Epson 1400 - Stylus Photo Color Inkjet Printer, Service Manual, Page: 14 / 168

EPSON Stylus Photo 1390/1400/1410 Revision B
PRODUCT DESCRIPTION Printing Area 14
† Bottom edge
(1) When bottom margin is set to 20 mm (0.79 in.)
(For envelope/when bottom margin is set automatically)
Figure 1-7. Printhead Movable Area (20-mm Bottom Margin)
(2) When bottom margin is set to 3 to 20 mm (0.12 to 0.79 in.)
Figure 1-8. Printhead Movable Area (3-mm Bottom Margin)
(3) When bottom margin is set to 0 mm
During printing the area indicated by the arrows c in the figure, some nozzles
are controlled not to eject ink droplets.
Figure 1-9. Printhead Movable Area (0-mm bottom margin)
Details on the length that the printhead moves off the paper edges (a), printing area off
the paper edges (b), and points where the nozzle control is cleared (e) are shown in the
table below.
Note : As for e values, areas off the paper edges are indicated by negative values.
Nozzle positions for printing off the paper edge: #73 to #90 (18 nozzles in total)
Nozzle pitch for printing off the paper edge:
68/360 (4.80mm)
C
c = 33/360” (2.33 mm)
For reference: C= 20 mm - (length from upstream nozzle position to nip po its
variations (simple addition) + variations in the bottom area accumulated from the top)
c
c = Not defined
4x6 (Hi-speed) 4x6 A4/Letter or smaller A3+ or smaller
a
68/360”
(4.80 mm/0.19 in.)
68/360”
(4.80 mm/0.19 in.)
68/360”
(4.80 mm/0.19 in.)
68/360”
(4.80 mm/0.19 in.)
b
27/360”
(1.91 mm/0.07 in.)
30/360”
(2.12 mm/0.08 in.)
39/360”
(2.75 mm/0.10 in.)
55/360”
(3.88 mm/0.16 in.)
e
-41/360”
(-2.89 mm/-0.11 in.)
-44/360”
(-3.10 mm/-0.12 in.)
-38/360”
(-2.68 mm/-0.1 in.)
-28/360”
(-1.98 mm/-0.08 in.)
c