Unverified85% confidenceDecision RuleTime unknown

激光打印机出现底灰、重影、定影不牢多为定影组件或硒鼓故障，上门前要求报清'检测费+配件费'两段式报价，避免师傅到场后临时加价

1

Sources

85%

Confidence

Long-term

Relevance

-

First Seen

Sources

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打印机上门维修category

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