Precautions - Waveshare 4.2inch e-Paper V2 User Manual

16. PRECAUTIONS

(1) Do not apply pressure to the EPD panel in order to prevent damaging it.
(2) Do not connect or disconnect the interface connector while the EPD panel is in operation.
(3) Do not touch IC bonding area. It may scratch TFT lead or damage IC function.
(4) Please be mindful of moisture to avoid its penetration into the EPD panel, which may cause
damage during operation.
(5) If the EPD Panel / Module is not refreshed every 24 hours, a phenomena known as "Ghosting" or
"Image Sticking" may occur. It is recommended to refreshed the ESL/EPD Tag every 24 hours in
use case. It is recommended that customer ships or stores the ESL/EPD Tag with a completely
white image to avoid this issue.
(6) High temperature, high humidity, sunlight or fluorescent light may degrade the EPD panel's
performance. Please do not expose the unprotected EPD panel to high temperature, high
humidity, sunlight, or fluorescent for long periods of time.
(7) For more precautions, please click on the link: https://www.waveshare.com
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4.2inch e-Paper V2
User Manual