Epson Stylus Pro 7400, Service Manual

Page: 98 / 428

EPSON Stylus Pro 7400/7800/9400/9800 Revision B
Product Description Control Panel 98
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Head Alignment adjustment patterns
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Adjustment pattern print specifications
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Print mode for each adjustment pattern
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Adjustment pattern printing of each adjustment item
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Relationship between number and amount of shift during pattern printing
Adjustment pattern
height Bi-D 2-COLOR (#1, #2, #3)
Bi-D All (#1, #2, #3)
Uni-D (#1, #2, #3)
AUTO BI-D 2-COLOR
AUTO Uni-D All (#1, #2, #3)
AUTO Uni-D (#1, #2, #3)
Others When printing from the edge of the paper, 100 mm of roll paper or
50 mm of cut sheet is fed before starting printing.
Table 1-49. Each adjustment item
Adjustment item
Parameter
Head speed (CPS) Dot size
Bi-D #1 320 VSD1(Large Line/Middle Block)
#2 240 VSD2(Large Line/Large Block)
#3 240 VSD3(Large Line/Large Block)
Uni-D #1 320 VSD1 (Large)
#2 240 VSD2 (Large)
#3 240 VSD3 (Large)
Number of printing
patterns 9 Patterns (1 for each color)
Print direction
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Bar: Going back and forth every 4dot
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Block
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Upper patterns: Leftward
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Lower patterns: Rightward
Pattern interval
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Leftward: equal interval
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Rightward: Print No.5 to be always current setup value.
Position is shifted in fixed quantities, with No. 5 as
the standard.
Print pattern number 1 2 3 4 5 6 7 8 9
Amount of shift
n/1440inch (VSD1, VSD2, VSD4)
–4 –3 –2 –1 0 +1 +2 +3 +4