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Horizontally void in letter (it is horizontally void in letter on the printed manuscript).

Time：

Nov 14,2023

Source：

Author：

Reason:The OPC drum coating or drum gear is defective; the magnetic roller cover, magnetic roller coating, protection cover and bias contact point are defective; the transcription roller is defective; there is a problem with the high-voltage power supply.

Solution:Replace the drum; check and replace or clean the bias contact point; replace the transcription roller; repair the high-voltage power supply.

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Henan Green Express Rubber & Plastics Products Co., Ltd

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