# C2 SERIES finger reading issue

**URL:** <https://community.anviz.com/t/c2-series-finger-reading-issue/514>\
**Category:** General Questions\
**Tags:** c2slim, c2pro\
**Created:** [August 21, 2022, 7:02pm UTC](https://community.anviz.com/t/c2-series-finger-reading-issue/514 "2022-08-21T19:02:40Z")\
**Posts on this page:** 1\
**Showing post:** 2

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**Author:** ![Technical\_Anviz](https://sea2.discourse-cdn.com/flex020/user_avatar/community.anviz.com/technical_anviz/32/1143_2.png) [@Technical\_Anviz](https://community.anviz.com/u/Technical_Anviz)\
**Post date:** [August 22, 2022, 5:42am UTC](https://community.anviz.com/t/c2-series-finger-reading-issue/514/2 "2022-08-22T05:42:37Z")

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Hi @Ali.Alhajj ,

For the C2 Pro, please try to check the fingerprint sensor following this post.

> [@How to Check The Fingerprint Sensor When It’s Not Working](https://community.anviz.com/t/how-to-check-the-fingerprint-sensor-when-it-s-not-working/416):
>
> This is a detailed guide for how you should do first when you have to press the fingerprint sensor many times to clock in or any cases you feel the sensor is not working. Step 1. Confirm your device is based on Linux or ST platform. Linux: VF30 Pro, W1 Pro, W2 Pro, EP300 Pro, C2 Pro, OA1000 Pro, A350, M5 Plus ST: T5 Pro, M5 Pro, VF30, VP30, P7, M7, T5, M5, D200, OC500, OC580, TC580, TC500 Contact your supplier if your device isn’t listed. Step 2. Get fingerprint pictures. If your device …

For the C2 Slim, to know if it’s a fingerprint sensor problem you could try to change it with a good one.

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