Toshiba e-STUDIO 2500c Manual
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File No. SME06002500
R060721C4500-TTEC
Ver00_2006-09

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Summary of Contents for Toshiba e-STUDIO 2500c

  • Page 1 File No. SME06002500 R060721C4500-TTEC Ver00_2006-09...
  • Page 2 © 2006 TOSHIBA TEC CORPORATION All rights reserved Under the copyright laws, this manual cannot be reproduced in any form without prior written permission of TOSHIBA TEC CORPORATION. No patent liability is assumed, however, with respect to the use of the information contained herein.
  • Page 3 Revision Record File No. SME06002500 Date Rev.No Item Descriptions Remarks September, 2006 Issue of the first version...
  • Page 4 In addition, this manual is expected to facilitate the marketing of Toshiba MFPs to prospective customers that have a specific demand for image quality and the expansion of sales.
  • Page 5 Purpose of the Imaging Manual Icons The following icons used in this manual denote the following: : • Copy ——— An adjustment having an effect on copying in the Black mode (excluding the Image smoothing mode) • Printer ——– An adjustment having an effect on Black and White mode printing * The adjustment will be effective, if "Black and White"...
  • Page 6: Table Of Contents

    Table of Contents 1. General Adjustments – Copying, Printing and e-Filing (Output from Box) To Obtain a Darker Image To Adjust the Density of an Entire Copy 1.2.1 To Adjust the Density on a Solid Colored Image 1.2.2 To Adjust the Density on a Photo or Gradational Image To Achieve the Image Quality Most Suitable for the Paper Used (To eliminate blur and graininess from an image) To Minimize Variations in the Image Quality under the Operating Conditions...
  • Page 7 Table of Contents 2.16 To Adjust the Twin-Color Copy Image Quality 2.16.1 To Adjust the Tint of Colors other than Black 2.16.2 To Adjust the Reproducibility of Black in the Red and Black Mode 2.16.3 To Adjust the Boundary between Black and Colors other than Black 2.17 To Adjust the Image Quality Scanned from the RADF 3.
  • Page 8 Table of Contents 4. e-Filing-specific Adjustments To Clearly Store a B/W Image in the Auto Color Mode To Store an Original while Reducing the File Size To Store a Color Photo Image, while Minimizing Moiré To Match the Color Balance on the Original (To adjust the color balance in Print to Box) To Scan and Print, while Minimizing Moiré...
  • Page 10: General Adjustments - Copying, Printing And E-Filing (Output From Box)

    1. General Adjustments – Copying, Printing and e-Filing (Output from Box) 1.1 To Obtain a Darker Image Before the adjustment After the adjustment The output image looks light and blurred. The output image looks darker and sharper. Explanation When an original containing photo images or gradational images is printed, the output image sometimes looks light and blurred.
  • Page 11 1. General Adjustments – Copying, Printing and e-Filing (Output from Box) To adjust the copy image quality Use steps (a) through (i) to perform automatic calibration. (a) Press the [USER FUNCTIONS] button on the Control Panel to enter the "User Functions" menu. (b) Press the [ADMIN] button.
  • Page 12 1. General Adjustments – Copying, Printing and e-Filing (Output from Box) (3) Enter adjustment mode [05]. Change the values for codes [2934 to 2937] to adjust the transfer (2nd transfer) roller bias output. (Adjust the offset voltage of transfer roller bias so as to increase the density of the image.) •...
  • Page 13 1. General Adjustments – Copying, Printing and e-Filing (Output from Box) <Hint> The transfer voltage increases as the set value is increased. It is usually recommended that the set value be increased, when you print on thick paper or paper with asperities on its surface. On the other hand, the set value should be decreased, when you print on thin paper.
  • Page 14: To Adjust The Density Of An Entire Copy

    1. General Adjustments – Copying, Printing and e-Filing (Output from Box) 1.2 To Adjust the Density of an Entire Copy Explanation The density on a solid colored image and a photo or gradational image (halftones) can be adjusted as desired by the user.
  • Page 15 1. General Adjustments – Copying, Printing and e-Filing (Output from Box) (1) Enter setting mode [08]. Change the value to adjust the density of a solid area during the copying/printing operation. • Use steps (a) to (c) to perform the adjustment. (a) Enter setting mode [08].
  • Page 16 1. General Adjustments – Copying, Printing and e-Filing (Output from Box) <Note> The above corrections will be effective immediately after the values for codes [08-2513 to 2515] are changed. After changing the values for codes [08-2513 to 2515], remember to perform image quality control for code 05-396. (c) After completing image quality control, print and check the print image quality.
  • Page 17: To Adjust The Density On A Photo Or Gradational Image

    1. General Adjustments – Copying, Printing and e-Filing (Output from Box) 1.2.2 To Adjust the Density on a Photo or Gradational Image If the density is decreased If the density is increased An original containing halftones, such as a An original containing halftones, such as a photo image becomes lighter.
  • Page 18 1. General Adjustments – Copying, Printing and e-Filing (Output from Box) (1) Enter setting mode [08]. Change the value to adjust the image density of halftones during the copying/printing operation. • Use steps (a) to (c) to perform the adjustment. (a) Enter setting mode [08].
  • Page 19 1. General Adjustments – Copying, Printing and e-Filing (Output from Box) (b) Enter adjustment mode [05]. Select code [396]. Press the [START] button. • Image quality control will be forcibly performed and the image density will be corrected. <Note> The above corrections will be effective immediately after the values for codes [08-2525 to 2527] are changed.
  • Page 20: To Achieve The Image Quality Most Suitable For The Paper Used

    1. General Adjustments – Copying, Printing and e-Filing (Output from Box) 1.3 To Achieve the Image Quality Most Suitable for the Paper Used (To eliminate blur and graininess from an image) Before the adjustment After the adjustment The image looks grained, depending on the A clear image quality, most suitable for a type type of paper.
  • Page 21 1. General Adjustments – Copying, Printing and e-Filing (Output from Box) Recommended Acceptable Paper type [05] code Subcode Default value value range Plain paper Thick 1 Thick 2 Thick 3 Front 05-2934 2 to 8 0 to 10 Special 1 Special 2 Recycled paper Full color...
  • Page 22 1. General Adjustments – Copying, Printing and e-Filing (Output from Box) (2) Check the life of the consumables (particularly the drum, developer material and fuser unit) and replace them, if necessary. • When replacing any consumable, use steps (a) to (c). (a) Enter the PM support mode.
  • Page 23 1. General Adjustments – Copying, Printing and e-Filing (Output from Box) Precautions after the completion of the adjustment Nothing in particular. Remarks • Enter the value mentioned in the procedures or one within the recommended value range for the adjustment. Otherwise, it may cause a loss in MFP performance, including degradation in the image quality and a reduction in the life of the consumables.
  • Page 24: To Minimize Variations In The Image Quality Under The Operating Conditions

    1. General Adjustments – Copying, Printing and e-Filing (Output from Box) 1.4 To Minimize Variations in the Image Quality under the Operating Conditions (To optimally program image quality control) Before the adjustment After the adjustment The image contrast varies, depending on the The image quality is constantly maintained.
  • Page 25 1. General Adjustments – Copying, Printing and e-Filing (Output from Box) Explanation The image contrast may vary, depending on the date and time when copying or printing is performed or the type of copy/print job. To constantly maintain image quality, shorten the waiting period until image quality control is performed.
  • Page 26 1. General Adjustments – Copying, Printing and e-Filing (Output from Box) To Have Uniform Variations in the Image Quality after Return from the Auto Power Save Mode: Set the value for code 08-571 within a range of "1" to "3" to shorten the operating condition period when image quality control is performed after the MFP is returned from the auto power save mode (time when no MFP operations are being performed and when the MFP is left for image quality control).
  • Page 27 1. General Adjustments – Copying, Printing and e-Filing (Output from Box) (2) Check the life of the consumables (particularly the drum, developer material and transfer belt unit) and replace them, if necessary. • When replacing any consumable, use steps (a) to (c). (a) Enter the PM support mode.
  • Page 28: To Correct Out-Of-Registration Colors

    1. General Adjustments – Copying, Printing and e-Filing (Output from Box) 1.5 To Correct Out-of-Registration Colors Before the adjustment After the adjustment Paper feeding direction Paper feeding direction The text and background are misaligned or out Text is aligned with the background and a clear of registration.
  • Page 29 1. General Adjustments – Copying, Printing and e-Filing (Output from Box) (4) Check the second page of the printed test print pattern to identify a pattern for the out-of-registration colors. * There are 2 patterns for the out-of-registration colors. Check which pattern the out-of-registration colors to adjust on the body are included.
  • Page 30 1. General Adjustments – Copying, Printing and e-Filing (Output from Box) (5) Finely adjust the rotating speed of the registration motor, in accordance with a pattern for the out-of- registration colors. • Use steps (a) to (b) to perform the adjustment. (a) Enter adjustment mode [05].
  • Page 31 1. General Adjustments – Copying, Printing and e-Filing (Output from Box) Precautions after the completion of the adjustment Nothing in particular. Remarks • Enter a value within the recommended value range mentioned in the procedures. Otherwise, it may cause a loss in MFP performance, including degradation in the image quality.
  • Page 32: Copier-Specific Adjustments

    2. Copier-specific Adjustments 2.1 To Copy Text Clearly (To eliminate faint, smudged or blurred text) Before the adjustment After the adjustment When a light print image is copied, the text The graphic image and text look darker and looks blurred. sharper.
  • Page 33: To Adjust The Copy Image Quality In The Black Mode

