Checking the finishing

Check the finishing of the printed document. Check the following items, and then make adjustments if needed.

Check item

Check point

Adjustment method

Finishing size / Paper type

  • Has it been set to the specified Paper Size?

  • Has it been printed on papers in the specified tray?

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Alignment of the front side and back side (use the sample chart)

Are the print positions of the front side and back side the same?

to Shifted either upward, downward, leftward or rightward: Image shift adjustment

Zoom/Image Shift Adjustment

Are the print positions of the front side and back side the same?

to The scale has been changed: Adjustment for the vertical magnification and horizontal magnification

Zoom/Image Shift Adjustment

Check the cover lead edge

Is the left cover lead edge displaced with reference to the body sets in perfect binding mode?

Cover Lead Edge Adjustment

Check the position of the spine corner forming

Is the spine of the cover uniform with reference to the scanning direction without curling up or caving in when perfect-binding?

Spine Corner Forming Position Adjustment

Check the body alignment width

Check the body of the perfect binding for misalignment or distortion in the crosswise direction

to Sub compile unit, CD alignment width adjustment

Sub Compile CD Width Adjustment

Check the body of the perfect binding for misalignment or distortion in the crosswise direction

to Clamp unit, CD alignment width adjustment

Clamp CD Width Adjustment

Check the body of the perfect binding for misalignment or distortion in the paper feed direction

Clamp FD Position Adjustment

Check the cover alignment position

Is there any misalignment between the body sets and cover in the direction perpendicular to the feed direction in perfect binding mode?

Cover Up/Down CD Width Adjustment

Check the image quality

Are the image quality and colors stable without any fluctuation?

to The image quality and colors are unstable: Carry out the corrective operations

In case of the following symptoms, carry out the corrective operations.

  • Each position of YMC colors does not match with each other

  • The image is grainy or has small dots or white spots

  • A white line appears at the same position

Execute Adjust Operation

Have the colors been reproduced just as expected?

to Far from what is expected

Spot Color Information

Alternative Color (Replacing RGB with CMYK)

Alternative Color (Replacing CMYK with CMYK)

Adjusting Tone Curves