Diagnosis Test Chart - Dell 2135cn Service Manual

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4.2 Diagnosis Test Chart

The test charts to improve a defective image quality or to specify the cause of generation when a

defective image was generated are in [Diagnosis] tab in [Tool Box].

Use the following test charts properly by the state of a defective image quality.

-PHD Refresh

When the result of [Contamination Check] corresponds to b-12 (PHD) of the pitch chart, performing

this test print may improve image quality.

This chart is printed the [PHD Refresh Configuration Chart] of the [Diagnosis] tab in [Tool Box].

Version 1 2008.02.01

Chapter 1 Troubleshooting

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