    2. Copier-specific Adjustments 2.1.1 To Adjust the Copy Image Quality in the Black Mode * You can start with any of the procedures. But it is recommended to perform the procedures in order, as listed below. You can use one procedure in conjunction with another. But if this changes the image quality more than required or loses the effectiveness of the adjustment, restore the settings made in the previously used procedure to the original ones.
  • Page 34 2. Copier-specific Adjustments (4) Press the [BASIC] button on the Control Panel. Select "TEXT" from among the original mode options. * To have "TEXT" selected from among the original mode options by default, refer to procedure (1) in 2.8 To Eliminate Moiré. After selecting the Text mode, copy and check the copy image quality.
  • Page 35 2. Copier-specific Adjustments (7) Enter adjustment mode [05]. Change the values for codes [570/572] or [693/695] to set the background peak of range correction to "fixed" in the manual copy density mode. • The code to use varies according to the density option (auto or manual), original mode, (Text/Photo, Photo or Text) and use of the RADF (MR-3018).
  • Page 36: To Adjust The Copy Image Quality In The Full Color Mode

    2. Copier-specific Adjustments 2.1.2 To Adjust the Copy Image Quality in the Full Color Mode * You can start with any of the procedures. But it is recommended to perform the procedures in order, as listed below. You can use one procedure in conjunction with another. But if this changes the image quality more than required or loses the effectiveness of the adjustment, restore the settings made in the previously used procedure to the original ones.
  • Page 37 2. Copier-specific Adjustments * The values adjusted for the sharpness intensity are shared in the Full color mode with the Printed image mode selected and in the Black mode with the Photo mode selected. Therefore, adjusting the copy image quality in either of the modes affects that in the other mode. Perform copy image quality adjustment in the mode that is used for the adjustment, while checking the one in the other mode.
  • Page 38: To Adjust The Copy Image Quality In The Auto Color Mode

    2. Copier-specific Adjustments 2.1.3 To Adjust the Copy Image Quality in the Auto Color Mode * You can start with any of the procedures. But it is recommended to perform the procedures in order, as listed below. You can use one procedure in conjunction with another. But if this changes the image quality more than required or loses the effectiveness of the adjustment, restore the settings made in the previously used procedure to the original ones.
  • Page 39 2. Copier-specific Adjustments Precautions after the completion of the adjustment The adjustment may possibly cause an increase in the amount of toner used, moiré, blurred text (small, dark text blurred), diminished photo images or gradational images (less accurate reproducibility of halftones). Therefore, carefully perform the adjustment, while checking the copy image.
  • Page 40: To Closely Match The Color Balance Of The Original

    2. Copier-specific Adjustments 2.2 To Closely Match the Color Balance of the Original Before the adjustment After the adjustment Copy Copy The copy image looks yellowish, compared The color balance of the copy image is closely with the original. matched with that of the original. Explanation Depending on the color balance of the original, the copy image sometimes looks different from the original.
  • Page 41 2. Copier-specific Adjustments (1) Enter adjustment mode [05]. Select code [396]. Press the [START] button. • Image quality control will be forcibly performed to correct the color balance and copy density. After exercising image quality control, use procedure (2). (2) Perform automatic calibration to correct variations in the copy density. * [ADMIN] is selected from among the [CALIBRATION DISPLAY LEVEL] options by default.
  • Page 42: Text

    2. Copier-specific Adjustments (4) Perform color balance adjustment or RGB adjustment to adjust the tint of colors in general. • Use steps (a) through (d) to perform the adjustment. (a) Press the [IMAGE] button on the Control Panel. (b) Press the [COLOR BALANCE] button to adjust the color balance by changing the amount of toner (C, M, Y and K) or the [RGB ADJUSTMENT] button to adjust the color balance by changing the intensity of R, G and B.
  • Page 43: Precautions After The Completion Of The Adjustment

    2. Copier-specific Adjustments Precautions after the completion of the adjustment The adjustment may possibly cause offset failure, particularly when the highly colored original is copied in the Photo mode. Therefore, carefully perform the adjustment, while checking the copy image. Remarks Enter a value within the recommended value range mentioned in the procedures.
  • Page 44: To Improve The Reproducibility Of Gray

    2. Copier-specific Adjustments 2.3 To Improve the Reproducibility of Gray Before the adjustment After the adjustment Another color (M) is blended in the gray area. No undesired color is blended. A clear copy image is obtained. Explanation When an original containing gray is copied, another color may be blended in the gray area. Perform image quality control, automatic calibration, color adjustment (color balance adjustment or RGB adjustment) and color density adjustment, in order to avoid this problem (or to obtain an achromatic color, for instance).
  • Page 45 2. Copier-specific Adjustments (3) Perform color balance adjustment or RGB adjustment to adjust the tint of colors in general. * For further information regarding the adjustment procedures, refer to procedure (4) in 2.2 To Closely Match the Color Balance of the Original. After adjusting the tint of colors, copy and check the copy image quality.
  • Page 46: To Copy In Vivid Colors

    2. Copier-specific Adjustments 2.4 To Copy in Vivid Colors Before the adjustment After the adjustment When a copy is made without any adjustments, The copy image is obtained in vivid colors. the vividness is insufficient on the copy image. Explanation When a copy is made without any adjustments, the vividness may be insufficient on the copy image.
  • Page 47 2. Copier-specific Adjustments (1) Press the [IMAGE] button on the Control Panel. Press the [ONE TOUCH ADJUSTMENT] button. Press the [VIVID] button. After selecting the "Vivid" option, copy and check the copy image quality. When the copy image quality with the "Vivid" option is insufficient, cancel the "Vivid" option and use the next procedure.
  • Page 48 2. Copier-specific Adjustments (4) Enter adjustment mode [05]. Change the values for codes [1779 to 1798] to adjust the color density. Color to Acceptable Original mode [05] code Subcode Recommended value Default adjust value range Text/Photo 05-1779 0/1/2 Text 05-1780 0/1/2 Printed image 05-1781...
  • Page 49 2. Copier-specific Adjustments (5) Enter adjustment mode [05]. Change the value for code [2905] to adjust the transfer (1st transfer) roller bias output. (Adjust the offset voltage of transfer roller bias for C (Cyan) and K (Black) so as to increase the density of R (Red).) •...
  • Page 50: To Make The Pale Area Of The Original Look Darker And Sharper

    2. Copier-specific Adjustments 2.5 To Make the Pale Area of the Original Look Darker and Sharper (To improve the highlight reproducibility) Before the adjustment After the adjustment The splashing area (highlight) is blurred. A clear copy image of the splashing area is obtained.
  • Page 51 2. Copier-specific Adjustments (2) Enter adjustment mode [05]. Change the values for codes [1688 to 1692] and [1698 to 1702] to adjust the background density. * The highlighted area will become highly visible, if the background density is increased. Acceptable Adjustment Original mode [05] code Recommended value...
  • Page 52 2. Copier-specific Adjustments (4) Enter adjustment mode [05]. Change the values for codes [1779 to 1798] to adjust the color density. Color to Acceptable Original mode [05] code Subcode Recommended value Default adjust value range Text/Photo 05-1779 Text 05-1780 Printed image 05-1781 (Yellow) Photo...
  • Page 53: To Eliminate The Background Color

    2. Copier-specific Adjustments 2.6 To Eliminate the Background Color Before the adjustment After the adjustment The background color of the original is also The background color is eliminated, allowing copied. Therefore, no clear contrast is made clear contrast between the background and text. between the background and text.
  • Page 54: To Adjust The Copy Image Quality In The Black Mode

    2. Copier-specific Adjustments 2.6.1 To Adjust the Copy Image Quality in the Black Mode * You can start with any of the procedures. But it is recommended to perform the procedures in order, as listed below. You can use one procedure in conjunction with another. But if this changes the image quality more than required or loses the effectiveness of the adjustment, restore the settings made in the previously used procedure to the original ones.
  • Page 55: To Scan An Original Fed From The Radf Original Mode

    2. Copier-specific Adjustments (4) Adjust the background peak of range correction to lighten the copy image. • Use steps (a) to (b) to adjust the background peak of range correction. (a) Enter adjustment mode [05]. Change the values for codes [570/572] or [693/695] to set the background peak of range correction to "fixed."...
  • Page 56 2. Copier-specific Adjustments (b) Enter adjustment mode [05]. Increase the values for codes [532/534] to adjust the background peak of range correction and lighten the copy image. (Increase the number of pixels to be identified as "white" by range correction.) •...
  • Page 57: To Adjust The Copy Image Quality In The Full Color Mode

    2. Copier-specific Adjustments 2.6.2 To Adjust the Copy Image Quality in the Full Color Mode * You can start with any of the procedures. But it is recommended to perform the procedures in order, as listed below. You can use one procedure in conjunction with another. But if this changes the image quality more than required or loses the effectiveness of the adjustment, restore the settings made in the previously used procedure to the original ones.
  • Page 58 2. Copier-specific Adjustments <Note> "Making the highlighted area more visible (or increasing the background density)" and "eliminating the background color (or decreasing the background density)" are mutually contradictory. If the density of the background color is decreased, the highlighted area may become less visible.
  • Page 59 2. Copier-specific Adjustments (4) Press the [BASIC] button on the Control Panel. Select "TEXT" from among the original mode options. * To have "TEXT" selected from among the original mode options by default, refer to procedure (1) in 2.8 To Eliminate Moiré. Precautions after the completion of the adjustment The adjustment may possibly cause the highlighted area to become less visible on the copy.
  • Page 60: To Avoid Copying The Image Seen Through The Back Of A Page Printed On Thin Paper

