This standard stipulates the technical requirements, test methods, inspection rules and marking, packaging, transportation and storage requirements of the xerographic copy test versions A3 and A4. This standard applies to xerographic copying test versions A3 and A4 (hereinafter referred to as test versions) for checking the copy quality of xerographic copiers and other duplicating mechanical products.
GB/T 4591-1992 history
2005GB/T 4591-2005 Test chart for electrostatic copying process
1992GB/T 4591-1992 Test chart for electrostatic copying process