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Toshiba 351C Copier User Manual

1. After changing the printer driver settings print and check the print image quality If further image quality adjustments are still necessary the service technician must use the next procedure because text may not be defined as 100 black on the file e STUDIO281 c 351 c 451 c 3 13 3 Printer specific Adjustments PCL5c _PCL6 Ps3 EED Di 4 Enter adjustment mode 05 Select code 395 Press the START button e Image quality control will be forcibly performed to correct variations in image contrast After exercising image quality control print and check the print image quality If further image quality adjustments are still necessary use the next procedure Mac This adjustment will have an effect only on full color printing Wf 5 Enter adjustment mode 05 Change the values for codes 1010 to 1041 to adjust the color density color balance e Adjust the values for the 05 codes corresponding to the print options to be applied PDL Resolution and Halftone Ex e When printing on Windows is performed with the following options selected PCL5c 600 x 600 Image Quality Type General Halftone Detail gt Change the values for Y 05 1030 M 05 1031 C 05 1032 and K 05 1033 When printing on Macintosh is performed with the following option selected Color High res 1200 x 600 Photo Halftone Smooth gt Change the values for Y 05 1018 M 05 1019 C 05 1020 and K 05 1021
2. e The adjustment may possibly diminish the image quality as shown by the table below Therefore carefully perform the adjustment while checking the scanned in image Possible image degradation Any of procedures from 1 to 4 A photo image area may be blurred 1 or 3 Noise may be increase around text 1 or 3 Small sized text may become illegible Light colored images may not be clearly scanned 5A e STUDIO281c 351c 451c 5 Scanning specific Adjustments LJ Remarks e 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 d In the RESOLUTION ORIGINAL MODE JPEG COMPRESS and or BACKGROUND ADJUSTMENT option press the desired button to change the default The default resolution can be selected on a color mode basis Full color mode including Auto color mode Gray scale mode and Black mode But remember that some of the resolution options cannot be selected as the default The resolution options available vary depending on whether the optional GC 118 land GC 1230 expansion memories are installed or not e The following resolution options are available as the default e Full color mode including Auto color mode 300 200 150 100 dpi e Gray scale mode 400 300 200
3. Auta vs E E Brightness Graphics Text Saturation Protile Hone nf Save As Delete Distinguish Thin Lines W Pure Gray Rest Default Bestwe Defauts 11 5 Black for All Tents 7 Smoot LJ Cautions after the completion of the adjustment Remember that the saturation change will affect all the Image Quality Type options For instance if the saturation is changed with General selected it will be maintained even when it is switched to another Image Quality Type option such as Photograph LJ Remarks The saturation adjustment does not affect black or gray areas on the printout e STUDIO281 c 351 c 451 c 3 6 3 Printer specific Adjustments 3 To Clearly Print Light colored Thin Lines or Text Before the adjustment a6 Light colored thin lines and text are dotted on The light colored thin lines and text are clearly the printout printed out L Explanation When light colored thin lines and text are printed out they may sometimes be dotted on the printout Change the printer driver setting or adjust the color balance or gamma curve balance in order to clearly print them out Q Procedures Perform the adjustment in accordance with the procedure below Procedure 1 is used by the service technician and by the user Procedure 2 is used by the service technician only 3 7 e STUDIO281 351 c 451 c li 1 Change the Image Quality Type setting For Windows
4. 3 Printer specific Adjustments Open the property page of the printer driver Change the Image Quality Type and Halftone settings in the Image Quality tab e Change these settings in either of the following in accordance with a type of original to print e Image Quality Type Presentation Halftone Detail TOSHIBA e STUDIO451cSeriesPCL5c Properties Setup Effect Image Quality About Print Job Layout Image Quality Type Halftone Besolution Brightness Saturation Ep oz o Protile None x Save As Restore Defaults I Smoothing Distinguish Thin Lines W Pure Gray Use Black for All Texts Presentation Line Art Auta Auto Detail Smooth e Image Quality Type Line Art Halftone Auto amp TOSHIBA e STUDIO451cSeriesPCL5c Properties Image Quality About Setup Print Job Layout Effect Image Quality Type C General Photograph H alftone Eesaliknrr Presentation Auto RAN RAN Ami e STUDIO281c 351c 451c 3 7 3 Printer specific Adjustments For Macintosh Mac This adjustment will have an effect only on full color printing Open the print dialog box Select LineArt from among the Color Resolution Type options The menu to be selected varies according to the operating system Refer to the table below and select the Quality gt Color Resolution Type Printer Features gt Featur
5. Copying Printing and e Filing Output from Box Q Cautions after the completion of the adjustment Too small a set value may possibly cause the image to become light if a darker image is laid out at the trailing edge of the original Therefore carefully perform the adjustment while checking the copy image Remarks e Enter the value mentioned in the procedures or one within the recommended value range for the adjustment Otherwise it may cause a loss in copier performance including degradation in the image quality and reduction in the life of the consumables e The desired image quality may not be obtained depending on the type of paper used In this case use the recommended paper and then print or adjust the image quality e If printing on another type of paper causes a problem with the image quality after the adjustment return the set values for codes 05 239 and 1822 to the defaults and then perform the adjustment again e The adjustment will make up for the gap in the image quality and density at the trailing edge between the front and back of the paper in duplex copying Particularly if the image at the trailing edge on the back of the paper is light the image quality may be improved by decreasing the set value for the transfer roller bias output e STUDIO281 c 351 c 451 c 1 2 1 3 1 General Adjustments Copying Printing and e Filing Output from Box 1 3 To Minimize Variations in the Image Qual
6. TOSHIBA F svupio281c 351c 451c Thinkin colour Thinkin color Satisfying Specific Customer Needs for Designed Image Quality Imaging Manual ama w A a PP cea hida ceri ian ie a fet Smainsenanee File No SME05001100 R05072188300 TTEC Ver00_2005 11 2005 TOSHIBA TEC CORPORATION All rights reserved Revision Record File No SME05001100 Issue of the first version Purpose of the Imaging Manual The Imaging Manual is intended for customers using the Toshiba e STUDIO281c 351c 451c with a variety of specific needs and inquiries for high image quality such as How to obtain a clearer copy image How to maintain the current image quality How to make the text look sharper on the copy The Toshiba MFPs are factory configured to provide image quality settings that satisfy the majority of customers However these settings may not be necessarily optimal for all specific needs from customers Proper image quality adjustments can satisfy such needs Most of the adjustments described in this manual must be performed by a service technician but a few of them can also be performed by the customer It is strongly recommended that this manual be fully utilized by not only the service technician but also the sales representative who also has opportunities of obtaining customer feedback on the image quality This manual helps the sales representative to study and comprehend what kind of customer
7. To change the threshold between Full color mode and Black mode to meet the user s needs Table of Contents 2 16 To Clearly Copy Text To adjust the density of text 2 16 1 To Adjust the Copy Image Quality in Black Mode 2 16 2 To Adjust the Copy Image Quality in Full Color Mode 2 17 To Adjust the Twin Color Copy Image Quality To adjust the image quality in red and black mode 2 18 2 17 1 To Adjust the Reproducibility of Black in Red and Black Mode 2 17 2 To Adjust the Tint of Red in Red and Black Mode To Adjust the Image Quality Scanned from the RADF 3 Printer specific Adjustments 3 1 3 2 3 3 3 4 3 5 3 6 3 7 3 8 3 9 3 10 3 11 3 12 3 13 To Maintain a Steady Color Balance To Obtain the Desired Color Balance To Closely Match with the Color Balance on the Monitor To Maintain a Uniform Gray Hue To Maintain consistency in Gray among Text Photos and Graphics To Easily Adjust the Overall Brightness To Easily Adjust the Overall Saturation To Clearly Print Light colored Thin Lines or Text To Clearly Print Thin Lines Double Lines To Decrease the Image Density and Save Toner To Print in Toner Save Mode To Adjust the Image Density in Toner Save Mode To Print Illegible Gray or Colored Text in Black To Ignore Blank Pages for Printing To Sharply Print Black Text 4 e Filing specific Adjustments 4 1 4 2 4 3 4 4 4 5 4 6 4 1 4 8 4 9 To Clearly Store the B W Image in Auto Color Mode To Store the Origina
