
Excessive ribbon and rewind tension will result in variable motion and could be the cause of print quality problems. Ensure the ribbon rewind and unwind tensions are within specifications or adjustment of either clutch is necessary.
Required equipment
1Empty Ribbon Core and String
212mm Wrench
31kg or 2kg Tension Gage
4#2 Pozidrv Screwdriver
34
2
1
STEPS
1Switch the printer OFF and disconnect the power cable.
2Raise the top access door and open the front access door. Remove the ribbon and label stock if installed.
3Attach string to an empty ribbon core and place on the Ribbon Spindle. Wind the string tightly around the ribbon core in single layer and in clockwise direction. Attach the end of the string to the tension gauge.
4Gradually lift the tension gauge, pulling the string unwind it from the core. Once the spindle starts to move, the gauge should be indicate 950 to 1050 grams of tension for ribbon rewind, and 550 to 650 grams of tension for ribbon unwind. Refer to pictures in next page.
5To adjust the clutch, loosen the locking screw and move the adjust nut CW for more tension and CCW for less tension. Tighten the locking screw and repeat steps 3 and 4 until the correct tension is achieved.
EZ Manual: | 6 |
Ribbon Clutch
Adjustment
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