ADJ 4.1.3 Front to Back Stitch
Purpose
The purpose is to compensate for the variations in the front to back
position of Camera 1 and Camera 3 with respect to Camera 2. See
Figure 1.
Procedure
Note: This procedure uses the SCSI 7356 software as loaded onto a
Personal Workstation or other personal computer directly connected to
the Scanner. If the controlling system has Its own built-in diagnostics,
see the service manual for the controlling system.
Check
1.
2.
3.
Start the diagnostic software, using the procedure appropriate for
the system to which the Scanner is connected.
Go to Section 6 for more information.
Select the Stitch Alignment button from the Service Diagnostic
Menu screen.
If the Left to Right Stitch Alignment screen is displayed, select the
Do F/B Align button.
4. Select the Camera 1 button.
5. Insert the 082E11490 Test Pattern long edge first, allow the pattern
to be transported to the starting position.
6. Select the Begin button.
The screen displays the gap at the image stitch point and displays the
Gap value.
The Gap value should be zero.
Note: The Gap value may vary slightly with each scan, but the
average should be zero.
Stitch area of
Image
Camera 1
image
Camera 2
image
Correct
Not Correct
Figure 1. Image Example - Front to Back Stitch Adjustment
ADJ
4.1.3
4/97
4-40
7356 SCANNER
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