    2. Copier-specific Adjustments 2.7 To Avoid Copying the Image Seen through the Back of a Page Printed on Thin Paper Original printed on thin paper (front) Original printed on thin paper (back) Before the adjustment After the adjustment When a double-sided original printed on thin The images seen through the back of the page paper is copied, the images seen through the are not copied any more in duplex copying.
  • Page 61: To Adjust The Copy Image Quality In The Black Mode

    2. Copier-specific Adjustments Procedures * The procedure to use varies, depending on whether to adjust the copy image quality in the Black mode or the Full color mode. Refer to the procedure corresponding to the user’s particular request. * Refer to the procedure to adjust the copy image quality in the Full color mode with the Printed image mode selected, in order to adjust the copy image quality in the Black mode with the Photo mode selected.
  • Page 62: Current Value

    2. Copier-specific Adjustments (4) Adjust the background peak of range correction to lighten the copy image. • Use steps (a) to (b) to adjust the background peak of range correction. (a) Enter adjustment mode [05]. Change the values for codes [570/572] or [693/695] to set the background peak of range correction to "fixed."...
  • Page 63 2. Copier-specific Adjustments (b) Enter adjustment mode [05]. Increase the values for codes [532/534] to adjust the background peak of range correction and lighten the copy image. (Increase the number of pixels to be identified as "white" by range correction.) •...
  • Page 64: To Adjust The Copy Image Quality In The Full Color Mode

    2. Copier-specific Adjustments 2.7.2 To Adjust the Copy Image Quality in the Full Color Mode * You can start with any of the procedures. But it is recommended to perform the procedures in order, as listed below. You can use one procedure in conjunction with another. But if this changes the image quality more than required or loses the effectiveness of the adjustment, restore the settings made in the previously used procedure to the original ones.
  • Page 65: To Eliminate Moir

    2. Copier-specific Adjustments <Note> "Making the highlighted area more visible (or increasing the background density)" and "eliminating the background color (or decreasing the background density)" are mutually contradictory. If the density of the background color is decreased, the highlighted area may become less visible.
  • Page 66: To Eliminate Moiré

    2. Copier-specific Adjustments 2.8 To Eliminate Moiré Before the adjustment After the adjustment Moiré occurs on the photo image. Moiré is eliminated and a clear copy image is obtained. Explanation When an original containing photo images or gradational images (halftones) is copied, moiré sometimes occurs on the copy.
  • Page 67 2. Copier-specific Adjustments 2. Copier-specific Adjustments (1) Press the [BASIC] button on the Control Panel and select the original mode option, as follows: • To copy in the Full color or the Auto color mode: Select the Printed image mode option. •...
  • Page 68 2. Copier-specific Adjustments (2) Press the [IMAGE] button on the Control Panel. Press the [SHARPNESS] button. Press the [SOFT] button to soften the copy image. After softening the copy image, copy and check the copy image quality. With the sharpness intensity set to the minimum (softest), if further image quality adjustments are still necessary, the service technician must use the next procedure.
  • Page 69 2. Copier-specific Adjustments Precautions after the completion of the adjustment Nothing in particular. Remarks • Enter a value within the recommended value range mentioned in the procedures. Otherwise, it may cause a loss in MFP performance, including degradation in the image quality. •...
  • Page 70: To Copy Sharply (To Enhance Sharpness)

    2. Copier-specific Adjustments 2.9 To Copy Sharply (To enhance sharpness) Before the adjustment After the adjustment The image looks light and blurred on the copy. The edges are enhanced and the copy image becomes sharper. Explanation Perform adjustment regarding image processing (sharpness intensity), in order to obtain a sharper copy image, when a light or blurred original is copied.
  • Page 71 2. Copier-specific Adjustments (3) Enter adjustment mode [05]. Change the values for codes [604/605], [1737 to 1741] and [1757] to adjust the sharpness intensity. * Increasing the sharpness intensity will enhance the edges of the image. Acceptable Color mode Original mode [05] code Recommended value Default value range...
  • Page 72: To Make Photo Edges Look Softer

    2. Copier-specific Adjustments 2.10 To Make Photo Edges Look Softer Before the adjustment After the adjustment The edges (contours) of the image are highly The edges look soft. visible. Explanation When a photo image is copied, the contours or edges of the image sometimes become highly visible on the copy. Perform adjustment regarding image processing (sharpness intensity), in order to soften the edges of the image.
  • Page 73 2. Copier-specific Adjustments 2. Copier-specific Adjustments (1) Press the [BASIC] button on the Control Panel and select the original mode option, as follows: • To copy in the Full color or the Auto color mode: Select the Printed image mode option. •...
  • Page 74 2. Copier-specific Adjustments (4) Enter adjustment mode [05]. Change the values for codes [604/605], [1737 to 1741] and [1757] to adjust the sharpness intensity. * Decreasing the sharpness intensity will minimize the edges of the image. Acceptable Color mode Original mode [05] code Recommended value Default value range...
  • Page 75 2. Copier-specific Adjustments (6) Enter adjustment mode [05]. Change the value for code [1725] to adjust the level of reproducibility in Text/Photo mode. Acceptable Color mode [05] code Recommended value Default value range Full color 05-1725 Set a value smaller than 3. 0 to 5 * Set the value in increment of 1, while checking the copy image until the optimum value is obtained.
  • Page 76: To Make Solid Filled Bold Text (Logo) Highly Colored

    2. Copier-specific Adjustments 2.11 To Make Solid Filled Bold Text (Logo) Highly Colored Before the adjustment After the adjustment The solid filled graph is not highly colored The solid filled graph becomes highly colored enough. and sharper. Explanation Solid filled bold text, such as a logo, is sometimes not highly colored on the copy. Change the original mode option, perform copy density adjustment and level adjustment for black headline text, in order to make the solid filled image more highly colored.
  • Page 77: To Adjust The Copy Image Quality Of A Black Logo

    2. Copier-specific Adjustments 2.11.1 To Adjust the Copy Image Quality of a Black Logo * You can start with any of the procedures. But it is recommended to perform the procedures in order, as listed below. You can use one procedure in conjunction with another. But if this changes the image quality more than required or loses the effectiveness of the adjustment, restore the settings made in the previously used procedure to the original ones.
  • Page 78 2. Copier-specific Adjustments (4) Press the [BASIC] button on the Control Panel. Select "TEXT" from among the original mode options. * To have "TEXT" selected from among the original mode options by default, refer to procedure (1) in 2.8 To Eliminate Moiré. After selecting the Text mode, copy and check the copy image quality.
  • Page 79: To Adjust The Copy Image Quality Of A Colored Logo

    2. Copier-specific Adjustments 2.11.2 To Adjust the Copy Image Quality of a Colored Logo * You can start with any of the procedures. But it is recommended to perform the procedures in order, as listed below. You can use one procedure in conjunction with another. But if this changes the image quality more than required or loses the effectiveness of the adjustment, restore the settings made in the previously used procedure to the original ones.
  • Page 80 2. Copier-specific Adjustments (4) Enter adjustment mode [05]. Change the values for codes [1780/1785/1790/1795] or [1783/1788/1793/1798] to adjust the color density. Color to Acceptable Original mode [05] code Subcode Recommended value Default adjust value range Text 05-1780 0/1/2 (Yellow) 05-1783 0/1/2 Text 05-1785...
  • Page 81: To Sharply Contrast The Hues Of Highlighters On The Copy

    2. Copier-specific Adjustments 2.12 To Sharply Contrast the Hues of Highlighters on the Copy Before the adjustment After the adjustment Copy Copy The hues of highlighters are not accurately The areas marked with 2 different colored reproduced. The areas marked with 2 different highlighters are accurately reproduced colored highlighters are reproduced in the and distinguishable on the copy.
  • Page 82 2. Copier-specific Adjustments Procedures * You can start with any of the procedures. But it is recommended to perform the procedures in order, as listed below. You can use one procedure in conjunction with another. But if this changes the image quality more than required or loses the effectiveness of the adjustment, restore the settings made in the previously used procedure to the original ones.
  • Page 83 2. Copier-specific Adjustments (3) Perform color balance adjustment or RGB adjustment to adjust the tint of the colors in general. * For further information regarding the adjustment procedures, refer to procedure (4) in 2.2 To Closely Match the Color Balance of the Original. After adjusting the tint of colors, copy and check the copy image quality.
  • Page 84: To Obtain A Good Color Balance On Thick Paper

    2. Copier-specific Adjustments 2.13 To Obtain a Good Color Balance on Thick Paper Before the adjustment After the adjustment The copy image looks light on thick paper. The copy image looks darker and sharper even on thick paper. Explanation When a copy is made on thick paper in the thick paper mode, the copy image sometimes looks light. In the thick paper mode, the amount of toner used is reduced in advance, in order to avoid a toner fixing problem.
  • Page 85 2. Copier-specific Adjustments (1) Enter adjustment mode [05]. Change the values for codes [1613 to 1618] to adjust the amount of toner used. • The code to use varies according to the paper type. Adjust the value for [05] code corresponding to the paper type for which you would like to improve the image quality and increase the value to obtain the copy density that the user desires.
  • Page 86 2. Copier-specific Adjustments (3) Enter adjustment mode [05]. Change the values for codes [1779 to 1798] to adjust the color density. Color to Acceptable Original mode [05] code Subcode Recommended value Default adjust value range Text/Photo 05-1779 0/1/2 Text 05-1780 0/1/2 Printed image 05-1781...
  • Page 87 2. Copier-specific Adjustments Precautions after the completion of the adjustment Nothing in particular. Remarks • Enter a value within the recommended value range mentioned in the procedures. Otherwise, it may cause a loss in MFP performance, including degradation in the image quality and a reduction in the life of the consumables •...
  • Page 88: To Obtain Smooth Gray-Scale Photo Images

