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Diagnostic Aids 3-8
4078-00X
Test Page
This test prints the test page.
To run a complete test page of black and color patterns, be sure the
print cartridge is in good condition. Install a black print cartridge.
To enter the test:
• Press and hold the Paper Feed button while turning the
printer on. Paper feeds from the sheet feeder and prints the test
page. Pages continue to print until you turn off the power or
unplug the printer.
The test page prints the following lines.
Line 1 - Code level.
Line 2 - Manufacturer name.
Line 3 - Model name.
Line 4 - US or EMEA defaults.
Line 5 - Page count followed by the last error.
The next line is the black print cartridge nozzle pattern. The next
three lines are the purge pattern where all nozzles are printing. This
action cleans (purges) the nozzles. Another nozzle test pattern
follows.
These test patterns are used to verify all print cartridge nozzles are
working. There should be no breaks in the diagonal line. A break in
the diagonal line indicates one or more nozzles are not working.
The rest of the page contains the user defaults followed by a printout
of the printer resident fonts.