8. mode mode Text Photo 05 570 05 571 05 572 To scan an original fed from the RADF Original 05 code Copy density Value recommended Defaut mode mode Text Photo 05 693 05 694 05 695 Q Cautions after the completion of the adjustment The adjustment may possibly cause an increase in the amount of toner used moir blurred text small dark text blurred diminished photo images or gradational images less accurate reproduction of halftones Therefore carefully perform the adjustment while checking the copy image Remarks Enter the value within the recommended value range mentioned in the procedures Otherwise it may cause a loss in copier performance including degradation in the image quality and reduction in the life of the consumables e STUDIO281 351 c 451 c 2 1 2 Copier specific Adjustments 2 1 2 To Adjust the Copy Image Quality in 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 effectiveness of the adjustment restore the settings made in the previously used procedure to the original Then perform the next procedure Procedures 1 2 and 4 are used by the service technician and by the user Procedure 3 1s used by the service technician only li 1 Press the BASIC butt
9. 05 843 Setting 1 provides the softest image while setting 31 provides the sharpest image The default value 0 provides an image as sharp as the one provided by setting 16 LJ Cautions after the completion of the adjustment When the original containing text and lines is scanned and printed the adjustment may possibly cause them to look faint or a blend of undesired colors Therefore carefully perform the adjustment while checking the scanned in image or printout e STUDIO281 c 351 c 451 c 46 4 e Filing specific Adjustments 4 7 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 Copy to Box Print to Box Print data Copy to Box Print to Box Print data Stored e Filing box Downloaded Converted into RGB Stored Client PC Stored Print Print data Print Converted into print data again If the image stored in the e Filing box is If the image is printed out directly from the e downloaded to a PC and then printed out the Filing box the image quality will be image data conversion may diminish the image maintained quality 4 7 e STUDIO281c 351c 451c 4 e Filing specific Adjustments LJ 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
10. Copier specific Adjustments MH 4 Enter adjustment mode 05 Change the value for code 1795 to adjust the black density Soor lola Original mode 05 code Subcode Value recommended CTY NOL value range nee 05 1795 0 1 2 Set a value larger than 128 0 to 255 8 Set the value in increments of approximately 10 while checking the copy image until the optimum value is obtained The subcode varies according to the area for which the density is adjusted Refer to the table below and set the subcode for the area to be adjusted Area for the density to be adjusted Low density area a ae Medium density area a ae High density area Q Cautions after the completion of the adjustment The adjustment may possibly cause the highly or deeply colored area such as in a photo to become blurred on the copy Also it may also cause offset failure grained images and degradation in gradation Therefore carefully perform the adjustment while checking the copy image 2 11 e STUDIO281 351 c 451 c 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 effectiveness of the adjustment restore the settings made in the previously used procedure t
11. Max 43 lb Bond 90 Ib Index Thick 3 164 to 209 g m Max 55 lb Bond 110 lb Index e After adjusting the transfer roller bias output perform the automatic calibration For further information regarding the procedures refer to procedure 2 in 1 1 To Obtain a Darker Image lt Hint gt The transfer voltage increases as the set value is increased It is usually desirable that the set value be decreased to obtain a clearly highlighted area After performing the adjustment print and check the image quality If further image quality adjustments are still necessary use the next procedure 1 2 e STUDIO281 351c 451c 1 General Adjustments Copying Printing and e Filing Output from Box E T I y 2 Check the life of the consumables particularly the drum developer material and fuser unit and replace them if necessary e When replacing any consumable use steps a to c below a Enter PM support mode Reset the counter corresponding to the replaced consumable part to 0 For further information regarding PM support mode refer to the Service Handbook b Enter adjustment mode 05 Select code 396 Press the START button e Image quality control will be performed and the image quality control value will be initialized c Perform the automatic calibration For further information regarding the procedures refer to procedure 2 in 1 1 To Obtain a Darker Image After replacing any consumable remember to
12. a Enter adjustment mode 05 Change the values for codes 570 to 572 or 693 to 695 to set the background peak of range correction to fixed e 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 Adjust the value for the 05 code corresponding to the condition for which you would like to improve the image quality and set 1 in one or ten place Set value Ex To set the background text peak in manual and auto copy density mode to fixed l One place Set the background text peak in auto copy density mode to fixed See the table below for further information Ten place Set the background text peak in manual copy density mode to fixed See the table below for further information Background peak Text peak To scan an original manually placed on the original glass Original 05 code Copy density Value recommended Defaut mode mode TexPhote 05 570 aaa Photo 05 571 Manual ft Cuenta Text 05 572 ae ee a a A To scan an original fed from the RADF Original 05 code Copy density Value recommended Defaut mode mode TexwPhow oseo Mamal 1 Curent vale Auto _ Curentvalue 1 Photo 05 694 re Text 05 695 e e A 2 6 e STUDIO281 351c 451c 2 Copier specific Adjustments b Enter adjustment mode 05 Increase the values for codes 532 to 534 to adjust the background peak o
13. become less visible After adjusting the background density copy and check the copy image quality If further image quality adjustments are still necessary use the next procedure 2 7 e STUDIO281c 351c 451c 2 Copier specific Adjustments Wf 3 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 Moir LJ Cautions after the completion of the adjustment The adjustment may possibly cause the highlighted area to become less visible on the copy Therefore carefully perform the adjustment while checking the copy image LJ Remarks Enter the value within the recommended value range mentioned in the procedures Otherwise it may cause a loss in copier performance including degradation in the image quality e STUDIO2810 351c 451c 2 7 2 Copier specific Adjustments 2 8 To Eliminate Moire Before the adjustment After the adjustment Moir occurs on the photo image Moir is eliminated and a clear copy image is obtained LJ Explanation When an original containing photo images or gradational images halftones 1s copied moir sometimes occurs on the copy Perform an adjustment regarding the image processing sharpness intensity in order to obtain a clear copy image while eliminating moire Q Procedures You can start with any of the procedures Bu
14. A Black Over Print Color Low res LineArt l Color High res General M smoothing Color High res Photo Toner Save Color High res Presentation Color High res LineArt Q Preview Save As PDF 9 Farn J e STUDIO281c 351c 451c 3 Printer specific Adjustments The Image Quality Type options feature the following e General General is the best rounded option to offer fine printouts of any type of original including text photographs and graphics If General is selected Smooth will be selected by default or automatically from among the Halftone options how halftones are printed Smooth is intended to improve the reproducibility of gradation The effects of Pure Black and Pure Gray will be applied only to text and graphics in this option e Photograph Photograph is intended to improve the reproducibility of halftones such as photos and gradational images This provides the color balance closely matching the monitor with sRGB selected as a color space If Photograph is selected Smooth will be selected by default or automatically from among the Halftone options Smooth is intended to improve the reproducibility of gradation The effects of Pure Black and Pure Gray will be applied only to text and graphics in this option e Presentation Presentation is intended to improve to the reproducibility of vivid colors It is suitable for printing a presentation material which requires sharp contrast
15. Adjustments PCL5c PCL6 _Ps3 EED E 1 Enter adjustment mode 05 Select code 395 Press the START button e Image quality control will be forcibly performed to correct variations in image contrast After exercising image quality control print and check the print image quality If further image quality adjustments are still necessary use the next procedure PCL5c This adjustment will be effective only if Automatic is selected from among the Color options on the printer driver Mac This adjustment will be effective only if Color is selected from among the Color Resolution Type options on the printer driver I 2 Perform the automatic calibration to correct variations in image density ADMIN is selected from among the CALIBRATION DISPLAY LEVEL options by default In other words an administrator is authorized to operate the automatic calibration But the USER option can also be selected to allow the user to operate it Refer to the User Functions Guide for further information regarding how to select the CALIBRATION DISPLAY LEVEL option Use steps a through k to perform the automatic calibration a Press the USER FUNCTIONS button on the Control Panel to enter the User Functions menu b Press the ADMIN button c Enter the 6 digit administrator password Press the ENTER button d Press the GENERAL button ce Press the CALIBRATION button f Press the PRINT button g
