Canon imageRUNNER C1325 Series, Service Manual

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Disassembly/Assembly > Original Exposure/Feed System > Removing the ADF Unit > ADF Unit
Disassembly/Assembly > Original Exposure/Feed System > Removing the ADF Unit > ADF Unit
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ADF Unit
● Prepare before Adjustment
Prepare a test chart. A test chart is made when there is no test chart.
A test chart is drawn the rectangle that the end of 4 is smaller by 10 mm than a paper, and a
test chart is made in the form of A4 or LTR.
NOTE:
Write a character and a mark to know the direction of the copied image.
(Make sure that the face, back, leading edge and trailing edge of paper can be
indetified.)
10 mm
10 mm
10 mm
10 mm
● Procedure after Replacement
CAUTION:
When the ADF has been replaced or removed from the reader, the following adjustment
is necessary.
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Adjustment of the Degree of a Right Angle
1) Set a test chart on ADF, and give one sheet of copy.
2) Confirm the degree of a right angle of the image on the leading edge of the test chart and
the copied form.
Measure the dimension of A and B at the leading edge of the copied form.
When the amount of skew is not in the following standard, adjust it from the step 3).
• Standard Value: A - B = 0 +/- 1.5 mm
B
A
Copy of the test chart Feed direction
3) Loosen the 4 Fixing Screws of the Right Hinge, and then move the hinge to adjust the
squareness.
4x
[1] [1]
[2] [2]
4) After completion of the adjustment, tighten the 4 Fixing Screws of the Right Hinge you
loosened in step 3).
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