Bi-D Adjustment - Epson Stylus COLOR 760 Service Manual

Color ink jet printer
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EPSON Stylus COLOR 760

5.2.3.7 Bi-D Adjustment

You perform this adjustment to correct differences in printing positions,
which is caused by slippage of printing timing in right and left directions
during the Bi-directional printing. Therefore, you are required to perform
this adjustment after performing the following operations.
n Replacing the Print mechanism
n Replacing the main board
n Replacing the CR motor
n Replacing the Carriage Assembly
n Replacing g the Printhead
1. Select the "Bi-directional adjustment" in the "Adjustment main
menu" as following figure.
Figure 5-24. Select the Bi-d adjustment
2. Select the "Print the Bi-d adjustment pattern" in the "Bi-Directional
Adjustment pattern" and click the "OK" button.
Adjustment
Figure 5-25. Bi-d adjustment pattern.
NOTE:
As shown in the sample, gaps between passes are sometimes created
in different directions among patterns.
This unexpected change in direction is caused by an ink jet printer-
specific reason, which is an ink jet printer inevitably performs a
periodical cleaning specified by the flashing timer even during Bi-D
pattern printing, so that the printing direction suddenly changes.
However, this directional difference among Bi-D patterns should not be
considered, and you can always confirm and adjust the pattern correctly
by referring to gap amount only.
Adjustment
Revision C
126

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