Make sure that a sufficient supply of paper is loaded in the paper source before outputting the test pages.
Adjusting Lead Edge Alignment of the Image
This setting enables you to adjust the image position, by checking whether the register mark and the image at the leading edge toward the feeding direction are aligned on the test page.
1
Check the position of the lead edge image on the front side of the test page.
In the example below, adjustment is required because the center line of the register mark is 0.4 mm outside the edge of the test page. Follow the procedure described below to adjust the position of the lead edge image on the front side of the test page.
The test page with "1st side" printed on it is the front side.
2
In the <Adjust Image Position> screen, enter the value confirmed on the test page that aligns the center line of the register mark with the edge of the paper.
In case of the example described above, set "+ 0.4" for <Front Side>.
C7700 Series only
Use <-> and <+> in <Front Side> in <Lead Edge (e) Alignment> to enter the value.
C5700 Series only
Enter the value using <-> and <+> in <Front Side>.
<+>
Press when the center line of the register mark is located outside the edge of the test page (the center line of the register mark is NOT printed). The image is shifted to the backwards as seen from the feeding direction of the paper, according to the entered value.
<->
Press when the center line of the register mark is located inside of the edge of the test page. The image is shifted to the forwards as seen from the feeding direction of the paper, according to the entered value.
3
Turn over the test page check the lead edge image on the back side of the test page.
4
Enter the value confirmed on the test page that aligns the center line of the register mark with the edge of the paper.
C7700 Series only
Use <-> and <+> in <Back Side> in <Lead Edge (e) Alignment> to enter the value.
C5700 Series only
Enter the value using <-> and <+> in <Back Side>.
5
Perform the test page again, and check the image position press <OK>.
Repeat the correction again, if necessary.
When you open the <Adjust Image Position> screen again after you close that screen by pressing <OK>, the values on screen are returned to <0>. However, the adjusted value is still effective. If you repeat steps, read off the value of register marks from new test page and input the new value.
To restore the accumulated value, press <Restore Initial Settings>.
6
Press <OK>.
Adjusting Left Edge Alignment of the Image (C7700 Series Only)
This setting enables you to adjust the image position, by checking whether the register marks on the test page align with the image at the left edge of the paper toward the feeding direction.
1
Check the position of the left edge image on the front side of the test page.
In the example below, adjustment is required because the center line of the register mark is 0.4 mm outside the edge of the test page. Follow the procedure described below to adjust the position of the lead edge image on the front side of the test page.
2
In the <Adjust Image Position> screen, enter the value confirmed on the test page that aligns the center line of the register mark with the edge of the paper.
In case of the example described above, set "+ 0.4" for <Front Side>.
Use <-> and <+> in <Front Side> in <Left Edge (i) Alignment> to enter the value.
<+>
Press when the center line of the register mark is located outside the edge of the test page (the center line of the register mark is NOT printed). The image is shifted to the right as seen from the feeding direction of the paper, according to the entered value.
<->
Press when the center line of the register mark is located inside of the edge of the test page. The image is shifted to the left as seen from the feeding direction of the paper, according to the entered value.
If you print the test page using paper whose vertical side toward the feeding direction is 304 mm or more in length, the register mark on the left edge will not be printed properly. In this case, measure the length of <i> mark. If the measured length is shorter than 20 mm, enter the difference value with <+>, if the measured length is longer than 20 mm, enter the difference value with <->.
3
Turn over the test page check the left edge image on the back side of the test page.
4
Enter the value confirmed on the test page that aligns the center line of the register mark with the edge of the paper.
Use <-> and <+> in <Back Side> in <Left Edge (i) Alignment> to enter the value.
5
Perform the test page again, and check the image position press <OK>.
Repeat the correction again, if necessary.
When you open the <Adjust Image Position> screen again after you close that screen by pressing <OK>, the values on screen are returned to <0>. However, the adjusted value is still effective. If you repeat steps, read off the value of register marks from new test page and input the new value.
To restore the accumulated value, press <Restore Initial Settings>.
6
Press <OK>.
Adjusting the Zoom Ratio of the Image (C7700 Series Only)
Depending on the paper type, the heat generated by the fixing unit may cause the paper to expand or shrink slightly. In this case, images may also be enlarged or reduced accordingly. This function enables you to set the zoom ratio of the image for each paper, or enlarge the reduced image to match the zoom ratio of the image on the second side of the paper. You can adjust the zoom ratio of the image either by entering the enlargement/reduction ratio, or by entering the value of the test page you measured manually.
1
Check the images on the output test page.
2
Enlarge or reduce images on the <Adjust Image Position> screen.
If you enter the enlargement/reduction ratio (%)
1
Set the enlargement/reduction ratio (%) for <Zoom (f)> and <Zoom (d)> on <Adjust Image Position> screen press <OK>.
<Zoom (f)>
Enlarges or reduces the image in the direction that is parallel to the feeding direction according to the inputted ratio.
<Zoom (d)>
Enlarges or reduces the image in the direction that is perpendicular to the feeding direction according to the inputted ratio.
As necessary, try printing out the test page paper again and then check the correction amount.
If you enter the value of the test page you measured manually
1
Measure the length of the <f> and <d> marks on the test page manually.
The default values are <f> = 360.0 mm and <d> = 250.0 mm.
If you print the test page using paper smaller than 270 mm x 380 mm, you cannot measure the length of <f> and <d> as the entire image will not be printed on the paper. In this case, calculate the expanding/reducing percentage by comparing the measured length of 'f/2' and 'd/2' with the default values (f/2: 180 mm, d/2: 125 mm). By using the calculated percentage, adjust the zoom ratio.
