Epson Stylus Pro 9900 - Page 367

Epson Stylus Pro 7700/7710/7700M/7710M/7900/7910/9700/9710/9900/9910/WT7900/WT7910/9890/9908/7890/7908 Revision I
ADJUSTMENT CR Related Adjustment 367
Confidential
Figure 5-15. Measuring the Timing Belt Tension
19. Loosen the screws (x2) that secure the Driven Pulley Holder.
20. Adjust the belt tension with the tension adjusting screw.
After adjusting the tension, tighten the screws loosened in Step 19, and then back
to Step 17.
 If larger than standard value: Turn the screw in a clockwise.
 If smaller than standard value: Turn the screw in a counterclockwise.
Figure 5-16. Tension Adjusting Screw
Center of the timing belt
Rear timing belt
Measuring
microphone
Screw
Tension adjusting screw