Cr Timing Belt Tension Check - Epson WF-7620 Series Service Manual

Epson WF-7620 / WF-7610 / WF-7110 Series

3.2.1.2 CR Timing Belt Tension Check

This printer is designed so that the each tension of the CR Timing Belt fall within the
expected range if you correctly reassemble the unit. However, deformation of any related
part(s) can cause improper tension of the belt. In such case, replace the unit with a new/
refurbished one.
The standard tension range of the CR Timing Belt: 13 ± 2 N
1.
Move the CR Unit
2. Move the CR Unit to the position on the left of the Ink System on the 0-digit side shown in
3. Set the following parameters to the sonic tension gauge:
Weight:
Width:
Span:
4. Bring the microphone of the sonic tension meter close to the position shown in
5. Press the "MEASURE" button of the sonic tension meter and flip the upper of the CR Timing Belt with
plastic tweezers and measure the tension of the belt.
Within the standard range:
Out of the standard range: go to
6. Measure the belt tension twice in the same way as described in
Within the standard range two times in a row
CR Timing Belt tension check is complete.
Either of the results is out of the standard range
Any of the related parts may be deformed. Replace the Printer Mechanism, and then perform the CR Timing Belt
tension Check again.
Adjustment
between the 0-digit side and 130-digit side three times.
back and forth
9.9 g/m
3.25 mm
460 mm
CR Timing Belt tension measurement is complete.
Step 6.
CR Timing Belt
Within 5 mm
Figure 3-2. CR Timing Belt Tension Check
Details of Adjustments
Step 5.
Measurement position
Revision B
Figure 3-2.
Figure 3-2.
CR Unit
63
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