EPSON WF-4830, WF-4820 Series Service Manual Page 141-160

EPSON WF-4830 Series/WF-4820 Series Revision A Adjustment Adjustment Program 153 Confidential Adjustment (Print adjustment by program) Head angular adjustment Use software to correct the vertical or horizontal tilting that occurs at the time of print attachment. • Paper type: Plain Paper • Size: A4 • Paper source: Paper Cassette 1st Select "Head angular adjustment" from the Adjustment Program and execute the item to print the adjustment pattern. Determine the adjustment value from the adjustment pattern based on the judgment criteria and then enter the adjustment value from the Head angular adjustment menu. • Adjustment Program P.157 Bi-d adjustment Use software to correct the print timing for aligning the print position between the outward path and return path when bidirectional printing. • Paper type: Plain Paper • Size: A4 • Paper source: Paper Cassette 1st Select "Bi-d adjustment" from the Adjustment Program and execute the item to print the adjustment pattern. Determine the adjustment value from the adjustment pattern based on the judgment criteria and then enter the adjustment value from the Bi-d adjustment menu. • Adjustment Program P.158 Paper Skew adjustment Use software to correct the print timing for aligning the print position between the outward path and return path when bidirectional printing in band feed mode. • Paper type: Plain Paper • Size: A4 • Paper source: Paper Cassette 1st Select "Paper Skew adjustment" from the Adjustment Program menu and execute the item to print the adjustment pattern. Determine the adjustment value from the adjustment pattern based on the judgment criteria and then enter the adjustment value from the Paper Skew adjustment menu. • Adjustment Program P.159 PW / 1st Dot adjustment PW Adjustment: Use software to correct the offset due to sensor characteristics and attachment variations. 1st Dot Adjustment: Use software to correct the print timing so that the main scanning direction print start position becomes the target value. • Paper type: Photo matte paper (PW adjustment), Plain Paper (1st Dot adjustment) • Size: A4 • Paper source: Any (Paper Cassette 1, Paper Cassette 2 (1st Dot adjustment only) Select "PW / 1st Dot adjustment" from the Adjustment Program and execute the item to print the adjustment pattern. Determine the adjustment value from the adjustment pattern based on the judgment criteria and then enter the adjustment value from the PW / 1st Dot adjustment menu. • Adjustment Program • Ruler P.160 Adjustment (Program) PE adjustment Use software to correct the paper detection position offset caused by variations in the PE sensor attachment position and print head position. • Paper type: Plain Paper • Size: A4 • Paper source: Paper Cassette 1st Select "PE adjustment" from the Adjustment Program menu and execute, and run plain paper through. Correct in software paper errors in detected position. • Adjustment Program --- Adjustment Item Purpose Adjustment / inspection paper / feed tray Adjustment procedure overview Tools Reference Category Name
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Epson WF-4830 Series Service Manual Page 141-160
Epson WF-4820 Series Service Manual Page 141-160

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