黑房助理主要的職責為－ (a) 預備及沖曬菲林； (b) 更換及配製沖印菲林的化學劑； (c) 負責黑房設備的日常簡單維修工作； (d) 記錄黑房用品的使用量； (e) 清潔整理黑房及黑房設備；及 (f) 執行上級所指派的其他職務。 註： (1) 工作時間為星期一至五由上午7:45至下午5:45。 (2) 因應運作需要，或會被調派到本署各X光部執勤。 (3) 或須不定時及輪班工作。

A Darkroom Assistant is mainly deployed on – (a) preparing and processing films; (b) replacing and formulating film processing chemicals; (c) performing simple day-to-day maintenance work of darkroom equipment; (d) recording the consumption of supplies in the darkroom; (e) cleaning and tidying up the darkroom and the equipment; and (f) performing any other duties as assigned by senior officers. Notes : (1) Regular working hours from 7:45 a.m. to 5:45 p.m. from Monday to Friday. (2) May be required to be deployed to different X-ray Units under this Department to meet the operational needs. (3) May be required to work irregular hours and shifts.