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Maintenance
Replacing the Printhead
1/13/2016 ZD420 User’s Guide 212485-001 Rev. A
5. Push the right side of the printhead into the printer until the latch locks the right side of the
printhead into the printer.
6. Verify that the printhead moves freely into the printer when pressure is applied (see arrow)
and remains locked when pressure is released.
7. Clean the printhead by using a new cleaning pen to wipe body oils (finger prints) and debris
off the printhead. Clean from the center of the printhead to the outside. See Cleaning the
Printhead on page 115.
8. Reload media. Turn on the printer and print a status report to ensure proper function. See
Test Printing with the Configuration Report on page 41.