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

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

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
1	8 a.m.- 8 p.m.	ITDL	Dry, Wet	1500	2	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
2	8 a.m.- 9 p.m	CFI, ITDL	Dry, Wet	1500	2	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
3	8 a.m.- 10 p.m	PCS	Dry, Wet	7000	4	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

ISSN: 1476-069X