Samsung – Cleaning ACR / CTD Sensor (Samsung X4300 / 9201 / 9251 / 9352)
If the copier displays a message/warning ‘Please clean the ACR/CTD sensor’ or ‘The ACR/CTD is dirty and requires cleaning’. Please follow the below steps –
1. Open the side cover
2. Clean the sensor window by using a soft cloth while pushing the shutter to the right
3. Close the side cover
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