a Kaleido 3 colour filter layer. Dead pixels can occur in either layer on the Colour model — meaning they may appear as dark or as a discoloured speck.