    2. Copier-specific Adjustments 2.14 To Obtain Smooth Gray-Scale Photo Images Before the adjustment After the adjustment Halftones are not accurately reproduced. Halftones are reproduced better. Explanation When a photo image or gradational image is copied in the Black mode with the Text/Photo mode selected, halftones are not accurately reproduced.
  • Page 89 2. Copier-specific Adjustments Procedures * Both the service technician and the user can perform all adjustments. (1) Press the [BASIC] button on the Control Panel. Select "PHOTO" from among the original mode options. * To have "PHOTO" selected from among the original mode options by default, refer to procedure (1) in 2.8 To Eliminate Moiré.
  • Page 90: To Change The Threshold In Auto Color Mode

    2. Copier-specific Adjustments 2.15 To Change the Threshold in Auto Color Mode (To change the threshold between the Full Color mode and the Black mode to meet the user’s needs) Original Copied in the Auto color mode Before the adjustment After the adjustment It is copied in the Full color mode.
  • Page 91 2. Copier-specific Adjustments Procedures * You can start with any of the procedures. But it is recommended to perform the procedures in order, as listed below. You can use one procedure in conjunction with another. But if this changes the image quality more than required or loses the effectiveness of the adjustment, restore the settings made in the previously used procedure to the original ones.
  • Page 92: To Adjust The Twin-Color Copy Image Quality

    2. Copier-specific Adjustments 2.16 To Adjust the Twin-Color Copy Image Quality Before the adjustment After the adjustment When a twin-color copy is made in the red The blend of undesired colors in the black area and black mode, red is blended into a part is reduced.
  • Page 93: To Adjust The Tint Of Colors Other Than Black

    2. Copier-specific Adjustments 2.16.1 To Adjust the Tint of Colors other than Black * Both the service technician and the user can perform all adjustments. (1) Press the [IMAGE] button on the Control Panel. Press the [TWIN COLOR COPY] button. Select the Twin-color copy mode from among the twin color copy mode options.
  • Page 94: To Adjust The Reproducibility Of Black In The Red And Black Mode

    2. Copier-specific Adjustments 2.16.2 To Adjust the Reproducibility of Black in the Red and Black Mode * The service technician must perform all adjustments. (1) Enter adjustment mode [05]. Set "1" for code [1761] to change the setting, which is intended to improve the reproducibility of black areas.
  • Page 95: To Adjust The Boundary Between Black And Colors Other Than Black

    2. Copier-specific Adjustments 2.16.3 To Adjust the Boundary between Black and Colors other than Black * Both the service technician and the user can use procedures (1) and (2). * Only the service technician must use procedure (3). (1) Press the [IMAGE] button on the Control Panel. Press the [TWIN COLOR COPY] button. Press the [RED&BLACK] button to enter the Red and black mode.
  • Page 96: To Adjust The Image Quality Scanned From The Radf

    2. Copier-specific Adjustments 2.17 To Adjust the Image Quality Scanned from the RADF Before the adjustment After the adjustment To scan an original placed on the original glass To scan an original placed on the original glass To scan an original fed from the RADF To scan an original fed from the RADF The reproducibility of background may vary, The gap in the reproducibility of background...
  • Page 97 2. Copier-specific Adjustments Procedures * The service technician must perform all adjustments. (1) Enter adjustment mode [05]. Change the value for code [361] or [362] to adjust the reproducibility of background, while scanning an original fed from the RADF. Acceptable Color mode [05] code Recommended value...
  • Page 98: Printer-Specific Adjustments

    3. Printer-specific Adjustments 3.1 To Maintain a Steady Color Balance Before the adjustment After the adjustment The color balance varies according to a change The color balance is constantly maintained. in the environment or a lapse of time. Explanation The color balance varies according to a change in the environment, replacement of the consumables and so forth. Periodically adjust the color reproducibility (automatic calibration), in order to constantly maintain a steady color balance on the printouts.
  • Page 99 3. Printer-specific Adjustments PCL6 (1) Enter adjustment mode [05]. Select code [396]. Press the [START] button. • Image quality control will be forcibly performed to correct variations in image contrast. After exercising image quality control, use the next procedure. PCL6 (2) Perform automatic calibration to correct variations in image density.
  • Page 100: To Maintain A Steady Color Balance On Thick Paper Or Special Paper

    3. Printer-specific Adjustments 3.2 To Maintain a Steady Color Balance on Thick Paper or Special Paper Before the adjustment After the adjustment Plain paper Plain paper Thick paper Thick paper The color balance varies according to the The color balance is constantly maintained on paper type.
  • Page 101 3. Printer-specific Adjustments PCL6 (1) Enter setting mode [08]. Set "2" for code [9059]. • During automatic calibration, the paper type can be selected and image quality control will be automatically performed. Image quality control operation during the Value for 08-9059 automatic calibration OFF (default) ON (with paper selection disabled)
  • Page 102: To Obtain The Desired Color Balance

    3. Printer-specific Adjustments 3.3 To Obtain the Desired Color Balance Before the adjustment After the adjustment – The natural color balance is obtained. The desired color balance is obtained. (Ex. Yellowness is enhanced.) Explanation If you would like to change the color balance or darkness of the printouts and reproducibility of halftones in accordance with a type of original or the user’s requirements, change the "Image Quality Type"...
  • Page 103 3. Printer-specific Adjustments (1) Change the "Image Quality Type" option on the printer driver. * This adjustment will be effective, only if a file created on a general application, such as Microsoft Office, is printed in PostScript (PS3 or Macintosh). It may not be effective, if a file created on a graphic application (e.g.
  • Page 104 3. Printer-specific Adjustments For Macintosh * This adjustment will have an effect only on full-color printing. Open the print dialog box. Change the "Image Type" option. * The menu to select varies according to the operating system. Refer to the table below and select the menu. Menu 8.6 / 9.x "Color Settings 2"...
  • Page 105 3. Printer-specific Adjustments * The Image Quality Type options feature the following: • General: "General" is the best-rounded option to offer fine printouts of any type of original, including text, photographs and graphics. It is suitable for printing using word- processing and spreadsheet software.
  • Page 106 3. Printer-specific Adjustments (2) Change the "Color Balance" option, the "Brightness" or "Saturation" option on the printer driver. For Windows * This adjustment will have an effect only on Auto or Color mode printing. PCL6 Open the property page of the printer driver. Press the [Image Type Quality] button in the "Image Quality" tab.
  • Page 107 3. Printer-specific Adjustments For Macintosh * This adjustment will have an effect only on full-color printing. Open the print dialog box. Change the "Color Balance" option, the "Brightness" or "Saturation" option. * The menu to select varies according to the operating system. Refer to the table below and select the menu. Menu "Color Settings 3"...
  • Page 108 3. Printer-specific Adjustments * This adjustment will have an effect only on Auto or Color mode printing. PCL6 (3) Enter adjustment mode [05]. Change the values for codes [8050 to 8065] to adjust the color density. • Adjust the value for [05] code corresponding to the print option to be applied (PDL and Halftone). Ex.: •...
  • Page 109 3. Printer-specific Adjustments * "Halftone" refers to how halftones are printed. Two options are available: "Smooth" which is intended to improve the reproducibility of gradation and "Detail" which is intended to print halftones in details (with the high frequency). The halftone option to be applied in printing can be selected from among the "Halftone" options on the printer driver (Windows) or in the print dialog box (Macintosh).
  • Page 110: To Closely Match The Color Balance On The Monitor

    3. Printer-specific Adjustments 3.4 To Closely Match the Color Balance on the Monitor As viewed on the monitor Before the adjustment After the adjustment The color balance as viewed on the monitor The color balance of the printout is closely looks different from the printout.
  • Page 111 3. Printer-specific Adjustments Procedures * Both the service technician and the user can perform all adjustments. (1) Select "Photograph" from among the "Image Quality Type" options. * This adjustment will be effective, only if a file created on a general application, such as Microsoft Office, is printed in PostScript (PS3 or Macintosh).
  • Page 112 3. Printer-specific Adjustments For Macintosh * This adjustment will have an effect only on full-color printing Open the print dialog box. Select "Photograph" from among the "Image Type" options. * The menu to select varies according to the operating system. Refer to the table below and select the menu. Menu 8.6 / 9.x "Color Settings 2"...
  • Page 113: To Maintain A Uniform Gray Hue

    3. Printer-specific Adjustments 3.5 To Maintain a Uniform Gray Hue (To maintain Consistency in Gray among Text, Photos and Graphics) Before the adjustment After the adjustment Photo area Photo area Text area Text area How gray is reproduced varies depending on All color toners are used to reproduce gray.
  • Page 114 3. Printer-specific Adjustments Procedures * Both the service technician and the user can perform all adjustments. (1) Change the "Pure Gray" option on the printer driver. ("Pure Gray" allows gray areas to always be reproduced using all color toners (C, M, Y and K) without changing the hue of color areas.) * This adjustment will be effective, only if a file created on a general application, such as Microsoft Office, is printed.
  • Page 115 3. Printer-specific Adjustments For Macintosh * This adjustment will have an effect only on full-color printing. Open the print dialog box. Select "Black - Auto" from among the "Pure Black and Gray" options. * The menu to select varies according to the operating system. Refer to the table below and select the menu. Menu 8.6 / 9.x "Color Settings 2"...
  • Page 116: To Use Only The Black Toner To Reproduce Gray Areas

