Pf Timing Belt Tension Adjustment - Epson Stylus Pro 7400 Service Manual

EPSON Stylus Pro 7400/7800/9400/9800

5.2.5 PF Timing Belt Tension Adjustment

Whenever the PF Motor Assy. is reattached or replaced, or the PF Timing Belt is
released, this adjustment must be carried out to apply proper tension to the PF Timing
Belt with the tension gauge.
Required Tool
Tension gauge F770
Standard tension
2,200g ± 10% (tension in the moving direction of the PF Motor Mounting Plate)
Procedure
1. Loosen the four screws that secure the PF Motor Mounting Plate.
2. Hitch the tip of the tension gauge to the hole on the PF Motor Mounting Plate.
3. Pull the gauge in the direction of the arrow shown in
standard tension is obtained. And first tighten the two of the four screws
located diametrically opposite each other.
4. Then tighten the remaining two screws.
Adjustment
Figure 5-16 until the
Mechanical Adjustment
Tension Gauge
Figure 5-16. PF Timing Belt Tension Adjustment
Revision B
307