Epson L565 Service Manual page 69

L565/L566 Series
Checking the PF Timing Belt Tension
Perform the PF Belt tension check before installing the PF Scale and the PF Encoder Sensor.
1. Set the following parameters to the sonic tension meter:
Weight:
Width:
Span:
2. Bring the microphone of the sonic tension meter close to the position shown in
3. Press the "MEASURE" button of the sonic tension meter and flip the lower of the PF Timing Belt with
plastic tweezers and measure the tension of the belt three times.
4. Check the average of the measured values falls within the standard range.
Within the standard range: the PF Timing Belt tension check is complete.
Out of the standard range: reinstall the
If not within the standard though performing the PF Timing Belt Tension Check twice,
replace the unit with a new/refurbished one.
Adjustment
1.2 g/m
3.2 mm
29 mm
" PF Driven Pulley Assy / PF Timing Belt
Timing Belt Tension Check again.
Left side
PF Driven Pulley Assy
Figure 3-3. Checking the PF Timing Belt Tension
PF Timing Belt
Required Adjustments
Figure 3-3.
(p48)", and then perform the PF
Measurement position
Revision A
69
Confidential