Paper Cutting Position Check - Epson Stylus Pro 7400 Service Manual

EPSON Stylus Pro 7400/7800/9400/9800

5.2.2.1 Paper Cutting Position Check

You can verify whether the cutter position adjustment described in the previous section
was made properly or not by actually cutting paper with the cutter.
Cutter position verification
Procedure
1. Load a cut sheet of plain paper (A4 size or smaller; minimum allowable size is
10 (W) x 20 (H) cm) on the home side along with the paper setting position,
and press the Paper Set Lever down to secure the sheet.
2. Move the Carriage Unit with your hand to the right edge of the loaded sheet,
and press the Cutter down manually.
3. While holding down the bottom edge of the sheet with your hand, cut the
sheet with the cutter.
4. Place the gauge whose minimum measurement unit is 0.5 mm on the edge of
the elevated portion for the cutter on the sub-platen and verify that the gap
between the edge and the actual cut line is within 0.5 mm (with a tolerance of
-0.3 to +0.2 mm).
5. If the gap is out of the specified range, readjust the cutter position using the
cutter position jig.
The distance from the edge of the elevated portion for the cutter on
C H E C K
P O I N T
the sub platen to the actual cut line of paper should be within 0.5
mm with tolerance of -0.3 to +0.2 mm.
6. Perform the same verification at the anti-home side. Load a cut sheet on the
anti-home side, cut it by manually moving the cutter and measure the gap
between the edge of the elevated portion for the cutter and the actual cut line.
If the gap is out of the specified range, readjust the cutter position using the
cutter position jig.
Adjustment
Carriage Unit
Mechanical Adjustment
Cutter
Figure 5-10. Paper Cutting Position Check
Revision B
Cut sheet of paper
A gap between the cut line and
the edge of the elevated portion
on the sub platen
0.5mm (+0.2/-0.3mm)
303