16. IMAGE SMOOTHING selected from among the original mode options by default refer to procedure 1 in 2 8 To Eliminate Moire Q Cautions after the completion of the adjustment Nothing in particular Remarks When Image smoothing mode is selected from among the original mode options the image processing is performed to give a higher priority to accurate reproduction of halftones As a result the copying speed will be slowed down compared to other modes e STUDIO281 351c 451c 244 2 Copier specific Adjustments 2 15 To Change the Threshold in Auto Color Mode To change the threshold between Full color mode and Black mode to meet the user s needs Original exe inf innitals perra Employee Guide Banetits Summary kakih Peer ere infinitalus pepara Employee Guide Benefits Summary Heals raras r corecmaty Pi pi year nama al ai i ech VE o yp mmal lary eo hr mair rma hr _ baia Meal itii iad thet baal yia kik of iaai a ORE i feal ra a 4 ri x Typ yh Ginie Digabiiiy ingurarsce cert lerre Soe Hasbilky eurencejeboreirn gs cngiya ipii erap omar bam si Te pe 1 ee Bo ee Sork amp aay apt n zi Tu pram Eiroa ka mba ees doe a a Fade horeg nghrau bed 2 be Pelt ampk Ti koe oe ai P i AR a ine equines iam a orali p Teibid aiian a ibaia Cii Lii a mrt jahi b irad aaiage of ah rhea t an amp It is copied in Full color mode Changing the threshold value will allow a colored original to be copied in Bl
17. Printing on Macintosh is performed in PostScript See the PS3 row in the table below The resolution option on the Macintosh printer driver is Low res 600 x 600 or High res 1200 x 600 The black hue of text printed using all toner colors C M Y and K will look much clearer if the amount of the C cyan toner used is larger than the M magenta or Y yellow toner Remember that adjusting the density of K black does not affect the black hue if all toner colors are used to print text 3 13 e STUDIO281 351 c 451 c 3 Printer specific Adjustments CUO Resolution 05 code Subcode NENTS arco adjusted recommended _ value range ELS Yellow Magenta Set a value larger 0 to 255 128 Pe 05 1019 O 1 2 than 128 to increase Detail 05 1023 0 1 2 the density 600 x 600 Pf Te cog Smooth 05 1028 0 12 05 1032 0 1 2 E a E 05 1036 0 1 2 than 128 to decrease Cyan en 600 x 600 1200 x 600 pio antes Set the value in increments of approximately 10 while checking the printout until the optimum value is obtained The subcode varies according to the area for which the density is adjusted Refer to the table below and set the subcode for the area to be adjusted Area for the densily to be adjusted O d ERRET area a E High density area lt Note gt After performing the adjustment the values changed will be applied to all printouts for the Image Quality Type an
18. Q Cautions after the completion of the adjustment Nothing in particular LJ Remarks If this adjustment does not result in the desired image quality it is recommended to scan the black and white original and store it in the e Filing box Scan to Box rather than copy it Provided that the image stored is imported into an application on a client PC Scan to Box will provide the image most suitable for displaying on the computer monitor Remember that copying and storing in the e Filing box cannot be performed simultaneously e STUDIO281 351c 451c 44 4 e Filing specific Adjustments 4 5 To Match with the Color Balance on the Original To adjust the color balance in Print to Box Before the adjustment After the adjustment l Print to Box l Print to Box e Filing box e Filing box l Downloaded l Downloaded Client PC Client PC Displayed on the Displayed on the computer monitor computer monitor The image stored in the e Filing box looks The color balance of the image stored is closely different in the color balance from the original matched with that of the original 4 5 e STUDIO281c 351c 451c 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 c
19. STUDIO281 351c 451c 2 41 2 1 2 Copier specific Adjustments 2 1 3 To Adjust the Copy Image Quality in 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 effectiveness of the adjustment restore the settings made in the previously used procedure to the original Then perform the next procedure Procedures 1 and 2 are used by the service technician and by the user Procedure 3 1s used by the service technician only W 1 Press the BASIC button on the Control Panel Press the button to increase the copy density P 2 P 3 After increasing the copy density copy and check the copy image quality With the copy density set to the maximum if further image quality adjustments are still necessary use the next procedure Press the IMAGE button on the Control Panel Press the SHARPNESS button Press the SHARP button to increase the sharpness intensity After increasing the sharpness intensity copy and check the copy image quality With the sharpness intensity set to the maximum if further image quality adjustments are still necessary the service technician must use the next procedure Enter adjustment mode 05 Increase the value for code 1757 to increase the copy density of text or increas
20. Therefore carefully perform the adjustment while checking the copy image 2 17 2 To Adjust the Tint of Red in Red and Black Mode The adjustment is performed by the service technician and by the user Wf 1 Press the IMAGE button on the Control Panel Press the TWIN COLOR COPY button Press the RED amp BLACK button to enter red and black mode Wf 2 Press the ADJUST button Press the button or the button for the color to be adjusted in order to adjust the tint of red e Press the button to decrease yellow and the button to enhance magenta in order to enhance the tint of red e Press the button to enhance yellow and the button to decrease magenta in order to decrease the tint of red LJ Cautions after the completion of the adjustment Nothing in particular e STUDIO281c 351c 451c 247 2 Copier specific Adjustments 2 18 To Adjust the Image Quality Scanned from the RADF Before the adjustment The reproducibility of background may vary The gap in the reproducibility of background depending on how to scan an original is reduced LJ Explanation The reproducibility of background may vary depending on the type of original or whether to scan an original placed on the original glass or fed from the RADF MR 3018 Adjust the reproducibility of background while scanning an original fed from the RADF in order to minimize the gap in the reproducibility of background using either of
21. a value smaller than 5 to vn decrease the density Black 05 1633 Set the value in increment of 1 while checking the copy image until the optimum value is obtained After adjusting the maximum color density of text copy and check the copy image quality If further image quality adjustments are still necessary use the next procedure 2 10 e STUDIO281 351 c 451 c 2 Copier specific Adjustments i 5 Enter adjustment mode 05 Change the value for code 1725 to adjust the level of reproducibility in Text Photo mode 05 code Value recommended peccpiable Default value range Full color 05 1725 Set a value smaller than 3 OtoS 0 Set the value in increment of 1 while checking the copy image until the optimum value is obtained First set 3 for this code and check the copy image If further image quality improvements are still necessary set 2 If even further improvements are still necessary set 1 for this code Remember that if a value larger than 3 is set the edges of the image are enhanced attaching importance to the reproducibility of text The table below shows you the correlation between the value and image quality Default Intermediate l Intended to improve the reproducibility of photos Soft more than the one obtained when 2 is set 7 Intended to improve the reproducibility of photos more than the one obtained when 3 is set Equivalent to the one obtained when the default
22. attention is required since the adjustment may have different impact according to patterns of the image to be printed Q Cautions after the completion of the adjustment Carefully perform the adjustment while printing out images since the adjustment may cause grainness or gradation variations e STUDIO281 351c 451c 3 7 3 Printer specific Adjustments 3 8 To Clearly Print Thin Lines Double Lines Before the adjustment After the adjustment Conglomerate Group s PRTR datal Ursa Major Operations Conglomerate Corp Ursa Major Operations Conglomerate Corp 1 __ Zinc water soluble compounds p Zinc water soluble compounds 16 _ 2 aminoethanol 2 aminoethanol 43 Ethylene glycol 63 _ Xylene 69 Chromium VI compounds Chromium VI compounds zm 227 Toluene 230 Lead and its compounds Lead and its compounds Barium and its w ater solub le compounds 283 Hydrogen fluor ide and its water soluble salts __304 Boron and its compounds Boron and its compo 346 Molybdenum and its compounds Molybden um and its compounds Thin lines or double lines are dotted on the The thin lines or double lines are clearly print out printed out LJ Explanation When thin lines or double lines which are laid out on a solid filled area are printed out they may sometimes be dotted on the printout Change the printer driver setting in order to clearly print them out LJ Procedure The adjustment is performed by the service
