
77259L Rev. 4 12/16/03 Z4M/Z6M Maintenance Manual Page 4-19
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Refer to Figure 4-12 and Figure 4-13.
1. Connect the printhead cables to the printhead fork assembly and carefully slide the
assembly into the print mechanism.
2. Make sure the two locating protrusions on the printhead mechanism mounting plate
snap into the locating holes on the printhead fork assembly. Move the assembly
back and forth to be sure that it is engaged. There should be little movement.
3. Secure the printhead to the mechanism with the previously removed thumbscrew.
4. Rotate the two printhead pressure dials back to their original position. Clean the
printhead and platen roller.
5. Reinstall ribbon and media, connect the AC power cord, and turn the printer ON.
6. Refer to Figure 4-14. After completing a Power On Self Test (POST), print a
configuration label by performing the CANCEL Key Self Test.
Figure 4-14. Configuration Label
Caution • An improperly connected printhead data or power cable may cause the
printhead to generate excessive heat and/or a false HEAD COLD message to display
while the printhead is hot enough to cause severe burns. Allow the printhead to cool.
Note • When mounting the printhead fork assembly onto the print mechanism,
visually inspect and ensure the cables are in their channels at the back of their
carrier assembly, power cable under data cable, and are not binding on the
printhead mechanism.
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