Epson DFX-8500 - Impact Printer, Service Manual

Page: 24 / 245

DFX-8500
Rev. B
1-16
1.2.12.4 Overlapping Multi-part Form
Table 1-8. Overlapping Multi-part Form
Front Entry Rear Entry
Minimum Maximum Minimum Maximum
Width (inch)
(mm)
4.0
101
16.0
406
- -
Length (inch)
(mm)
4.0
101
17.0
431
- -
Weight
(not multi-part) (g/m
2
)
(lb)
52.6
14
82.7
22
- -
Weight
(one sheet of multi-part) (g/m
2
)
(lb)
41.4
11
56.4
15
- -
Copies 1 or 5 1 backing
sheet -
Total Thickness
(print area) (inch)
(mm)
0.0025
0.065
0.021
0.53
- -
Total Thickness
(overlap area) (inch)
(mm)
0.005
0.13
0.028
0.70
- -
Overlapping Length (inch)
(mm)
more than 0
more than 0 0.39
10
- -
Quality (multi-part forms) Plain paper, reclaimed paper,
carbonless multi-part forms
-
Multi-part binding
•
Multi-part paper must be bound at the top side by spot-gluing (Figure 1-
12.).
•
The bindings must not be too hard. And there should not be any spilt
glue.
•
The position of binding must be outside of printable area.
•
Multi-part paper should be bound firmly to each other and the binding
must not be too large.
Perforation Refer to Section 1.2.12.5.
Notes
•
Overlapping multi-part form should be inserted from front entrance.
Refer to Section 1.2.12.6.
1.2.12.5 Perforation
•
Weak horizontal and vertical perforations cause paper jams.D
•
The length ratio of the cut part and uncut part of perforations must be more than 3 to 1 and less than 5
to 1 (Refer to Figure 1-13.).
•
Horizontal perforations must have an uncut part in each end of the paper (Refer to Figure 1-14.).
•
At the intersection of horizontal and vertical perforations, the cut part of the perforations must not cross
each other (Refer to Figure 1-15.).
•
The raised part at the perforation must be less than 1 mm when the bottom layer kept by force (Refer
to Figure 1-16.).
1.2.12.6 Notes
•
Clean paper (with no folds, creases, tears) should be used (Refer to Figure 1-17.).
•
The sprocket hole must be circular. The hole may have teeth (Refer to Figure 1-18.).
•
The sprocket hole of each layer must not be shifted (Refer to Figure 1-19.).
•
The litter of sprocket holes must be removed from the paper.
•
Paper should be fan-folded at horizontal perforations. Never use one that is not fan-folded property
(Refer to Figure 1-20.).
•
No hole is acceptable in the printable area.
•
Paper must be torn off accurately along perforations.