Citizen CL-E321 User Manual page 47

3. If there is slack on the left side, turn the ribbon left/right balance adjustment knob
toward the front.
The right side of the ribbon guide shaft will lower down toward the thermal head.
Ribbon guide shaft
Once you have determined the adjustment position, tighten the screw.
Perform a test print in self-print mode and check that wrinkles do not occur.
Ribbon left/right balance
adjustment knob
Ribbon
Ribbon
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