| 摘要 |
The development of a compact non-electrical mains supply based photocopier is described in which a piezo-electric crystal generator or a battery operated capacitor discharge circuit EHT supply is employed for generating the high voltage for charging the photoreceptive paper. The EHT supply for charging the paper is additionally used to provide the source of power for the light source (typically one or more fluorescent gas discharge tubes). The photocopier incorporates all the facilities to charge and subsequently apply toner and fix the latter in place, with a light-proof housing.
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