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HP Officejet J6400 All-in-One Series - Printing and Interpreting a Self-Test Page

Introduction

This document provides instructions to print and interpret a self-test diagnostic page report, which can be used to view current device information and print cartridge status. Correct interpretation of the page helps in troubleshooting device problems.

Video of printing a self-test report page

The following video demonstrates the steps for printing a self-test page on the HP Officejet 6400 All-in-One printer series. The product in the video might not look exactly like your product, but the steps are the same.
If you have trouble viewing the video or to view the video in a different size, click here to play the video on YouTube (in English).

Printing a self-test report page

Follow these instructions to print and interpret a self-test page.

Step one: Print a self-test page

You can print a self-test diagnostic page using the product control panel or the computer.

Interpreting a self-test diagnostic page

Interpret the self-test diagnostic page using the following table.
Number
Information type
Description
1
Printer Information
This shows device information such as the product name and serial number.
2
Nozzle test pattern
Missing lines in the pattern might indicate problems with the print cartridges.
3
Color bars and boxes
Uneven, faded, or faint color bars or boxes indicate low ink.
4
Event Log
This shows a log of recent events that have occurred. It also shows the total page count that the unit has printed.

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