Sample Tests Patterns - Samsung SCX-4521F Series Service Manual

Reference Information

11.4 Sample Tests Patterns

The sample patterns shown below are the standard test patterns used in the factory.
The life of the toner cartridge, developer cartridge and printing speed are measured with the pattern shown
below. The A4 ISO 19752 standard pattern samples are reproduced reduced to 70% of the actual A4
size.
A4 ISO 19752 Standard Patterns
Service Manual
11-5
Samsung Electronics