Datasheet

44895L Rev. 3 3/15/04 S400/S600 Maintenance Manual Page 4-55
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1. Turn the printer Off (O), and remove the AC power cord and the data cable.
2. Remove media and ribbon.
3. Remove the main door and rear cover.
4. Remove the main logic board.
5. Remove the main drive belt.
6. Refer to Figure 4-47 on page 4-55. Loosen the two screws and slide the bevel gear
from the ribbon take-up spindle shaft.
7. Remove the ground chain assembly from around the idler pulley.
8. Remove the screw securing the ground chain assembly to the ribbon supply spindle
shaft.
9. Remove the two screws securing the ribbon tension motor assembly and mounting
bracket to the main frame.
10. Install the replacement ribbon tension motor assembly by reversing steps
6 through 9.
11. Perform a main drive belt tension adjustment.
12. Reinstall the main logic board, rear cover, and main door.
13. Perform the ribbon take-up spindle tension adjustment.
14. Reinstall the media and ribbon.
15. Reconnect the AC power cord and data cable. Turn the printer On (l), and test for
proper operation.
Figure 4-47. Ribbon Take-Up Motor
Bevel Gear
Set Screws
Ribbon Tension
Motor Assembly
Mounting Screws
Ground Chain Assembly
(to idler pulley)
Ground Chain Assembly
(to ribbon supply spindle shaft)