
77259L Rev. 4 12/16/03 Z4M/Z6M Maintenance Manual Page 4-17
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11. Reinstall the electronics cover and tighten the two screws to secure the cover to the
printer.
12. Reinstall media and ribbon and reconnect power to the printer.
13. Rotate the two printhead pressure dials to the #3 position (Z4M), or the #6 position
(Z6M).
14. Turn the printer power on and print the Pause Key and Cancel Key Self Test Label.
Make sure that the black bar is mostly filled in solid and that the bottom line is
parallel to the edge of the label. The black bar can have small voids of white.
15. If adjustments are needed, repeat the alignment procedure.
16. Remove the screw and the print mechanism adjustment cam. Save screw and
adjustment cam for future use.
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Use the following procedure to replace the printhead.
Removing the Printhead
(Refer to Figure 4-12 and Figure 4-13).
1. From the rear of the printer, turn the printer power OFF and disconnect the AC
power cord.
2. Open the media door and remove media and ribbon from the printer.
3. Rotate the two printhead pressure dials to the #1 position.
4. Remove the printhead thumbscrew and slide the printhead fork assembly out of the
printhead mechanism.
5. With the cable connectors exposed, carefully disconnect the two printhead cables
from the printhead assembly.
Caution • This installation must be performed by a qualified service technician.
Note • Printers with value peel, power peel, or cutter options may need to have
them removed for ease of removal and installation of printhead.
Caution • The printhead is hot and can cause severe burns. Allow the printhead to cool.
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