    3. Printer-specific Adjustments 3.6 To Use Only the Black Toner to Reproduce Gray Areas (To use only the black toner to reproduce black-and-white photos or gradational images) Before the adjustment After the adjustment Photo area Photo area Text area Text area Using all color toners to reproduce black-and- Using only the black toner to reproduce black- white photo images (bitmap data) blends...
  • Page 117 3. Printer-specific Adjustments (1) Mark the "Pure Gray" checkbox on the printer driver. Select "Text, Graphic & Image" from among the "Apply to" options. ("Pure Gray" allows gray areas to always be reproduced using only the K toner without changing the hue of color areas.) * This adjustment will be effective, only if a file created on a general application, such as Microsoft Office, is printed.
  • Page 118 3. Printer-specific Adjustments For Macintosh * This adjustment will have an effect only on full-color printing. Open the print dialog box. Select "Black & Gray - Text, Graphic & Image" from among the "Pure Black and Gray" options. * The menu to select varies according to the operating system. Refer to the table below and select the menu. Menu 8.6 / 9.x "Color Settings 2"...
  • Page 119: To Easily Adjust The Overall Brightness

    3. Printer-specific Adjustments 3.7 To Easily Adjust the Overall Brightness Before the adjustment The image is printed with a natural brightness. (Default printing) After the adjustment After the adjustment A darker print image is obtained. A brighter print image is obtained. Explanation The brightness of the print image can be easily adjusted by changing the "Brightness"...
  • Page 120 3. Printer-specific Adjustments Procedures * Both the service technician and the user can perform all adjustments. (1) Change the "Brightness" option on the printer driver. • Select the desired value for brightness on a scale of -4 (Darkest) to 4 (Lightest). For Windows PCL5c * This adjustment will have an effect only on Auto or Color mode printing.
  • Page 121 3. Printer-specific Adjustments For Macintosh * This adjustment will have an effect only on full-color printing. Open the print dialog box. Change the "Brightness" option. * The menu to select varies according to the operating system. Refer to the table below and select the menu. Menu 8.6 / 9.x "Color Settings 4"...
  • Page 122: To Adjust The Overall Saturation

    3. Printer-specific Adjustments 3.8 To Adjust the Overall Saturation Before the adjustment The image is printed with a natural saturation. (Default printing) After the adjustment After the adjustment The saturation is decreased. The saturation is increased. Explanation The saturation of the print image can be easily adjusted by changing the "Saturation" option on the printer driver. e-STUDIO2500c/3500c/3510c...
  • Page 123: For Windows

    3. Printer-specific Adjustments 3. Printer-specific Adjustments Procedures * Both the service technician and the user can use procedure (1). * Only if the saturation of R (Red) is still insufficient even after procedure (1) has been used, must the service technician use procedure (2).
  • Page 124 3. Printer-specific Adjustments For Macintosh * This adjustment will have an effect only on full-color printing. Open the print dialog box. Change the "Saturation" option. * The menu to select varies according to the operating system. Refer to the table below and select the menu. Menu 8.6 / 9.x "Color Settings 4"...
  • Page 125 3. Printer-specific Adjustments (5) Enter adjustment mode [05]. Change the value for code [2905] to adjust the transfer (1st transfer) roller bias output. (Adjust the offset voltage of the transfer roller bias for C (Cyan) and K (Black) so as to increase the density of R (Red).) •...
  • Page 126: To Easily Adjust The Overall Contrast

    3. Printer-specific Adjustments 3.9 To Easily Adjust the Overall Contrast Before the adjustment The image is printed with a natural contrast. (Default printing) After the adjustment After the adjustment The contrast is decreased. The contrast is increased. Explanation The contrast of the print image can be easily adjusted by changing the "Contrast" option on the printer driver. e-STUDIO2500c/3500c/3510c...
  • Page 127 3. Printer-specific Adjustments Procedures * Both the service technician and the user can perform all adjustments. (1) Change the "Contrast" option on the printer driver. • Select the desired value for contrast on a scale of -4 (Lowest) to 4 (Highest). For Windows PCL5c * This adjustment will have an effect only on Auto or Color mode printing.
  • Page 128 3. Printer-specific Adjustments For Macintosh * This adjustment will have an effect only on full-color printing. Open the print dialog box. Change the "Contrast" option. * The menu to select varies according to the operating system. Refer to the table below and select the menu. Menu 8.6 / 9.x "Color Settings 4"...
  • Page 129: To Obtain A Sharper Print Image

    3. Printer-specific Adjustments 3.10 To Obtain a Sharper Print Image Print data Before the adjustment After the adjustment Unadjusted settings. The edge of the print image is so enhanced that it looks sharper. Explanation Increase the sharpness intensity under the menu on the printer driver, in order to obtain a sharper print image. * The sharpness adjustment will have an effect particularly on photo images, such as BMP, GIF, JPEG and TIFF.
  • Page 130 3. Printer-specific Adjustments Procedures * Both the service technician and the user can perform all adjustments. (1) Change the "Sharpness" option on the printer driver. For Windows PCL6 * This adjustment will have an effect only on Auto or Color mode printing. Open the property page of the printer driver.
  • Page 131 3. Printer-specific Adjustments For Macintosh * This adjustment will have an effect only on full-color printing. Open the print dialog box. Set the value for "Sharpness" within a range of "1" to "4." • Setting "4" provides the sharpest print image. * The menu to select varies according to the operating system.
  • Page 132: To Obtain A Softer Image

    3. Printer-specific Adjustments 3.11 To Obtain a Softer Image Before the adjustment After the adjustment Unadjusted settings. A softer image is obtained. Explanation Decrease the sharpness intensity under the menu on the printer driver, in order to obtain a softer print image. * The sharpness adjustment will have an effect particularly on photo images, such as BMP, GIF, JPEG and TIFF.
  • Page 133 3. Printer-specific Adjustments Procedures * Both the service technician and the user can perform all adjustments. (1) Change the "Sharpness" option on the printer driver. For Windows PCL6 * This adjustment will have an effect only on Auto or Color mode printing. Open the property page of the printer driver.
  • Page 134 3. Printer-specific Adjustments For Macintosh * This adjustment will have an effect only on full-color printing. Open the print dialog box. Set the value for "Sharpness" within a range of "-1" to "-4." • Setting "-4" provides the smoothest (softest) print image. * The menu to select varies according to the operating system.
  • Page 135: To Make Low-Resolution Data Look Finer

    3. Printer-specific Adjustments 3.12 To Make Low-resolution Data Look Finer (To soften an image) Print data Before the adjustment After the adjustment Unadjusted settings. A smoother (softer) image is obtained. Explanation When a low-resolution image is printed, the edges may be jagged. Decrease the sharpness intensity, in order to eliminate the jaggies from the print image.
  • Page 136 3. Printer-specific Adjustments Procedures * Both the service technician and the user can perform all adjustments. (1) Change the "Sharpness" option on the printer driver. For Windows PCL6 * This adjustment will have an effect only on Auto or Color mode printing. Open the property page of the printer driver.
  • Page 137 3. Printer-specific Adjustments For Macintosh * This adjustment will have an effect only on full-color printing. Open the print dialog box. Set the value for "Sharpness" within a range of "-1" to "-4." • Setting "-4" provides the smoothest (softest) print image. * The menu to select varies according to the operating system.
  • Page 138: To Eliminate Smudges From Highly Colored Text And Lines

    3. Printer-specific Adjustments 3.13 To Eliminate Smudges from Highly Colored Text and Lines (To prevent toner scattering around text and lines where a large amount of toner is used) Before the adjustment After the adjustment Black text looks smudged due to toner Smudges are eliminated.
  • Page 139 3. Printer-specific Adjustments (1) Set "-1" for "Sharpness" on the printer driver. For Windows PCL6 * This adjustment will have an effect only on Auto or Color mode printing. Open the property page of the printer driver. Press the [Setting] button in the "Image Quality" tab. Set "-1"for "Sharpness"...
  • Page 140 3. Printer-specific Adjustments For Macintosh * This adjustment will have an effect only on full-color printing. Open the print dialog box. Set "-1"for "Sharpness." * Always set "-1." Setting "-2" or a smaller value may provide blurred print images. * The menu to select varies according to the operating system. Refer to the table below and select the menu. Menu 8.6 / 9.x "Color Settings 4"...
  • Page 141 3. Printer-specific Adjustments <Hint> The following options are recommended for users who frequently perform the adjustment using procedure (1). Performing these options allows users to easily select the same conditions as the ones adjusted in procedure (1). • Perform these options by registering the Custom Color Settings where "-1" is set for the sharpness option (only on Windows).
  • Page 142 3. Printer-specific Adjustments * This adjustment will have an effect only on Auto or Color mode printing. PCL6 (2) If the photo image contrast is insufficient after the adjustment in procedure (1), enter adjustment mode [05]. Decrease the values for codes [8110 to 8117] to perform fine adjustment and decrease the sharpness intensity.
  • Page 143 3. Printer-specific Adjustments * This adjustment will have an effect only on Auto or Color mode printing. PCL6 (3) If smudges (toner scattering) are not eliminated after the adjustment in procedure (1), enter adjustment mode [05]. Decrease the values for codes [8076 to 8078], [8080 to 8088] or [1092 to 1096] to reduce the amount of toner used.
  • Page 144 3. Printer-specific Adjustments Precautions after the completion of the adjustment • The adjustment in procedure (1) may possibly provide insufficient photo contrast images. Therefore, carefully perform the adjustment, while checking the printouts. • If the value set for the amount of toner used is too small in procedure (2), the photo image (head hair and shadows) may look unnaturally white.
  • Page 145: To Clearly Print Light-Colored Thin Lines Or Text

    3. Printer-specific Adjustments 3.14 To Clearly Print Light-Colored Thin Lines or Text Before the adjustment After the adjustment Light-colored thin lines and text are dotted on The light-colored thin lines and text are clearly the printout. printed out. Explanation When light-colored thin lines and text are printed, they may be dotted on the printout. Change the options on the printer driver, adjust the color balance or gamma curve balance, in order to print them out clearly.
  • Page 146: To Adjust The Print Image Quality In The Color Mode