23. cause a loss in copier performance including degradation in the image quality and reduction in the life of the consumables e STUDIO281 351c 451c 2 41 2 Copier specific Adjustments 2 2 To Closely Match with the Color Balance of the Original Before the adjustment After the adjustment The copy image looks yellowish compared The color balance of the copy image is closely with the original matched with that of the original Q Explanation Depending on the color balance of the original the copy image sometimes looks different from the original Perform image quality control automatic calibration hue adjustment color balance adjustment or RGB adjustment and the color density adjustment in order to match the color balance of the copy image with that of the original 2 2 e STUDIO281 351 c 451 c 2 Copier specific Adjustments LJ 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 effectiveness of the adjustment restore the settings made in the previously used procedure to the original Then perform the next procedure Procedures 1 and 4 are used by the service technician only Procedures 2 and 3 are used by the service technician and by the user Ba a WW G1 Enter adjustment mode 05 Select code 395 P
24. checking the copy image until the optimum value is obtained Changing the values for the codes corresponding to Text Photo mode will affect the copy image quality in Full color mode and Auto color mode The subcode varies according to the area for which the density is adjusted Refer to the table below and set the subcode for the area to be adjusted Area for the density to be adjusted Low density area Medium density area High density area 2 2 e STUDIO281 351 c 451 c 2 Copier specific Adjustments LJ Cautions after the completion of the adjustment The adjustment may possibly cause offset failure particularly when the highly colored original is copied in Photo mode Therefore carefully perform the adjustment while checking the copy image LJ Remarks Enter the value within the recommended value range mentioned in the procedures Otherwise it may cause a loss in copier performance including degradation in the image quality and reduction in the life of the consumables e STUDIO281 351c 451c 29 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 LJ Explanation When an original containing gray is copied another color may be blended in the gray area Perform image quality control and perform the automatic calibration
25. color mode Refer to the procedure corresponding to a user s request e STUDIO281 351 c 451 c 2 Copier specific Adjustments 2 6 1 To Adjust the Copy Image Quality in 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 effectiveness of the adjustment restore the settings made in the previously used procedure to the original Then perform the next procedure Procedure 1 is used by the service technician and by the user Procedures 2 to 4 are used by the service technician only E 1 Press the IMAGE button on the Control Panel Press the BACKGROUND ADJUSTMENT button Press the LIGHT button to decrease the background density After decreasing the background density copy and check the image quality With the background density set to the minimum if further image quality adjustments are still necessary the service technician must use the next procedure E 2 Enter adjustment mode 05 Change the values for codes 600 to 602 to adjust the background density Origina 05 code Value recommended OSI PADE Default mode value range Text Photo 05 600 05 601 Set a value smaller than 5 l to 9 5 05 602 Set the value in increments of approximately 1 while checking the copy image until the optimum value is obta
26. gt If printing is performed with PCL5c or if you print out a file or high definition PDF file created on a DTP application for printing CMYK data such as Illustrator QuarkXPress FreeHand or CorelDraw or a graphic application black text may not be converted into 100 black But if printing is performed with PS3 the K toner is used to print black text as shown on the file After printing on the PS3 driver print and check the print image quality If further image quality adjustments are still necessary use the next procedure Mi 2 Select Line Art from among the Image Quality Type options on the printer driver Line Art allows gray areas to always be reproduced using only the K toner The hue of any color other than black this option provides is the same as the one the Presentation option provides For Windows This adjustment will have an effect only on full color printing Open the property page of the printer driver Select Line Art from among the Image Quality Type options TOSHIBA e STUDIO451cSeriesPCL5c Properties Setup Print Job Layout Effect Image Quality About Image Quality Type C General f Photograph H alftone Plea E E Brightness 0 Graphics Text Saturation 0 Profile None Y Save sis Distinguish Thin Lines i Pure Gray Restore Default Restore Defauts 1 Black for Al Tents c e STUDIO281c 351c 451c 3 43 3 Printer specific Adjustments Fo
27. high density area But this will not solve the problem Therefore never change the values for the high density area Area for the density to be adjusted C O Low density area Medium density area LJ Cautions after the completion of the adjustment The adjustment may possibly cause text handwritten with a pencil or light text to become illegible on the copy Therefore carefully perform the adjustment while checking the copy image LJ Remarks Enter the value within the recommended value range mentioned in the procedures Otherwise 1t may cause a loss in copier performance including degradation in the image quality and reduction in the life of the consumables e STUDIO2810 351c 451c 2 7 2 Copier specific Adjustments 2 2 To Adjust the Copy Image Quality in 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 effectiveness of the adjustment restore the settings made in the previously used procedure to the original Then perform the next procedure Procedures 1 and 3 are used by the service technician and by the user Procedure 2 is used by the service technician only NW 1 Press the IMAGE button on the Control Panel Press the BACKGROUND ADJUSTMENT button Press the LIGHT button to decrease the backgr
28. image quality type option in the Quality menu on the printer driver Halftone option applied Image Quality Type Windows Halftone Auto Smooth Photograph Smooth The subcode varies according to the area for which the density is adjusted Refer to the table below and set the subcode for the area to be adjusted Area for the density to be adjusted Low density area Medium density area High density area lt Note gt After performing the adjustment the values changed will be applied to all printouts for the Image Quality Type and Halftone options For instance if the values for 05 code for PCL 600 x 600 and Smooth are changed they will be applied to printing performed with PCLS5c 600 x 600 Halftone Smooth or Auto selected Carefully perform the adjustment being aware that the image quality of all future printouts will be changed when printing out originals other than the one that is used for the adjustment LJ Cautions after the completion of the adjustment Nothing in particular e STUDIO281 351 c 451 c 3 Printer specific Adjustments 3 3 To Closely Match with the Color Balance on the Monitor As viewed on the monitor adjustment a The color balance as viewed on the monitor The color balance of the printout is closely looks different from the printout matched with the one on the monitor Q Explanation The color balance on the printout is initially programmed to prov
29. images Therefore the color balance this option provides may be slightly different from the one on the monitor If Presentation is selected Smooth will be selected by default or automatically from among the Halftone options Smooth is intended to improve the reproducibility of gradation The effects of Pure Black and Pure Gray will be applied only to text and graphics in this option e Line Art Line Art is intended to reproduce thin lines without jaggies visible on the printout It is suitable for printing out line drawings The color balance this option provides is the same as the one the Presentation option provides But if LineArt is selected Detail will be selected by default or automatically from among the Halftone options Detail is intended to print halftones in detail with the high density The effects of Pure Black and Pure Gray will be applied to text graphics and raster data or image in this option After changing the printer driver settings print and check the print image quality If further image quality adjustments are still necessary the service technician must use the next procedure e STUDIO281 351c 451c 3 2 3 Printer specific Adjustments PcL5c PCL6 _PS3 EED E 2 Enter adjustment mode 05 Select code 395 Press the START button e Image quality control will be forcibly performed to correct variations in image contrast After exercising image quality control prin
