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Toner cartridge CRUM error (YELLOW)
CRUM cannot be read or written.

1. Connection trouble or disconnection of the connector and the harness between the PCU and the toner cartridge. Check the connector and the harness between the PCU and the toner cartridge.
2. CRUM trouble. Replace the toner cartridge.
3. Control PWB (PCU) trouble. Replace the PCU PWB.

Sharp MX-2700N... | Answered 3 days ago


If you happen to have a mobile phone with IR feature, you can download a remote control app and set it for you TV.

Sharp Televison... | Answered on Aug 17, 2019


The square root is the second function of the "3" key. To calculate the square root of 3, press 3 2ndF 3 =

Sharp EL-738... | Answered on Aug 16, 2019

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