Your Office Photocopier May Not Be as Harmless as You Think

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Date: Thursday May 24, 2012 08:39:49 am
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    Your Office Photocopier May Not Be as Harmless as You Think

    Photocopiers are oh-so-essential in the modern office. But as we focus on the machines’ sleek design, high-performance functionality and good quality printing, we neglect to consider how potentially risky they can be — to our health.

    "Workers are using these office machines every single day. Yet not many realise that, under certain circumstances, they can bring on health problems, especially in those with pre-existing respiratory conditions" observes Dr Chew Huck Chin, Associate Consultant, Department of Respiratory and Critical Care, Singapore General Hospital (SGH).

    Photocopiers create ozone gas

    Ozone, a form of oxygen, is a normal constituent of the earth’s atmosphere. It’s a highly reactive, unstable, colourless gas with a distinctive odour.

    "Photocopiers create ozone through their "corona wires" that apply a charge to the paper so the ink will cling to it," explains Chew. "As ozone is highly reactive, any adverse health effects will be found essentially at the sites of initial contact — the respiratory tract (nose, throat and airways), the lungs and at higher concentrations, the eyes."

    If exposed to ozone, one could experience headaches, eye and breathing irritations. Chew adds: "It is worse for those with underlying respiratory conditions like asthma, as they are more sensitive to such irritants."

    Related video: Do traditional Chinese remedies for asthma actually work?

    Toner dust can cause respiratory tract irritation too

    Photocopiers use toner, an extremely fine powder, as part of the printing process.

    In substantial quantities, toner may cause respiratory tract irritation resulting in coughing and sneezing. It can also be an irritant to those with respiratory conditions such as asthma or bronchitis.

    There are a few situations where one could be accidentally exposed to toner dust. "Toner dust spilled inside the machine could become airborne after passing through the ventilation fans into the room," says Chew. "Or, there could be a spillage when one is replacing the toner cartridge."

    Other health hazards

    Besides ozone gas and toner dust, there are other health hazards associated with photocopiers.

    1. 1Selenium: Selenium is a photoconductive coating applied to the photocopying drum. "If the photocopier overheats during operation, it may cause this coating to degenerate," explains Chew. "Exposure to selenium is generally accompanied by a metallic taste in the mouth, and a garlic-smelling breath. Long periods of exposure can cause fatigue, insomnia, poor concentration, as well as upper respiratory tract disorders, and irritation of the eyes and lips." The good news is that selenium exposure is rare, and can be successfully treated.

    2. 2Carbon monoxide gas: When a photocopier is placed in a poorly ventilated environment, it can emit carbon monoxide, a deadly, colourless, odourless and poisonous gas. Chew says: "Initial symptoms of carbon monoxide poisoning can include headaches, fatigue, shortness of breath, nausea and dizziness."

    3. 3Bright light: After hours of direct exposure, the intense light used in photocopying may cause eye irritation and after-imaging. Chew adds: "The photocopier cover should be closed before copying. Alternatively, operators should avert their eyes from the light source."

    Related article: Can air pollutants be stored in the body?

    Ways to safeguard your health

    Chew lists the ways you can safeguard your health, especially if you have a say in the buying and maintenance of office equipment.

    Click here to read the rest of the article on ph.news.yahoo.com

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