Toshiba e-STUDIO281c, 451C, 351C manual To Obtain Smooth Gray-scale Photo Images

Page 86

2. Copier-specific Adjustments

2.14 To Obtain Smooth Gray-scale Photo Images

Before the adjustment

After the adjustment

Halftones are not accurately reproduced.

Explanation

Halftones are reproduced better.

When a photo image or gradational image is copied in Black mode with the Text/Photo mode option selected, halftones are not accurately reproduced. Select Image smoothing mode from among the original mode options, in order to reproduce halftones better in Black mode.

*Remember that the copy image obtained in Image smoothing mode cannot be stored in the e-Filing box.

2.14 e-STUDIO281c/351c/451c

Image 86

Contents File No. SME05001100 R05072188300-TTEC Ver002005-11 Toshiba TEC Corporation Revision Record Precautions in Servicing Purpose of the Imaging ManualIcons Table of Contents Scanning-specific Adjustments Printer-specific AdjustmentsFiling-specific Adjustments To Obtain a Darker Image Before the adjustment After the adjustment‰ Procedures ‰ ExplanationTo adjust the copy image quality To adjust the print image qualityPaper type Code Subcode Value Acceptable Default Paper type Acceptable paper weight‰ Cautions after the completion of the adjustment ‰ RemarksBefore the adjustment To Achieve the Image Quality Most Suitable for Paper Used‰ Explanation To Adjust the Blurred or Grained Image ‰ Cautions after the completion of the adjustment Plain paper Thick 05-293 60 to Plain paper Thick 05-1822 75 to Code Subcode Value recommended Acceptable Default ‰ Cautions after the completion of the adjustment To optimally program image quality control To Minimize Variations in the Image Quality after Power-on‰ Explanation After the adjustment Invalid Before the adjustment After the adjustment Value for Difference in relative humidity Sheets default Value for‰ Cautions after the completion of the adjustment To Correct Out-of-Register Colors STUDIO3511/4511e-STUDIO281c/351c/451cReferred ‰ ProcedureProcedure Code Test print pattern Printing Paper SizeColor Code Subcode Value recommended Acceptable value range Correction at the leading edge Correction at the trailing edge05-69 Grid pattern for identifying out-of-register colors 05-64 Test print pattern 64 block pattern Correction at the leading/trailing edge ‰ Cautions after the completion of the adjustment Copier-specific Adjustments To Sharply Copy Light Text or Thin LinesTo Adjust the Copy Image Quality in Black Mode Original mode Code Value recommendedSubcode Area for the density to be adjusted Value Background peak Text peak To Adjust the Copy Image Quality in Full Color Mode ‰ Cautions after the completion of the adjustment To Adjust the Copy Image Quality in Auto Color Mode ‰ Cautions after the completion of the adjustment To Closely Match with the Color Balance of the Original ‰ Procedures 05-1779 Text 05-1780 Printed image 05-1781 Yellow ‰ Cautions after the completion of the adjustment To Improve the Reproducibility of Gray Subcode Area for the density to be adjusted To Copy in Vivid Colors Subcode Area for the density to be adjusted To improve the highlight reproducibility Photo Subcode Area for the density to be adjusted ‰ Cautions after the completion of the adjustment To Eliminate the Background Color Original Code Value recommended Acceptable Default Mode Fixed Varied Original mode Code Value recommended Acceptable Default 05-1691 Map 05-1692 ‰ Cautions after the completion of the adjustment After the adjustment To Adjust the Copy Image Quality in Black Mode Value Background peak Text peak Original mode Code Value recommended Acceptable Default To Adjust the Copy Image Quality in Full Color Mode ‰ Cautions after the completion of the adjustment To Eliminate Moiré Value for Default original mode at power-on To change default original mode on the Control PanelTo change default original mode in setting mode 05-604 Set a value smaller than Text 05-605 ‰ Cautions after the completion of the adjustment To Copy Sharply To enhance sharpness 05-604 Set a value larger than Text 05-605 To Make Photo Edges Look Softer Copier-specific Adjustments Black Color mode Code Value recommended Acceptable Default Value Advantage of image qualityTo Make Solid Filled Bold Text Logo Highly