30. mode is selected from among the original mode options If Text Photo mode is selected the adjustment will affect only text or an area which is recognized as text Q Procedure The adjustment is performed by the service technician only The procedure to use varies depending on whether to adjust the copy image quality in Black mode or Full color mode Refer to the procedure corresponding to a user s request 2 16 e STUDIO281 351 c 451 c 2 Copier specific Adjustments 2 16 1 To Adjust the Copy Image Quality in Black Mode E 1 Enter adjustment mode 05 Increase the value for code 648 to increase the copy density of text To improve faint smudged text or thin lines e Initially set a value larger than 180 for code 05 648 Copy and check the copy image quality Next finely adjust the value in accordance with the original density Up to 255 can be set for this code Original mode 05 code Value recommended aCe E Default value range Text Photo 05 648 Approx 180 0 to 255 2 16 2 To Adjust the Copy Image Quality in Full Color Mode M 1 Enter adjustment mode 05 Change the values for codes 1630 to 1633 to adjust the maximum color density of text TERE acon vane roommate oon adjusted value range Y Yellow pone M Magenta C Cyan K Black Set a value larger than 5 to 05 1631 increase the density 05 1632 Set a value smaller than 5 to decrease the density 05 1633 Set th
31. or gradational images 1s printed the output image sometimes looks light and blurred Perform image quality control or automatic calibration and adjust the transfer roller bias output in order to obtain a darker and sharper image LJ Procedures Perform the adjustment in accordance with the procedures below Procedures 1 3 and 4 are used by the service technician only Procedure 2 is used by the service technician and by the user 8 1 Enter adjustment mode 05 Select code 395 Press the START button e Image quality control will be forcibly performed to correct variations in density After exercising image quality control print and check the image quality If further image quality adjustments are still necessary use the next procedure BW 2 Perform the automatic calibration to correct variations in image density 1 1 ADMIN is selected from among the CALIBRATION DISPLAY LEVEL options by default In other words an administrator is authorized to operate the automatic calibration But the USER option can also be selected to allow the user to operate it Refer to the User Functions Guide for further information regarding how to select the CALIBRATION DISPLAY LEVEL option e STUDIO281 351 c 451 c 1 General Adjustments Copying Printing and e Filing Output from Box To adjust the copy image quality Use steps a through 1 to perform the automatic calibration a Press the USER F
32. scanned in image significantly varies depending on the selected resolution or JPEG compression rate If an appropriate resolution and a compression rate are selected in accordance with the purpose of the original the image quality will be maintained while the file size is being reduced Change the resolution original mode or JPEG compression rate or perform the background adjustment in order to minimize the file size of the scanned in image Q 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 effectiveness of the adjustment restore the settings made in the previously used procedure to the original Then perform the next procedure All the adjustments are performed by the service technician and by the user e STUDIO281 351 c 451 c EW E 2 iU 3 iU A 5 Scanning specific Adjustments When scanning the original press the EDIT button on the Control Panel Select a lower resolution option in the RESOLUTION option In the RESOLUTION option 200 dp1 is selected by default Select a lower resolution option 100 dpi or 150 dpi to reduce the file size This adjustment will have an effect on the image scanned in all color modes Full color Gray scale Black and Auto color After changing the resolutio
33. the adjustment Nothing in particular LJ Remarks Not all colored text e g extremely large sized text may be printed in black e STUDIO281 351 c 451 c 3 11 3 Printer specific Adjustments 3 12 To Ignore Blank Pages for Printing Before the adjustment After the adjustment Excursions A blank page is also delivered A blank page is ignored for printing LJ Explanation Some applications may be designed to automatically insert blank pages for laying out the pages of a document Change the printer driver setting in order to ignore all blank pages for printing LJ Procedure The adjustment is performed by the service technician and by the user E i C Mark the Do not Print Blank Pages checkbox on the printer driver 3 12 e STUDIO281 351 c 451 c 3 Printer specific Adjustments For Windows Open the property page of the printer driver Mark the Do not Print Blank Pages checkbox in the Effect tab TOSHIBA e STUDIO451cSeriesPCL5c Properties Setup Frint Job Layout Effect Add Edit Print on First Page Only Overlay Image None Delete T Print over the document Rotate 180 degrees Graphics Profile None Save As Delete Restore Defaults e STUDIO281c 351c 451c 3 49 3 Printer specific Adjustments For Macintosh Mac Open the print dialog box Mark the Do not Print Blank Pages checkbox The menu to be selected varies according to
34. the background density copy and check the image quality With the background density set to the minimum if further image quality adjustments are still necessary the service technician must use the next procedure E 2 Enter adjustment mode 05 Change the values for codes 600 to 602 to adjust the background density Slt Mrel 05 code Value recommended pA EME Default mode value range Text Photo 05 600 05 601 Set a value smaller than 5 l to 9 5 05 602 Set the value in increments of approximately 1 while checking the copy image until the optimum value is obtained After adjusting the background density copy and check the copy image quality If further image quality adjustments are still necessary use the next procedure E 3 Press the BASIC button on the Control Panel Press the button to decrease the copy density Move the copy density indicator to the Q side for 1 or 2 steps The images seen through the back of the page will no longer be copied But remember that text will also be lightly copied depending on the type of original After decreasing the copy density copy and check the copy image quality With the copy density set to the minimum if the images seen through the back of the page are still copied or if you would like to prevent this problem without changing the copy density of text use the next procedure e STUDIO2810 351c 451c 2 7 2 Copier specific Adjustments E 4 Adjust the ba
35. the copy image quality With the copy density set to the maximum if further image quality adjustments are still necessary the service technician must use the next procedure e STUDIO281 351c 451c 2 5 2 Copier specific Adjustments M I 4 Enter adjustment mode 05 Change the values for codes 1779 to 1798 to adjust the color density ee Hole Original mode Original mode 05 code Subcode Value recommended Acceptable Default ee usted value rang gt Default me Magenta agi moe Set a value larger than 128 to increase the density 0 to 255 Text Photo 05 1794 o K 05 1795 Black TexvPhoto 05 1789 on Set a value smaller than 128 05 1790 to decrease the density Cyan Set the value in increments of approximately 10 while checking the copy image until the optimum value is obtained Changing the values for the codes corresponding to Text Photo mode will affect the copy image quality in Full color mode and Auto color mode The subcode varies according to the area for which the density is adjusted Refer to the table below and set the subcode for the area to be adjusted The density of the highlighted area will vary if the low or medium density area is mainly adjusted Setting 2 for subcode allows you to adjust the high density area But it will not affect the highlighted area Therefore never change the values for the high density area Area for the density to be adjusted L
36. the default set value 5 and then perform the adjustment again When replacing any consumable refer to the relevant information in the Service Manual and Service Handbook e STUDIO281 c 351 c 451 c 1 1 1 General Adjustments Copying Printing and e Filing Output from Box 1 2 To Achieve the Image Quality Most Suitable for Paper Used Before the adjustment After the adjustment I l I l i c Oo 2 O D 5 D Z A I l I l v The image quality at the trailing edge of the paper may The clear image quality most suitable for become lighter depending on the type of paper used a type of paper used is obtained lt Printing direction Toner is splattered in the image depending on the type of paper used 1 2 e STUDIO281c 351c 451c 1 General Adjustments Copying Printing and e Filing Output from Box LJ Explanation The image sometimes looks slightly blurred or grained on the copy or printout depending on the type of paper used In addition it may become lighter at the trailing edge of the paper Adjust the transfer roller bias output in order to achieve the image quality most suitable for the paper used Procedures The service technician must perform the adjustment in accordance with the procedures below The procedure to use varies depending on whether the image looks blurred grained or becomes lighter at the trailing edge of the paper Use the p