    3. Printer-specific Adjustments 3.14.1 To Adjust the Print Image Quality in the Color Mode * Perform the adjustment in accordance with the procedures below. * Both the service technician and the user can use procedures (1), (2), and (3). * Only the service technician must use procedures (4) and (5). (1) Change the "Image Quality Type"...
  • Page 147 3. Printer-specific Adjustments For Macintosh * This adjustment will have an effect only on full-color printing. Open the print dialog box. Change the "Image Type" and "Halftone" options. * The menu to select varies according to the operating system. Refer to the table below and select the menu. Menu "Color Settings 2"...
  • Page 148 3. Printer-specific Adjustments (2) In procedure (1), if "LineArt" is selected from among the "Image Quality Type" options, in order to adjust raster data (print image) or graphic data (line drawing), change the "Sharpness" option on the printer driver. For Windows PCL6 * This adjustment will have an effect only on Auto or Color mode printing.
  • Page 149 3. Printer-specific Adjustments For Macintosh * This adjustment will have an effect only on full-color printing. Open the print dialog box. Set the value for "Sharpness" within a range of "1" to "4." • Setting "+4" provides the sharpest print image. * Initially, set "4"...
  • Page 150 3. Printer-specific Adjustments PCL6 * This adjustment will have an effect only on Auto or Color mode printing. (3) Open the property page of the printer driver. Press the [Setting] button in the "Image Quality" tab. Mark the "Detail" checkbox in the "Color Balance" tab. Press the [Edit] button. Set the value for the Low/Medium density of the color you would like to adjust, within a range of "1"...
  • Page 151 3. Printer-specific Adjustments Ex.: • When printing on Windows is performed with the following options selected: PCL6, Image Quality Type = Presentation, Halftone =Detail > Change the values for Y: 05-8062, M: 05-8063, C: 05-8064 and K: 05-8065. • When printing on Macintosh is with the following option selected: Image Type = Line Art, Halftone = Auto >...
  • Page 152 3. Printer-specific Adjustments * This adjustment will have an effect only on Auto or Color mode printing. PCL6 (5) Enter adjustment mode [05]. Increase the values for codes [8110 to 8117] to perform fine adjustment and increase the sharpness intensity. •...
  • Page 153: To Adjust The Print Image Quality In The Black And White Mode

    3. Printer-specific Adjustments 3.14.2 To Adjust the Print Image Quality in the Black and White Mode * Perform the adjustment in accordance with the procedures below. * Both the service technician and the user can use procedure (1). * Only the service technician must use procedures (2) and (3). (1) Change the "Halftone"...
  • Page 154 3. Printer-specific Adjustments * This adjustment will have an effect only on Black and white mode printing. PCL6 (2) Enter adjustment mode [05]. Increase the values for codes [7315 to 7318] to adjust the gamma curve balance and increase the density on Black and White mode printing. •...
  • Page 155 3. Printer-specific Adjustments * This adjustment will have an effect only on Black and white mode printing. PCL6 (3) Enter adjustment mode [05]. Increase the value for code [7330] or [7335] to perform fine adjustment and increase the sharpness intensity. •...
  • Page 156: To Make The Light-Colored Area Darker On The Printout

    3. Printer-specific Adjustments 3.15 To Make the Light-Colored Area Darker on the Printout Before the adjustment After the adjustment Print Print The light-colored area becomes darker but the Only the light-colored area becomes darker. highly colored area becomes blurred. Explanation When the entire image is printed darker to make the light-colored area darker, the highly colored area may become much darker and blurred.
  • Page 157 3. Printer-specific Adjustments Procedures * Perform the adjustment in accordance with the procedures below. * Both the service technician and the user can use procedure (1). * Only the service technician must use procedures (2) and (3). * The item to set varies depending on the type of data to adjust. Select an effective option according to the data format to adjust, such as a print image (raster data), text (font), and line drawing (graphic data).
  • Page 158 3. Printer-specific Adjustments * This adjustment will have an effect only on Auto or Color mode printing. PCL6 (2) Enter adjustment mode [05]. Increase the values for codes [8050 to 8065] to increase the Low/Medium density of the color. • Adjust the value for [05] code corresponding to the print option to be applied (PDL and Halftone). Ex.: •...
  • Page 159 3. Printer-specific Adjustments * "Halftone" refers to how halftones are printed. Two options are available: "Smooth" which is intended to improve the reproducibility of gradation and "Detail" which is intended to print halftones in details (with the high frequency). The halftone option to be applied in printing can be selected from among the "Halftone" options on the printer driver (Windows) or in the print dialog box (Macintosh).
  • Page 160 3. Printer-specific Adjustments * This adjustment will have an effect only on Black and white mode printing. PCL6 (3) Increase the values for codes [7315 to 7318] to adjust the gamma curve balance and increase the Low/Medium density on Black and White mode printing. •...
  • Page 161: To Clearly Print Thin Lines/Double Lines

    3. Printer-specific Adjustments 3.16 To Clearly Print Thin Lines/Double Lines Before the adjustment After the adjustment – Thin lines or double lines are dotted on the The thin lines or double lines are clearly printout. printed out. Explanation When thin lines or double lines, which are laid out on a solid filled area, are printed out, they may be dotted on the printout.
  • Page 162 3. Printer-specific Adjustments (1) Enable the "Distinguish Thin Line" option on the printer driver. For Windows PCL6 Open the property page of the printer driver. Press the [Setting] button in the "Image Quality" tab. Mark the "Distinguish Thin Line" checkbox in the "Basic" tab. 3.16 e-STUDIO2500c/3500c/3510c...
  • Page 163 3. Printer-specific Adjustments For Macintosh Open the print dialog box. Enable the "Distinguish Thin Line" option. * The menu to select varies according to the operating system. Refer to the table below and select the menu. Menu 8.6 / 9.x "Color Settings 4"...
  • Page 164: To Decrease The Image Density And Save Toner

    3. Printer-specific Adjustments 3.17 To Decrease the Image Density and Save Toner (To Print in the Toner Save Mode) Before the adjustment After the adjustment Default printing. Printing is performed, while the toner is being saved. Explanation The e-STUDIO2500c/3500c/3510c offers a toner save mode. It is intended to automatically decrease the image density and reduce the amount of toner used.
  • Page 165 3. Printer-specific Adjustments (1) Enable the "Toner Save" option on the printer driver. For Windows PCL6 Open the property page of the printer driver. Mark the "Toner Save" checkbox in the "Others" tab. 3.17 e-STUDIO2500c/3500c/3510c...
  • Page 166 3. Printer-specific Adjustments For Macintosh Open the print dialog box. Enable the "Toner Save" option. * The menu to select varies according to the operating system. Refer to the table below and select the menu. Menu 8.6 / 9.x "Printing Modes" "Toner Save"...
  • Page 167: To Adjust The Image Density In The Toner Save Mode

    3. Printer-specific Adjustments 3.18 To Adjust the Image Density in the Toner Save Mode Before the adjustment After the adjustment – The image density is too dark, even when The image density in the toner save mode printing is performed in the toner save is adjustable, as desired.
  • Page 168 3. Printer-specific Adjustments PCL6 (1) Enter adjustment mode [05]. Change the value to adjust the image density in the toner save mode. * The [05] code to use varies, depending on whether to adjust the image quality on Full Color or Twin Color printing or on Black and White printing.
  • Page 169 3. Printer-specific Adjustments To adjust the image quality on Black and White printing ("Black and White" is selected from among the "Color" options on the PCL6 or PS3 printer driver. "Mono" is selected from among the "Color Type" options on Macintosh.) * The "Color"...
  • Page 170: To Print Illegible Gray Or Colored Text In Black

    3. Printer-specific Adjustments 3.19 To Print Illegible Gray or Colored Text in Black Before the adjustment After the adjustment Gray, yellow and cyan text is illegible on the The gray, yellow or cyan text is printed in printouts. black. This makes it more legible on the printouts.
  • Page 171 3. Printer-specific Adjustments 3. Printer-specific Adjustments PCL6 (1) Open the property page of the printer driver. Press the [Setting] button in the "Image Quality" tab. Mark the "Use Black for All Text" checkbox in the "Basic" tab. * This adjustment will be effective, only if a file created on a general application, such as Microsoft Office, is printed in PostScript (PS3).
  • Page 172: To Ignore Blank Pages For Printing

    3. Printer-specific Adjustments 3.20 To Ignore Blank Pages for Printing Before the adjustment After the adjustment A blank page is also delivered. A blank page is ignored for printing. Explanation Some applications may be designed to automatically insert blank pages for laying out the pages of a document. Change the option on the printer driver, in order to ignore all blank pages for printing.
  • Page 173 3. Printer-specific Adjustments (1) Enable the "Do not Print Blank Pages" option on the printer driver. For Windows PCL6 Open the property page of the printer driver. Mark the "Do not Print Blank Pages" checkbox in the "Others" tab. 3.20 e-STUDIO2500c/3500c/3510c...
  • Page 174 3. Printer-specific Adjustments For Macintosh Open the print dialog box. Enable the "Do not Print Blank Pages" option. * The menu to select varies according to the operating system. Refer to the table below and select the menu. Menu 8.6 / 9.x "Printing Modes"...
  • Page 175: To Sharply Print Black Text

