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HP 901 Extended Self Test

To verify HP Officejet J4500, J4600 and 4500 general printer and ink cartridge print quality performance conduct an extended self test (‘Tap 41’):

1) Press the ‘Cancel’ and ‘OK’ buttons at the same time and release. The diagnostic pattern will print.

2) Evaluate color stair-step patterns.

Extended Self-Test (Tap 10):

 

Advanced Diagnostics

To view advanced diagnostics tests for your printer, click here:

 

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