37. the file size will COMPRESS options the file size will be become larger than required reduced LJ Explanation When an original is scanned in Full color or Gray scale mode and stored in the e Filing box Scan to Box it will be compressed in JPEG format The data compression rate can be selected on a job by job basis The file size significantly varies depending on the selected data compression rate When LOW is selected in the JPEG COMPRESS option the file size will be 2 to 4 times larger than the one when HIGH is selected When storing the original if a higher priority is given to the file size reduction than the image quality change the JPEG compression rate Please remember that the e Filing functions are available only on the Windows platform but not on the Macintosh or UNIX platform This adjustment will have an effect on the image stored using Scan to File and Scan to E mail LJ Procedure The adjustment is performed by the service technician and by the user e STUDIO281 351 c 451 c 4 e Filing specific Adjustments This adjustment will have an effect only on the image stored in Full color mode including Auto color mode or Gray scale mode 1 WY WP 1 Select HIGH from among the JPEG COMPRESS options In the JPEG COMPRESS option MID is selected by default The procedure to use varies depending on whether to select the JPEG compression rate on a job by job basis without utilizing t
38. the operating system Refer to the table below and select the Printing Modes gt Do not Print Blank Pages Print Mode gt Do not Print Blank Pages Printer e STUDIO4S 1c Presets Standard HH Print Mode Normal Wa 00000 l Department Code Disabled 31 0000 Do not Print Blank Pages Disabled 7 Preview Save As PDF Fax 3 12 e STUDIO281 351 c 451 c 3 Printer specific Adjustments Q Cautions after the completion of the adjustment The adjustment may possibly cause the functions in the Layout tab Booklet printing N up printing Use Front Cover Use Back Cover and Interleave Pages not to work as programmed Therefore pay special attention to a combination of the functions to be used LJ Remarks If any data is inserted in the header or footer of a particular page on Excel or Word even though no data is present in the body the page will not be recognized as a blank page The header or footer will be printed out e STUDIO281c 351c 451c 3 42 3 13 3 Printer specific Adjustments 3 13 To Sharply Print Black Text Before the adjustment After the adjustment W good mesica emerger coer Emergency Preparedness Emergency Preparedness h wererral peeperstars you om lowes coerw wi o y josain ad saree n J pe aad fa ate propo ddos be rg carcfal Things to have tor Things to have for an emergency Azap on by beih ia cunn asd an emergency Text lo
39. the original Then perform the next procedure Procedures 1 and 3 are used by the service technician and by the user Procedure 2 is used by the service technician only NW 1 Press the IMAGE button on the Control Panel Press the BACKGROUND ADJUSTMENT button Press the LIGHT button to decrease the background density After decreasing the background density copy and check the image quality With the background density set to the minimum if further image quality adjustments are still necessary the service technician must use the next procedure M 2 Enter adjustment mode 05 Change the values for codes 1688 to 1692 and 1698 to 1702 to adjust the background density Adjustment Original mode 05 code Value recommended Acceptable Default value table Default Automatic offsetting adjustment for background processing Set a value smaller than 128 0 to 255 Manual offsetting adjustment for 05 1700 background processing 05 1701 05 1702 The value for the automatic offsetting adjustment for background processing will be applied only if automatic copy density mode is selected On the other hand the value for the manual offsetting adjustment for background processing will be applied only if manual copy density mode is selected Set the value in increments of approximately 10 while checking the copy image until the optimum value is obtained The outcome of the adjustment will affect onl
40. the scanning function Scan to Box and printed as it 1s without setting the printing image mode printing may be performed with image processing not suitable for the image causing image quality that the user requires not to be obtained To finely print a color image stored with the scanning function image processing optimal for the image can be used for printing by selecting the suitable printing image mode General Photo Presentation Line Art as you do for printing with the printer driver Procedure Perform the adjustment in accordance with the procedures below The adjustment is performed by the service technician and by the user This adjustment will have an effect only on the image stored in Full color mode Ii 1 Scan the full color image and store it in the e Filing box For further information regarding how to store the image using the scanning functions refer to the Operator s Manual for Basic Function i I 2 Select a printing image mode suitable for the stored image e Use steps a to d to change the printing image mode a Press the USER FUNCTIONS button on the Control Panel to enter the User Functions menu b Press the USER button c Press the E FILING button d Press the button for the mode suitable for the image in the PRINTING IMAGE MODE option For further information regarding the features of each printing image mode refer to the explanation of the Image Quality Type optio
41. 05 417 1 is increased by 3 the print position of cyan will be shifted for 0 1269 mm 0 0423mm x 3 toward the trailing edge of the paper This correction will affect all pages e STUDIO281 351c 451c 1 5 1 5 1 General Adjustments Copying Printing and e Filing Output from Box How to use test print pattern for correcting out of register colors block pattern Align 3 toner colors Y C and K with magenta M to make spacing equal at the leading edge and trailing edge of the test print pattern Correction at the leading trailing edge Before Pattern at the leading edge After Lower spacing 0 169 mm Upper spacing 0 169 mm i Zi O 5 O D T on no D L a 5 A Align the print positions of Y C and K to M and make spacing equal To correct out of register colors Pattern at the trailing edge e Decrease the value for Y e Decrease the value for C e Increase the value for K If spacing of the patterns at the leading edge and trailing edge of the printed pattern cannot be equalized at a time adjust the spacing to meet either of the following conditions e Make the upper spacing of the pattern at the leading edge equal to the lower spacing of the pattern at the trailing edge e Make the lower spacing of the pattern at the leading edge equal to the upper spacing of the pattern at the trailing edge If the direction or the amount of out of register colors is not consist
42. 150 100 dpi e Black mode 600 400 300 200 150 dpi e Remember that when scanning in Full color mode if the original mode option is switched from Photo mode or Printed image to Text mode the file size may become larger e STUDIO281 c 351 c 451 c 5 4 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 LJ 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 5 5 e STUDIO281c 351c 451c 5 Scanning specific Adjustments LJ Procedure The adjustment is performed by the service technician only E ME WZ 1 Enter adjustment mode 05 Change the values for codes 1086 to 1088 and 840 to 843 to adjust the sharpness intensity Color mode Color mode Original mode 05 code Value recommended Acceptable Default value range Black Set a value larger than 16 0 to 31 Full color Grayscale 05 843 Setting 1 provides the softest image while setting 31 provides the sharpest image The default value 0 provides an image as sharp as the one provided by setting 16 LJ Cautions after the completion of the adjustment The adjustm
43. 3 a Intermediate value 0 is set 4 Intended to improve the reproducibility of text more than the one obtained when 3 is set 5 Intended to improve the reproducibility of text more Sha than the one obtained when 4 is set tP L Cautions after the completion of the adjustment When the original containing text 1s copied the adjustment may possibly cause the text to become blurred on the copy Therefore carefully perform the adjustment while checking the copy image LJ Remarks e Enter the value within the recommended value range mentioned in the procedures Otherwise it may cause a loss in copier performance including degradation in the image quality e Procedures 2 and 3 provide the same effect of the adjustment However procedure 3 allows more flexible adjustment e STUDIO281c 351c 451c 2 10 2 11 2 Copier specific Adjustments 2 11 To Make Solid Filled Bold Text Logo Highly Colored Before the adjustment After the adjustment Our Top Five Romantic Destinations Our Top Five Romantic Destinations Whether you re shopping for your perfect honeymoon destination or just looking for a Whether you re shopping for your perfect honeymoon destination or just looking for a special getaway our top destination picks for romance offer beauty relaxation and plenty special getaway our top destination picks for romance offer beauty relaxation and plenty of activities for just the two of you Our members chose these f
44. 51c 451 5 1 5 Scanning specific Adjustments 5 2 To Scan the Original while Eliminating the Background Color To eliminate the background density Before the adjustment After the adjustment TOSHIBA COPIER DEMONSTRATION CHART B 1 Function Automatic Exposure Control THE TOSHIBA TIMES HOW MANY DINOSAURS S a narrow p smi wo or three tim elephant Thi ropariio weight was di the large The background color of the original is also The background color is eliminated allowing scanned Therefore no clear contrast 1s made clear contrast between the background and between the background and image image LJ Explanation When an original with a background color is scanned such as a newspaper and color paper the background color is also scanned Therefore no clear contrast is made between the background and image Perform the background adjustment in order to clearly scan this type of original This adjustment will have an effect only on the image scanned in Full color mode including Auto color mode or Gray scale mode Q 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 effectiveness of the adjustment restore the settings made in the previously used procedure to th
