Epson Stylus Pro 7600 Photographic Dye Ink, Service Manual

Page: 248 / 322

EPSON Stylus Pro 7600/9600 Revision A
Adjustment Self-diagnostic Function 248
5.2.3.13 Round Trip Print Position Adjustment (Bi-D Adjustment)
Adjust the round trip print position.
Make adjustments of “240CPS VSD1”, “240CPS VSD2” and “190CPS VSD4” for
each color. This Bi-D adjustment is of PG=1.2mm. For PG=0.7mm (Bi-D2) and
PG=2.1mm (Bi-D3), make adjustment in other menus, as required.
Store the adjustment values for each line of nozzles (21 kinds of values) in the Flash
ROM.
For adjustment, conduct Bi-D printing and from the print results, input the difference
between the CW print position and the CCW print position.
The procedure and print patterns for round trip print position adjustment are shown on
the next page.
„
Adjustment resolution: 8.8
µ
m
„
Adjustable range:
±
96 step adjustment possible
„
Press the [Enter] key with “***K PRN” displayed, and the K pattern will be
printed.
„
Press the [Enter] key with “***COL PRN” displayed, and the block pattern
will be printed in colors other than K.
„
When “***V1 K” is displayed, input the adjustment value for K (-96 ~ +96).
„
When each of “***V1 K2” ~ “***V1 Y” is displayed, input the pattern
number (0 ~ 8) for the aligned pattern.
„
Press the [Enter] key with “BiD End” displayed, and the mode changes to
“Adj: Bi-d Chk.”
Figure 5-47. Menu Transition for Bi-D Adjustment
Table 5-22. Adjustment Item List
Item Contents
BiD 240,V1 Bi-D Adjustment 240CPS VSD1
BiD 240,V2 Bi-D Adjustment 240CPS VSD2
BiD 190,V4 Bi-D Adjustment 190CPS VSD4
C H E C K
P O I N T
„
Be sure to make adjustment for K first and then for other
colors.
„
After adjustment, be sure to perform “Round Trip Print
Position (Bi-D Adjustment) Checking (p.252)” .
BiD 240, V1
?
?
BiD 240, V2
?
?
BiD 240, V4
?
?
BiD End
?
?
240V1 K PRN
?
[SelecType]
240V1 COL PRN
?
240V1 K
?
30
[Paper Feed
∆
] Key: +
[Paper Feed
∇
] Key : –
240V1 Y
?
2
[Paper Feed
∆
] Key: +
[Paper Feed
∇
] Key : –
240V1 K2
?
4
[Paper Feed
∆
] Key: +
[Paper Feed
∇
] Key : –
240V1 C
?
6
[Paper Feed
∆
] Key: +
[Paper Feed
∇
] Key : –
240V1 M
?
3
[Paper Feed
∆
] Key: +
[Paper Feed
∇
] Key : –
240V1 LC
?
5
[Paper Feed
∆
] Key: +
[Paper Feed
∇
] Key : –
240V1 LM
?
8
[Paper Feed
∆
] Key: +
[Paper Feed
∇
] Key : –
[SelecType]
[SelecType]
[SelecType] or [Enter]
[Enter]
Printing Pattern
Printing end
[Enter]
[SelecType] or [Enter]
[SelecType] or [Enter]
[SelecType] or [Enter]
[SelecType] or [Enter]
[SelecType] or [Enter]
[SelecType] or [Enter]