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Toshiba e-Studio 203S
Error Codes List page 4
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- Code: U2 40
- Description: CRUM chip communication error. An error occurs in MCU-CRUM chip communication.
- Causes: CRUM chip trouble Defective contact of developing unit MCU PWB troubl
- Remedy: Replace the CRUM chip. Check installation of the developing unit. Cancel by turning OFF/ON the power. Replace the MCU PWB.