    3. Printer-specific Adjustments 3.21 To Sharply Print Black Text Before the adjustment After the adjustment Text looks black on the monitor. But the hue The hue of the text is nearly matched with the will vary, if it is printed out in the Full color black hue on the monitor.
  • Page 176 3. Printer-specific Adjustments (1) If printing is performed on a PCL6 printer driver, select a PS3 printer driver. <Hint> If printing is performed on a PCL6 printer driver, or if a file or a graphic application created on a DTP application, such as Illustrator, QuarkXPress, FreeHand, or CorelDraw, is printed using the CMYK toners, or a high-definition PDF file created on these applications is printed, black text may not be converted into 100% black.
  • Page 177 3. Printer-specific Adjustments For Macintosh * This adjustment will have an effect only on full-color printing. Open the print dialog box. Select "Black – Text, Graphic & Image" from among the "Pure Black and Gray" options. * The menu to select varies according to the operating system. Refer to the table below and select the menu. Menu 8.6 / 9.x "Color Settings 2"...
  • Page 178 3. Printer-specific Adjustments PCL6 (3) Open the property page of the printer driver. Press the [Setting] button in the "Image Quality" tab. Mark the "Use Black for All Text" checkbox in the "Image Quality" tab. * This adjustment will have an effect only on printing on a Windows PCL6 or PS3 emulation printer driver. (This adjustment cannot be performed on a Macintosh printer driver.) * This adjustment will be effective, only if a file created on a general application, such as Microsoft Office, is printed in PostScript (PS3).
  • Page 179 3. Printer-specific Adjustments PCL6 * This adjustment will have an effect only on Black and white mode printing. (4) Enter adjustment mode [05]. Change the values for codes [8210 to 8215] or [8252 to 8257] to adjust the threshold values for "Pure Gray" and "Pure Black" (to adjust the area to print only using the K toner). •...
  • Page 180 3. Printer-specific Adjustments <Hint> Refer to the information below to select "Item," in order to perform the adjustment on a PS3 printer driver: • PDF data: CIE-Based RGB/CMYK data and Device RGB/CMYK data • Data on Windows and Microsoft Office: Device RGB data in most cases •...
  • Page 181 3. Printer-specific Adjustments * "Halftone" refers to how halftones are printed. Two options are available: "Smooth" which is intended to improve the reproducibility of gradation and "Detail" which is intended to print halftones in details (with the high frequency). The halftone option to be applied in printing can be selected from among the "Halftone" options on the printer driver (Windows) or in the print dialog box (Macintosh).
  • Page 182 3. Printer-specific Adjustments Precautions after the completion of the adjustment The adjustment may possibly change the hue of the text and the image, such as a photo image, on the printout. Therefore, carefully perform the adjustment, while checking the printouts. Remarks To check the definition of black text When creating a PDF file, 100% black may not be defined as follows, depending on the application settings:...
  • Page 183 3. Printer-specific Adjustments (1) Open a PDF file on Acrobat 7.0 Professional. (2) Select "Output Preview" in the "Advanced" menu. (3) Select a profile from among the "Simulation Profile" options. * Select the profile to use for the Monitor Simulation, in order to print RGB data, and the one to use for the Ink Simulation, in order to print CMYK data from among the "Simulation Profile"...
  • Page 184: To Prevent Dark Toner From Coming Off

    3. Printer-specific Adjustments 3.22 To Prevent Dark Toner from Coming Off Before the adjustment After the adjustment The dark toner comes off. The dark toner is securely fixed. Explanation When highly colored lines, where a large accumulated amount of C, M, Y and K toners are used, are created on raster data (image), such as BMP, GIF, JPEG and TIFF, and printed on the rough surface of paper or thick paper, the toner may come off the paper.
  • Page 185 3. Printer-specific Adjustments Paper Image quality Subcode Recommended Acceptable Halftone [05] code Default type type (PDL) value value range General/Photograph/ Auto/Smooth 05-8076 Presentation Detail 05-8085 Special 1 Smooth 05-8076 Line Art Auto/Detail 05-8085 General/Photograph/ Auto/Smooth 05-8077 Presentation Detail 05-8086 Special 2 Smooth 05-8077 Line Art...
  • Page 186: To Register The Image Quality Adjusted Corresponding To A Preference

    3. Printer-specific Adjustments 3.23 To Register the Image Quality Adjusted Corresponding to a Preference (To use the Custom Color Settings) Explanation The option to obtain the desired print image quality can be registered as Custom Color Settings. * This adjustment will have an effect only on printing on a Windows PCL6 or PS3 emulation printer driver. (This adjustment cannot be performed on a Macintosh printer driver.) Procedures * Both the service technician and the user can perform all adjustments.
  • Page 187 3. Printer-specific Adjustments PCL6 (2) Register the name for what has been specified in procedure (1), in the "Basic" tab in the "Setting" option. • Use steps (a) to (c) to register the name. (a) Mark the "Save Current setting as" checkbox in the "Custom Color Settings" option. (b) Enter an optional name in the "Name"...
  • Page 188 3. Printer-specific Adjustments After registering the name, open the property page of the printer driver. Make sure that the name created for the "Image Quality Type" option in the "Image Quality" tab has been registered. * The icon of the base "Image Quality Type" will be displayed in the background of the icons for the registered Custom Color Settings.
  • Page 189: To Print A Full-Color Original In Two Colors

    3. Printer-specific Adjustments 3.24 To Print a Full-Color Original in Two Colors Before the adjustment After the Adjustment The original is printed in the Full color mode. The areas other than black is printed in the same color (Red). Explanation Select the twin color print mode option, in order to change colored text and lines on full-color original and print out the original.
  • Page 190 3. Printer-specific Adjustments (1) Select "Twin Color" from among the "Color" options on the printer driver. For Windows PCL6 Open the property page of the printer driver. Select "Twin-Color" from among the "Color" options in the "Basic" tab. Press the [Details] button. Select the color to use for the area other than black, from among the "Color"...
  • Page 191 3. Printer-specific Adjustments For Macintosh Open the print dialog box. Select "Twin color (Black & ***)" from among the "Color Type" options. * The menu to select varies according to the operating system. Refer to the table below and select the menu. Menu 8.6 / 9.x "Color Settings 1"...
  • Page 192 3. Printer-specific Adjustments * This adjustment will have an effect only on Auto or Color mode printing. PCL6 (2) Enter adjustment mode [05]. To obtain a shaper or softer print image, change the values for codes [8110/8114] to perform fine adjustment, and increase or decrease the sharpness intensity. •...
  • Page 193 3. Printer-specific Adjustments * This adjustment will have an effect only on Auto or Color mode printing. PCL6 (3) Enter adjustment mode [05]. To make only the light-colored area darker while leaving the highly colored area as it is, increase the values for codes [8050 to 8065] to adjustment the Low/Medium density of the color..
  • Page 194 3. Printer-specific Adjustments * "Halftone" refers to how halftones are printed. Two options are available: "Smooth" which is intended to improve the reproducibility of gradation and "Detail" which is intended to print halftones in detail (with the high frequency). The halftone option to be applied in printing can be selected from among the "Halftone" options on the printer driver (Windows) or in the print dialog box (Macintosh).
  • Page 195 3. Printer-specific Adjustments Precautions after the completion of the adjustment If "White" is selected in the Twin-color mode, all areas other than black will not be printed. Double toner will not be used to print these areas. 3.24 e-STUDIO2500c/3500c/3510c...
  • Page 196: E-Filing-Specific Adjustments

    4. e-Filing-specific Adjustments 4.1 To Clearly Store a B/W Image in the Auto Color Mode After the adjustment After the threshold value was adjusted Before the adjustment Stored in the Gray scale mode The light image becomes blurred and text becomes illegible.
  • Page 197 4. e-Filing-specific Adjustments Procedures * Both the service technician and the user can perform all adjustments. * This adjustment will have an effect only on images stored in the Auto color mode. Scan to Box (1) Adjust the threshold value, in order to store black-and-white originals with the appropriate density. •...
  • Page 198: To Store An Original While Reducing The File Size

    4. e-Filing-specific Adjustments 4.2 To Store an Original while Reducing the File Size Before the adjustment After the adjustment Ex.: A4, 200 dpi, LOW = Approx. 1000 KB Ex.: A4, 200 dpi, HIGH = Approx. 400 KB When "LOW" is from among the JPEG When "HIGH"...
  • Page 199 4. e-Filing-specific Adjustments * This adjustment will have an effect only on images stored in the Full color mode (including the Auto color mode) or the Gray scale mode. Scan to Box (1) Select "HIGH" from among the JPEG compression rate options. * "MID"...
  • Page 200: To Store A Color Photo Image, While Minimizing Moiré

    4. e-Filing-specific Adjustments 4.3 To Store a Color Photo Image, while Minimizing Moiré Before the adjustment After the adjustment When the magazine article containing full- Storing it in the Printed image mode will color photo images is stored in the Photo reduce moiré.
  • Page 201 4. e-Filing-specific Adjustments * This adjustment will have an effect only on the image stored in the Full color mode. Copy to Box (1) Press the [BASIC] button on the Control Panel. Select "PRINTED IMAGE" from among the original mode options.
  • Page 202: To Match The Color Balance On The Original

    4. e-Filing-specific Adjustments 4.4 To Match the Color Balance on the Original (To adjust the color balance in Print to Box) Before the adjustment After the adjustment Original image Original image Print to Box Print to Box e-Filing box e-Filing box Stored Stored Downloaded...
  • Page 203 4. e-Filing-specific Adjustments Explanation If a full-color image is printed on a client PC and stored in the e-Filing box (Print to Box), it will be optimized for printing on paper. This is the reason why the image stored in the e-Filing box looks slightly different in the color balance from the original displayed on the computer monitor.
  • Page 204: To Scan And Print, While Minimizing Moiré