45. 63 ladder pattern A3 LD Use code 05 62 The grid pattern will be printed on the entire copy with all toner colors C M Y and K overlaid Check the printed grid pattern or whether the toner colors are accurately overlaid to discover out of register colors on the entire copy Jot down a page number and paper feeding direction on the printed test print pattern beforehand This facilitates identifying out of register colors in the subsequent adjustment M I 2 Enter adjustment mode 05 Change the values for codes 417 and 418 to correct out of register colors e Align 3 toner colors Y C and K with magenta M First change the value for code 05 417 and correct out of register colors on the first page of the test print pattern Next print out the 2 copies of test print pattern again Change the value for code 05 418 and correct out of register colors on the second page 05 code Value recommended Acceptable value range Y yellow A 05 417 125 to 131 118 to 138 C cyan A K black M magenta 125 to 131 118 to 138 C cyan l K black Lo If the set value is increased by 1 the print position of the color will be shifted for 0 0423 mm toward the trailing edge of the paper For instance if the value for code 05 417 1 is increased by 3 the print position of cyan will be shifted for 0 1269 mm 0 0423mm x 3 toward the trailing edge of the paper This correction will affect all pages 1 5 e
46. Change the values for Y 05 1018 M 05 1019 C 05 1020 and K 05 1021 Printing on Macintosh is performed in PostScript See the PS3 row in the table below The resolution option on the Macintosh printer driver is Low res 600 x 600 or High res 1200 x 600 SOO Resolution 05 code Subcode Haue ASSO ALC adjusted recommended _ value range E eiw t a emoon ostor 071 Magenta __ Smoot 081011 07172 Set a value larger than 128 to increase O S Detail 05 1023 0 1 2_ the density a a to a Oe fonao Soot osie orzo ai see rae Pee ree aces Set the value in increments of approximately 10 while checking the printout until the optimum value is obtained e STUDIO281 351c 451c 3 2 3 2 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 density On Windows PCLS5c and PS3 the halftone option to be applied in printing can be selected from among the Halftone options in the Image Quality tab Auto is selected from among the options by default It is intended to automatically select Smooth or Detail in accordance with the selected Image Quality Type option as described by the table below On Macintosh the halftone option in full color printing is determined based on the selected
47. Check the life of the consumables particularly the drum developer material and fuser unit and replace them if necessary e When replacing any consumable use steps a to c below a Enter PM support mode Reset the counter corresponding to the replaced consumable to 0 For further information regarding PM support mode refer to the Service Handbook b Enter adjustment mode 05 Select code 396 Press the START button e Image quality control will be performed and the image quality control value will be initialized c Perform the automatic calibration in the same manner as in procedure 2 After replacing any consumable remember to reset the counter corresponding to it to 0 Otherwise it may cause a loss in copier performance including degradation in the image quality and reduction in the life of the consumables While replacing any consumable also check the slit glass in the laser optical unit and thoroughly clean it if it is soiled LJ Cautions after the completion of the adjustment Nothing in particular LJ Remarks e Enter the value mentioned in the procedures or one within the recommended value range for the adjustment Otherwise it may cause a loss in copier performance including degradation in the image quality and reduction in the life of the consumables e If printing on another type of paper causes a problem with the image quality after the adjustment return the set values for 05 234 to 239 to
48. Image smoothing mode e Printer An adjustment having an effect on black and white printing The adjustment will be effective if Mono is selected from among the Color options on the Windows printer driver or if Mono is selected from among the Color Resolution Type options on the Macintosh printer driver e Scan An adjustment having an effect on scanning in Black mode e Copy An adjustment having an effect on copying in Image smoothing mode in Black mode e Scan An adjustment having an effect on scanning in Gray scale mode e Copy An adjustment having an effect on copying in Full color mode e Printer An adjustment having an effect on full color printing The adjustment will be effective if Automatic is selected from among the Color options on the Windows printer driver or if Color is selected from among the Color Resolution Type options on the Macintosh printer driver e Scan An adjustment having an effect on scanning in Full color mode e Copy An adjustment having an effect on copying in Auto color mode e Scan An adjustment having an effect on scanning in Auto color mode An adjustment having an effect on printing on the Windows PCL5c emulation printer driver An adjustment having an effect on printing on the Windows PCL6 emulation printer driver An adjustment having an effect on printing on the Windows PS3 emulation printer driver An adjustment having effect on printing on the Macintosh printer driver An adjustment having an e
49. Page Only Hone Delete T Print over the document Graphics Protile None Save As Delete Restore Defaults EE TT 3 9 e STUDIO281 351 c 451 c 3 Printer specific Adjustments For Macintosh Mac This adjustment will have an effect only on full color printing Open the print dialog box Mark the Toner Save checkbox The menu to be selected varies according to the operating system Refer to the table below and select the Quality gt Toner Save Printer Features gt Feature Sets Quality gt Toner Save Presets Standard BY Printer Features KH Feature Sets Quality HA Color Resolution Type Color Low res General Pure Black and Gray w Black Over Print M Smoothing 7 Preview Save As PDF Fax Cancel Q Cautions after the completion of the adjustment The adjustment may possibly provide lower image density than the user desires when printing is performed in toner save mode Therefore carefully perform the adjustment while checking the printout LJ Remarks The print density in toner save mode can also be adjusted For further information regarding the adjustment procedures refer to 3 10 To Adjust the Image Density in Toner Save Mode e STUDIO281 351c 451 3 9 3 Printer specific Adjustments 3 10 To Adjust the Image Density in Toner Save Mode Before the adjustment After
50. Panel and select the original mode option as follows Ei U 2 e To copy in Full color mode Select the Printed image mode option e To copy in Black mode Select the Photo mode option When copying a photo image in Full color mode select the Photo mode option from among the original mode options To have the above original mode options selected by default refer to procedure 1 in 2 8 To Eliminate Moir After changing the default original mode option copy and check the copy image quality If further image quality adjustments are still necessary use the next procedure 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 e STUDIO281c 351c 451c 2 10 2 Copier specific Adjustments EII 3 Enter adjustment mode 05 Change the values for codes 604 to 606 1737 to 1741 and 1757 to adjust the sharpness intensity Decreasing the sharpness intensity will minimize the edges of the image Color mode mode Color mode Original mode 05 code Value recommended Acceptable Default value range Text Photo 05 604 Black 05 605 Seta value smaller than 16 0 to 31 05 606 Full color 05 1739 Seta
51. Press the desired resolution button 600 x 600 or 1200 x 600 of the PDL PS3 or PCL emulation which will be subjected to the calibration h Press the CALIBRATION button to print out the test chart 1 Place the printed test chart on the original glass j Press the START button to perform calibration When the calibration comes to an end the message Scanning and calibrating will disappear k The message Is a result made to reflect will appear Press the YES button Automatic calibration correction will be applied to printing performed under the following conditions Printing Automatic calibration Printer driver eo correction Color Applied _ Not applied Windows Color Automatic Applied Not applied Applied Color Resolution Type Color Applied Color Resolution Type Mono Not applied Macintosh The 1200 x 600 button will be displayed provided that the optional GC 1181 and GC 1230 expansion memories are installed Repeat the above steps to correct the resolution of the PDL PS3 or PCL emulation if necessary LJ Cautions after the completion of the adjustment Nothing in particular e STUDIO281 351c 451c 3 1 3 2 3 Printer specific Adjustments 3 2 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 LJ Explanation If you wo
