Gap Adjustment Print Pattern; Each Adjustment Item - Epson Stylus Pro 4400 Service Manual

EPSON Stylus Pro 4400/4450/4800/4880/4880C

Gap Adjustment Print Pattern

Print specifications
Print specifications of gap adjustment print pattern
Bi-D Black (#1, #2, #3)
Adjustment pattern
height
Bi-D All (#1, #2, #3)
Uni-D All (#1, #2, #3)
AUTO Bi-D BLACK(#1, #2, #3)
AUTO Bi-D ALL(#1, #2, #3)
AUTO Uni-D ALL(#1, #2, #3)
Others When it prints from paper edge, it feeds 100mm for roll
paper, 50mm for sheet, and starts printing.

Each adjustment item

Table 1-35. Each adjustment item
Adjusting Adjusting
Head speed
item type
(CPS)
#1 320
Bi-D #2 240
#3 240
#1 320
Uni-D #2 240
#3 240
Product Description
Parameter
Dot size
VSD1 (Bar Large/Block Small)
VSD2 (Bar Large/Block Large)
VSD3 (Bar Large/Block Large)
VSD1 (Large)
VSD2 (Large)
VSD3 (Large)
Adjustment pattern printing of each adjustment item
Print pattern
Print direction
Pattern interval
The relationship between print pattern and adjustment gap is shown
below.
Print pattern number
Adjustment gap
N/1440 inch (VSD1, VSD2)
Operating Panel
9 patterns (per 1 set)
Bar Going back and forth every 4dot
Block Upper patterns: Leftward
Lower patterns: Rightward
Leftward : equal interval
Rightward : Print No.5 to be always current setup value.
Position is shifted in fixed quantities, with No. 5
as the standard.
1 2 3 4 5
–4 –3 –2 –1 0
Revision C
6 7 8 9
+1 +2 +3 +4
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