Colored To Adjust the Copy Image Quality of a Black Logo Text 05-1795 Set a value larger than 128 Black To Adjust the Copy Image Quality of a Colored Logo Subcode Area for the density to be adjusted To Sharply Contrast the Hues of Highlighters on the Copy Code Mode to assign Acceptable Default Marker ColdSubcode Area for the density to be adjusted To Obtain a Good Color Balance on Thick Paper Paper mode Code Value recommendedAcceptable value range Default Nothing in particular To Obtain Smooth Gray-scale Photo Images ‰ Procedure To Change the Threshold in Auto Color Mode Threshold to be adjusted Code Acceptable To Clearly Copy Text To adjust the density of text Text/Photo 05-648 Approx To Adjust the Twin Color Copy Image Quality To adjust the image quality in red and black modeTo Adjust the Reproducibility of Black in Red and Black Mode To Adjust the Tint of Red in Red and Black ModeTo Adjust the Image Quality Scanned from the Radf Value Advantage of image quality Reproductivity Background Printer-specific Adjustments To Maintain a Steady Color BalancePrinter-specific Adjustments To Obtain the Desired Color Balance For Windows For Macintosh MenuText and graphics in this option PS3 Recommended Halftone CodeValue Acceptable Image Quality Type Halftone option applied Windows Macintosh As viewed on the monitor Before the adjustment To Closely Match with the Color Balance on the Monitor‰ Procedure For Macintosh To Maintain a Uniform Gray Hue ‰ Procedure Quality Ö Pure Black & Gray For Windows Quality Ö Color Resolution Type ‰ Cautions after the completion of the adjustment To Easily Adjust the Overall Brightness ‰ Procedure To Easily Adjust the Overall Saturation ‰ Cautions after the completion of the adjustment To Clearly Print Light-colored Thin Lines or Text PCL5c PS3 For Macintosh To adjust the image quality in full-color printing PCL5c 600 x Detail 05-1030 1200 x 05-1038 Yellow To adjust the image quality in black-and-white printing Value Acceptable DefaultTo Clearly Print Thin Lines/Double Lines PCL5c PCL6 PS3 Printing Modes Ö Distinguish Thin Lines To Print in Toner Save Mode To Decrease the Image Density and Save TonerFor Windows Quality Ö Toner Save To Adjust the Image Density in Toner Save Mode Code Value recommended Acceptable Default Value range To Print Illegible Gray or Colored Text in Black ‰ Remarks To Ignore Blank Pages for Printing For Windows Printing Modes Ö Do not Print Blank Pages ‰ Cautions after the completion of the adjustment To Sharply Print Black Text For Windows For Macintosh PCL5c PCL6 PS3 PS3 Acceptable Default Adjusted ‰ Remarks To check the definition of black text Printer-specific Adjustments Filing-specific Adjustments To Clearly Store the B/W Image in Auto Color ModeFiling-specific Adjustments To Store the Original, while Reducing the File Size Ex. A4, 200 dpi, LOW = Approx KBTo change the default Jpeg compression rate To utilize the templateTo Store the Color Photo Image, while Minimizing Moiré To change default original mode on the Control Panel To change the density in Copy to Box ‰ Remarks To adjust the color balance in Print to Box To Match with the Color Balance on the OriginalPrint to Box PCL5c To Scan and Print, while Minimizing Moiré 05-1088 To Finely Print the Image Stored in the e-Filing box To Print Images Stored through Copy to Box or Print to BoxPrint to Box Scan to Box RGB data ‰ Explanation To Print Images Stored through Scan to Box Filing-specific4.Adjustments Scanning-specific Adjustments To Clearly Scan Text To reduce noise around textResolution File size ratio To Scan the Original, while Eliminating the Background Color To eliminate the background density05-1072 Gray scale 05-848 To Clearly Scan and Print the Original in Black and White To improve gradation and reduce graininess‰ Cautions after the completion of the adjustment To Scan the Original, while Reducing the File Size Scanning-specific Adjustments Original mode File size ratio Procedures used Possible image degradation‰ Remarks Image looks too soft and blurred 05-840 Text 05-841 To Scan the Original, while Enhancing Black ‰ Procedure To Scan the Original with the Desired Gradation Color mode Original mode Code Value recommended Acceptable Default Value range

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