
77259L Rev. 4 12/16/03 Z4M/Z6M Maintenance Manual Page 4-27
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1. Turn the printer power OFF at the rear of the printer. Disconnect the AC power cord.
2. Open the media door and remove all media and ribbon from the printer.
3. Refer to Figure 4-15. Remove the electronic side cover by removing the one or two
screws that secure the cover to the printer.
4. Refer to Figure 4-16. Using a hex key, loosen the stepper motor locking screw and
the loosen the pivot screw. Pivot up the stepper motor and remove the drive belt.
5. Figure 4-22. Using a hex key loosen the two set screws on the compound pulley.
Remove the pulley and belt from the platen roller shaft.
Figure 4-22. Platen Roller Assembly (Z4M Shown)
6. Using a hex key, remove the two tear bar mounting screws. Remove tear bar.
7. Refer to Figure 4-22. Using two standard screwdrivers or needle nose pliers squeeze
and push up on the barbed legs of outer spring clip to disengage it from the platen
housing.
Note • Make note of the orientation of pulley and around which pulley the belt
is installed.
Platen
Housing
Assemby
Tear Bar
Mounting Screws
(2)
Set
Screws
(2)
Spring Clips
(2)
Bearings
(2)
Platten Roller
Curved Spring
Washer
Note • The inner spring clip does not have to be removed to remove the platen
roller and bearings.
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