The Sample Pattern For The Test - Samsung SCX-4720F Service Manual

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2.3 The Sample Pattern for the Test

The sample pattern shown in below is the standard pattern used in the factory.
The life of the toner cartridge and the printing speed are measured using the pattern shown below.
(The image is 70% of the actual A4 size).
2.3.1 A4 5% Pattern
Service Manual
2-3
Samsung Electronics