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Table 3 Characteristics of photocopiers and toners used in the photocopy centers

From: Chronic exposure to emissions from photocopiers in copy shops causes oxidative stress and systematic inflammation among photocopier operators in India

Copy center Business hours Toner cake Toner category Average No of copies/day Number of copy machines Type of copy machines Make of copy machines Copy speed
1 8 a.m.- 8 p.m. ITDL Dry, Wet 1500 2 Black (1) Canon 3530 60/min
Colour (1) Canon 6000 42/min
2 8 a.m.- 9 p.m CFI, ITDL Dry, Wet 1500 2 Black (1) Canon 3530 60/min
Colour (1) Canon 6000 42/min
3 8 a.m.- 10 p.m PCS Dry, Wet 7000 4 Black (3) a. IR105 (2) b. Canon 6570 a.105/min b. 65/min
Colour (1) IR 3200 32/min
4 9 a.m.- 9 p.m. ITDL Dry 3000 2 Black Canon 6000 60/min
5 8 a.m - 9 p.m. Jet Black Dry 5000 1 Black IR 6060 60/min