    4. e-Filing-specific Adjustments 4.5 To Scan and Print, while Minimizing Moiré Before the adjustment After the adjustment When the image stored in the e-Filing box is The image stored in the e-Filing box can be printed, moiré is likely to occur. printed, while moiré...
  • Page 205 4. e-Filing-specific Adjustments Scan to Box (2) When scanning the original, press the [EDIT] button on the Control Panel. Select a lower resolution in the resolution option. * "200 (dpi)" is selected from among the resolution options by default. If moiré occurs in a resolution of 200 dpi, select a lower resolution (150 dpi is recommended.).
  • Page 206: To Finely Print The Image Stored In The E-Filing Box

    4. e-Filing-specific Adjustments 4.6 To Finely Print the Image Stored in the e-Filing box (To print images stored through Copy to Box or Print to Box) Before the adjustment After the adjustment Copy to Box, Print to Box Copy to Box, e-Filing box (Print data) Print to Box...
  • Page 207 4. e-Filing-specific Adjustments Explanation Initially, the original is copied or printed and stored in the e-Filing box (Copy to Box or Print to Box) as CMYK data or optimized for printing on paper. While it is being downloaded to a client PC using File Downloader or the TWAIN driver, it is converted into RGB data or optimized for displaying on the computer monitor.
  • Page 208: To Store An Image Suitable For Displaying On The Monitor Or Image Editing

    4. e-Filing-specific Adjustments 4.7 To Store an Image Suitable for Displaying on the Monitor or Image Editing Before the adjustment After the adjustment Copy to Box Scan to Box (Print data) (RGB data) e-Filing box e-Filing box Stored Stored Downloaded Downloaded (Converted into RGB) (RGB data)
  • Page 209 4. e-Filing-specific Adjustments Explanation Initially, a full-color original is copied and stored in the e-Filing box (Copy to Box) as CMYK data or optimized for printing on paper. But while it is being downloaded to a client PC using the File Downloader or the TWAIN driver, it is converted into RGB data or optimized for displaying on the computer monitor.
  • Page 210: To Finely Print Color Images Scanned And Stored

    4. e-Filing-specific Adjustments 4.8 To Finely Print Color Images Scanned and Stored (To print images stored through Scan to Box) Before the adjustment After the adjustment Scan to Box Scan to Box (RGB data) (RGB data) e-Filing box e-Filing box Stored Stored Ex: Printing image mode = Presentation...
  • Page 211 4. e-Filing-specific Adjustments Explanation When an image is scanned stored in the e-Filing box (Scan to Box) in the Full color or the Auto color mode, and printed as it is (without the printing image mode set), printing may be performed with image processing not suitable for the image, and the user may not obtain the desired image quality.
  • Page 212: Scanning-Specific Adjustments

    5. Scanning-specific Adjustments 5.1 To Clearly Scan Text (To reduce noise around text) Before the adjustment After the adjustment If the original is scanned in the Full color The image quality is maintained, while noise mode or the Gray scale mode, noise may occur is being reduced.
  • Page 213 5. Scanning-specific Adjustments (2) When scanning the original, press the [EDIT] button on the Control Panel. Select a higher resolution in the resolution option. * "200 (dpi)" is selected from among the resolution options by default. If noise occurs in a resolution of 200 dpi, select a higher resolution (300 dpi, 400 dpi or 600 dpi).
  • Page 214: To Scan An Original, While Eliminating The Background Color

    5. Scanning-specific Adjustments 5.2 To Scan an Original, while Eliminating the Background Color (To eliminate the background density) Before the adjustment After the adjustment The background color of the original is also The background color is eliminated, allowing scanned. Therefore, no clear contrast is made clear contrast between the background and between the background and image.
  • Page 215 5. Scanning-specific Adjustments (2) Enter adjustment mode [05]. Change the values for codes [1070 to 1072] to decrease the background density. • The code to use varies according to color mode and original mode. Adjust the value for [05] code corresponding to the color mode for which you would like to improve the image quality.
  • Page 216: To Clearly Scan And Print An Original In Black And White

    5. Scanning-specific Adjustments 5.3 To Clearly Scan and Print an Original in Black and White (To improve gradation and reduce graininess) Before the adjustment After the adjustment If the original is scanned in the Black mode, The halftones of the scanned-in image are the halftones may become blurred in black.
  • Page 217 5. Scanning-specific Adjustments Precautions after the completion of the adjustment The adjustment may possibly increase the size of the file to be stored. Therefore, carefully perform the adjustment, while checking the scanned-in image quality. The correlation between color mode and file size is as described below.
  • Page 218: To Scan The Original, While Reducing The File Size

    5. Scanning-specific Adjustments 5.4 To Scan the Original, while Reducing the File Size Before the adjustment After the adjustment Approx. 600 KB Approx. 100 KB Approx. 200 KB Approx. 30 KB Approx. 900 KB Approx. 150 KB Approx. Approx. 550 KB 90 KB * The above file sizes are just for your reference.
  • Page 219: To Reduce The File Size By Changing The Options When Scanning The Original

    5. Scanning-specific Adjustments 5.4.1 To Reduce the File Size by Changing the Options when Scanning the Original * You can start with any of the procedures. But it is recommended to perform the procedures in order, as listed below. You can use one procedure in conjunction with another. But if this changes the image quality more than required or loses the effectiveness of the adjustment, restore the settings made in the previously used procedure to the original ones.
  • Page 220 5. Scanning-specific Adjustments (4) When scanning the original, press the [EDIT] button on the Control Panel. Press the [BACKGROUND ADJUSTMENT] button. Press the [ ] button to decrease the background density. Then select "HIGH" from among the JPEG compression rate options. * This adjustment will be effective, only if the original with a color background, such as a newspaper and color paper, is scanned.
  • Page 221 5. Scanning-specific Adjustments Remarks • Use the following steps to change the default resolution, original mode, JPEG compression rate and/or background adjustment options: (a) Press the [USER FUNCTIONS] button on the Control Panel to enter the "User Functions" menu. (b) Press the [USER] button. (c) Press the [SCAN] button.
  • Page 222: To Reduce The File Size In Slim Pdf

    5. Scanning-specific Adjustments 5.4.2 To Reduce the File Size in Slim PDF * Both the service technician and the user can use procedure (1). * The service technician must use only procedure (2) in adjustment mode [05] (step (b) "To reduce the blurred area of text and photos").
  • Page 223 5. Scanning-specific Adjustments (b) Enter adjustment mode [05]. Change the values for code [9104] and [9107] to adjust the image quality and resolution of a background. Recommended [05] code Acceptable value range Default value 05-9104 0 to 10 05-9107 1 or 2 0 to 4 * Changing the value provides the effects below.
  • Page 224: To Sharply Scan The Original

    5. Scanning-specific Adjustments 5.5 To Sharply Scan the Original (To increase the sharpness intensity) Before the adjustment After the adjustment The image looks too soft and blurred. The edges are enhanced. The image looks sharp. Explanation Adjust the sharpness intensity, in order to sharply scan the soft and blurred original. * This adjustment will have an effect on the image scanned in all color modes (Full color, Gray scale, Black and Auto color).
  • Page 225 5. Scanning-specific Adjustments Procedures * You can start with any of the procedures. But it is recommended to perform the procedures in order, as listed below. You can use one procedure in conjunction with another. But if this changes the image quality more than required or loses the effectiveness of the adjustment, restore the settings made in the previously used procedure to the original ones.
  • Page 226: To Scan An Original, While Enhancing Black

    5. Scanning-specific Adjustments 5.6 To Scan an Original, while Enhancing Black Before the adjustment After the adjustment Scan Scan Black is not dark enough, compared to the Black is enhanced and closely matched with original. the original hue. Explanation When a full-color original is scanned, black is not dark enough, compared to the original. (In general, the scanned-in image is likely to become less dark.) Finely adjust the black density of the scanned-in image, in order to darken black and closely match it with the original hue.
  • Page 227 5. Scanning-specific Adjustments Procedures * The service technician must perform all adjustments. (1) Enter adjustment mode [05]. Change the values for codes [1075 to 1077] to adjust the black density of a scanned-in image. Acceptable Color mode Original mode [05] code Recommended value Default value range...
  • Page 228: To Scan An Original With The Desired Gradation

    5. Scanning-specific Adjustments 5.7 To Scan an Original with the Desired Gradation Before the adjustment The image is scanned with natural gradation. (Default scanning) After the adjustment After the adjustment Gradation is decreased. Gradation is increased. Explanation When an original is scanned in the Black mode or the Gray scale mode, changing the scan density according to density area (low-, medium- or high-density area) allows a user to adjust the reproducibility of halftones (gradation).
  • Page 229 5. Scanning-specific Adjustments Procedures * The service technician must perform all adjustments. (1) Enter adjustment mode [05]. Change the values for codes [880 to 883] to adjust the gamma curve balance of the low-, medium- and high-density areas. Acceptable Color mode Original mode [05] code Subcode Recommended value Default value range...
  • Page 230: To Register The Original Mode Optimal For A Particular Type Of Original

    5. Scanning-specific Adjustments 5.8 To Register the Original Mode Optimal for a Particular Type of Original (To have "Custom" selected) Explanation If the value for [05] code is adjusted in existing original mode (Text /Photo, Text, Photo, Printed image, Photo or Gray scale), in order to clearly scan a particular type of original, other types of original may not be clearly scanned.
  • Page 231 5. Scanning-specific Adjustments (2) Enter adjustment mode [05] to adjust the values in the Custom mode, in order to obtain the image quality the user desires. • Select the necessary value for [05] code in the table below. Acceptable Color mode [05] code Adjustment Default...
  • Page 232 Company names and product names in this manual are the trademarks or registered trademarks of their respective companies.

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