Image Displacement/Out Of Focus; Partially Blank/Streaked; How To Correct Color Displacement That Occurs In The Output; White Gap Occurring On Dark Color Immediately After Halftone - Canon imagePRESS C800 Series Troubleshooting Manual

Chapter 1
[Caution] The speed of registration may slow down and the magnification of the sub-scanning (the feed direction) slightly becomes larger with this change of the
setting.
8) Output the image having shown the symptom, and check that the symptom does not occur. If the symptom no longer occurs, the work is completed.
If the symptom does not improve, set the value to "-0.5" in the step 7).

1.1.1.4 Image Displacement/Out of Focus

1.1.1.4.1 How to correct color displacement that occurs in the output

[ Manual-related ]
Description
You can automatically correct color displacement that occurs in the output. Procedure for the color mismatch correction is below.
Field Remedy
Press Settings/Registrations > Adjustment/Maintenance > Adjust Image Quality > Auto Correct Color Mismatch > press "Start".
[Caution]
Make sure to perform this function in the stable room environment (i.e. temperature and humidity). The color mismatch may become more noticeable due to the
rapid changes in room environment, especially soon after staring up an air conditioner during summer or winter season.

1.1.1.5 Partially Blank/Streaked

1.1.1.5.1 White gap occurring on dark color immediately after halftone

[ Manual-related ]
Description
When copying and printing, the white gap occurs.
[Reference] The white gap is a symptom that causes halftone immediately bordering the dark color of same color to have a fine line in white.
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