2
Press <Adjust Using Test Page>.
3
Enter the length of the test page on both front and back sides press <OK>.
For example, if the measured length of <f> is 360.4 mm, enter 360.4. The difference in length (0.4 mm in this case), is automatically reduced, so that the image is printed in the correct size.
<f>
Enter the measured length of <f> mark on the test page.
<d>
Enter the measured length of <d> mark on the test page.
As necessary, try printing the test page again and then check the correction amount.
3
Press <OK>.
Correct Image Misalignment (C7700 Series Only)
This setting enables you to correct the misaligned image position by adjusting the margin on the left side of the paper to the feeding direction.
Right side
Feeding direction
Lead edge
Rear edge
Left side
If the printed image is misaligned, make sure to specify the <Correct Image Misalignment> mode first.
1
Press <Change> for <Adjust Image Position>.
2
Press <Set Details> <Correct Image Misalignment>.
If you want to enter the values of the test page you measured manually
If you want to enter the values of the test page you measured manually
1
Measure the length of <i> and <j> on the test page.
<i> is printed on the front left edge of the feeding direction, while <j> is printed on the rear left edge.
Example: <i> = 21.0 mm, and <j> = 20.5 mm Measure the length of the <i> and <j> marks correctly as shown below.
Correct measuring method
Incorrect measuring method
2
On the <Correct Image Misalignment> screen, enter the actual <i> and <j> values for the front and back sides
<i>
Enter the measured length of <i> mark on the test page.
<j>
Enter the measured length of <j> mark on the test page.
Following the example, setting a length of 21.0 mm for <i> and 20.5 mm for <j> causes the skewed difference of 0.5 mm to be automatically corrected.
3
Perform the test page again, and check the image position press <OK>
If you want to enter the values of the output paper you measured manually
1
Check the image position on the output paper.
In this example, the length of <h> is 360.0 mm, <i> is 21.0 mm, and <j> is 20.5 mm.
2
Measure and enter values of the following items press <OK>.
Using the following three numerical values, a device automatically adjusts so that printing area and a paper may become parallel.
<h>
Enter the measured length of the left side on the printing area.
<i>
Enter the measured length from the left side lead edge of the printing area to the left side edge of the paper.
<j>
Enter the measured length from the left side tail end of the printing area to the left side edge of the paper.
Following the example, setting a length of 360.0 mm for <h>, 21.0 mm for <i>, and 20.5 mm for <j> causes the alignment difference of 0.5 mm to be automatically corrected.
3
Output the print again, and check the image position press <OK>.
Repeat the correction again, if necessary.
3
Press <OK> <OK>.
To restore the accumulated value, press <Restore Initial Settings>.
If register marks are printed on the output paper, the printed area is equal to the area inside the register marks.
Correct Distortion (Trapezoid) (C7700 Series Only)
This setting enables you to correct the image shape by equalizing the length of the right and left side of the printing area when the image is printed like a trapezoid.
Right side
Feeding direction
Lead edge
Rear edge
Left side
Make sure to specify the <Correct Image Misalignment> mode and then the <Corr. Distortion (Trapezoid)> mode, before specifying the <Corr. Distortion (Parallelogram)> mode.
If you want to enter the values of the test page you measured manually
1
Measure the length of the <b> and <h> marks on the test page.
The mark <b> is printed on the right side and the mark <h> is printed on the left side of the feeding direction.
In this example, the length of <b> is 360.0 mm, and <h> is 355.5 mm.
2
On the <Corr. Distortion (Trapezoid)> screen, enter "250.0" for <c> for both the front and back sides.
3
Enter the <b> and <h> values for front and back sides.
<b>
Enter the measured length of <b> mark on the test page.
<h>
Enter the measured length of <h> mark on the test page.
Following the example, setting a length of 360.0 mm for <b> and 355.5 mm for <h> causes the distortion difference of 0.5 mm to be automatically corrected
4
Perform the test page again, and check the image position press <OK>.
Repeat the correction again, if necessary.
If you want to enter the values of the output paper you measured manually
1
Check the image position on the output paper.
In this example, the length of <c> is 250.0 mm, <b> is 360.0 mm, and <h> is 355.5 mm.
2
Measure and enter values of the following items press <OK>.
Using the following three numerical values, a device automatically adjusts so that the distorted printing area may be corrected.
<c>
Enter the measured length of the lead edge of the printing area in relation to the feeding direction.
<b>
Enter the measured length from the right side lead edge of the printing area to the right side tail end of the printing area.
<h>
Enter the measured length from the left side lead edge of the printing area to the left side tail end of the printing area.
Following the example, setting a length of 250.0 mm for <c>, 360.0 mm for <b>, and 355.5 mm for <h> causes the alignment difference of 0.5 mm to be automatically corrected.
3
Output the print again, and check the image position press <OK>.
Repeat the correction again, if necessary.
3
Press <OK> <OK>.
To restore the accumulated value, press <Restore Initial Settings>.
If register marks are printed on the output paper, the printed area is equal to the area inside the register marks.
Correct Distortion (Parallelogram) (C7700 Series Only)
This setting enables you to correct the image shape by equalizing the length from the <a> and <g> to the lead edge of the paper when the image is printed like a parallelogram.
Right side
Feeding direction
Lead edge
Rear edge
Left side
Make sure to specify the <Correct Image Misalignment> mode first, before specifying the <Corr. Distortion (Parallelogram)> mode.
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