52. QuarkXPress For Windows PCL5c This adjustment will have an effect only on full color printing Open the property page of the printer driver Unmark the Pure Gray checkbox in the Image Quality Tab TOSHIBA e STUDIO451cSeries PSL3 Properties Setup Print Job Layout Effect Image Quality About i General f Photograph O Presentation H alftone EE Graphics Text T Distinguish Thin Lines W Black Over Print Profile None ts Save Ag Restore Defaults lw Pure Black e STUDIO281c 351c 451c 34 3 Printer specific Adjustments For Macintosh GEE This adjustment will have an effect only on full color printing Open the print dialog box Unmark Pure Black and Pure Gray in the Pure Black and Gray drop down list Select Pure Black Only from the drop down list The menu to be selected varies according to the operating system Refer to the table below and select the menu Quality gt Pure Black amp Gray Printer Features gt Feature Sets Quality gt Pure Black and Gray Printer e STUDIO451c HA Presets Standard g Printer Features HH Feature Sets Quality Color Resolution Ty m i 1 vA off B Pure Black and Cray IRA aE E Pure Black and Pure Gray L Black Over Print ee M Smoothing Toner Save Preview Save As PDF Fax Cancel After changing the printer driver settings prin
53. SER option can also be selected to allow the user to operate it Refer to the User Functions Guide for further information regarding how to select the CALIBRATION DISPLAY LEVEL option After performing the automatic calibration copy and check the copy image quality If further image quality adjustments are still necessary use the next procedure 2 3 e STUDIO281 c 351 c 451 c 2 Copier specific Adjustments ll 3 Perform the color balance adjustment or RGB adjustment to adjust the hue For further information regarding the adjustment procedures refer to procedure 2 in 2 2 To Closely Match with the Color Balance of the Original After adjusting the hue copy and check the copy image quality If further image quality adjustments are still necessary use the next procedure M I 4 Enter adjustment mode 05 Change the values for codes 1779 to 1798 to adjust the color density SOR OLE Original mode 05 code Subcode Value recommended ATES MELEE adjusted value range Rein iene agin era Set a value larger than 128 to increase the density 0 to 255 128 Text Photo 05 1794 0 1 2 7 05 1795 0 1 2 Black __Text Photo 05 1789 0 1 2 Set a value smaller than 128 05 1790 0 1 2 to decrease the density cyan Set the value in increments of approximately 10 while checking the copy image until the optimum value is obtained Changing the values for the codes corresponding to Text Photo mode
54. STUDIO281 351 c 451 c 1 General Adjustments Copying Printing and e Filing Output from Box How to use test print pattern for correcting out of register colors ladder pattern Align 3 toner colors Y C and K with magenta M at the leading edge and trailing edge of the test print pattern fz Align the print positions of Y C and K to M To correct out of register colors e Decrease the value for Y e Decrease the value for C l e Increase the value for K If the colors cannot be aligned at the leading edge and trailing edge of the test print pattern change the value to equalize the amount of out of register colors between the leading edge and trailing edge If the direction or the amount of out of register colors is not consistent print out several copies of the test print pattern to identify a pattern for the out of register colors direction and amount Then perform the adjustment most suitable for it e STUDIO281c 351c 451c 1 5 1 General Adjustments Copying Printing and e Filing Output from Box 1 5 2 Color Registration Control Procedure 1 To Correct Out of register colors on A4 LT sized Paper with Test Print Pattern 68 05 68 1 Enter adjustment mode 05 and print out the test print pattern to correct out of register colors e Use steps a to b to print out the test print pattern a Select A4 LT sized paper b Enter a code corresponding to a desired test print pattern Pr
55. Thick 3 164 to 209 g m Max 55 lb Bond 110 Ib Index Use the recommended OHP transparencies e STUDIO281c 351c 451 c 2 Copier specific Adjustments LJ Cautions after the completion of the adjustment Nothing in particular LJ Remarks e Enter the value within the recommended value range mentioned in the procedures Otherwise it may cause a loss in copier performance including degradation in the image quality and reduction in the life of the consumables e If the adjustment causes a toner fixing problem decrease the values for codes 05 1613 to 1616 e STUDIO281c 351c 451c 2 43 2 Copier specific Adjustments 2 14 To Obtain Smooth Gray scale Photo Images After the adjust ment X Pie a N Halftones are not accurately reproduced Halftones are reproduced better L Explanation 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 2 Copier specific Adjustments LJ Procedure The adjustment is performed by the service technician only i 1 Press the BASIC button on the Control Panel Select IMAGE SMOOTHING from among the original mode options To have
56. UDIO281c 351c 451c 2492 2 Copier specific Adjustments 2 13 To Obtain a Good Color Balance on Thick Paper Before the adjustment After the adjustment TOSHIBA TOSHIBA The copy image looks light on thick paper The copy image looks darker and sharper even on thick paper LJ Explanation When a copy is made on thick paper in thick paper mode the copy image sometimes looks light In thick paper mode the amount of toner used is reduced in advance in order to avoid a toner fixing problem Adjust the amount of toner used while checking the toner fixing in order to obtain a dark and sharp copy image on thick paper LJ Procedure The adjustment is performed by the service technician only i Z 1 Enter adjustment mode 05 Change the values for codes 1613 to 1616 to adjust the amount of toner used 2 13 e The code to use varies according to paper mode Adjust the value for the 05 code corresponding to paper mode for which you would like to improve the image quality and increase the value to obtain the copy density that the user desires 05 code Value recommended oE E value range oan 249 Set the value in increments of approximately 4 while checking the copy image until the optimum value is obtained The table below shows you the acceptable paper weight for the paper types Paper type Acceptable paper weight 81 to 105 g m Max 28 lb Bond Thick 2 106 to 163 g m Max 43 lb Bond 90 Ib Index
57. UNCTIONS button on the Control Panel to enter the User Functions menu b Press the ADMIN button c Enter the 6 digit administrator password Press the ENTER button d Press the GENERAL button ce Press the CALIBRATION button f Press the COPY button g Press the CALIBRATION button to print out the test chart h Place the printed test chart on the original glass 1 Press the START button to perform calibration When the calibration comes to an end the message Scanning and calibrating will disappear As a result of the above steps both the full color and black and white copy image quality will be corrected simultaneously To adjust the print image quality Use steps a through k to perform the automatic calibration a Press the USER FUNCTIONS button on the Control Panel to enter the User Functions menu b Press the ADMIN button c Enter the 6 digit administrator password Press the ENTER button d Press the GENERAL button ec Press the CALIBRATION button f Press the PRINT button g Press the desired resolution button 600 x 600 or 1200 x 600 of the PDL PS3 or PCL emulation which will be based on the calibration h Press the CALIBRATION button to print out the test chart 1 Place the printed test chart on the original glass j Press the START button to perform calibration When the calibration comes to an end the message Scanning and calibrating
58. Value for 08 559 Image quality control immediately after the copier is turned on lid Invalid Valid Mode 1 default Valid Mode 2 e After switching to mode 2 forcibly perform image quality control as follows Enter adjustment mode 05 Select code 395 Press the START button After forcibly exercising image quality control print and check the image quality If further image quality adjustments are still necessary use the next procedure E I EW 2 Check the life of the consumables particularly the drum developer material and transfer belt unit and replace them if necessary e When replacing any consumable use steps a to c below a Enter PM support mode Reset the counter corresponding to the replaced consumable to 0 For further information regarding PM support mode refer to the Service Handbook b Enter adjustment mode 05 Select code 396 Press the START button e Image quality control will be performed and the image quality control value will be initialized c Perform the automatic calibration For further information regarding the procedures refer to procedure 2 in 1 1 To Obtain a Darker Image After replacing any consumable remember to reset the counter corresponding to it to 0 Otherwise it may cause a loss in copier performance including degradation in the image quality and reduction in the life of the consumables While replacing any consumable also check the slit glass in
59. a to d to change the default JPEG compression rate 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 d In the JPEG COMPRESS option select HIGH as the default compression rate LJ Cautions after the completion of the adjustment Changing the default JPEG compression rate of the scanning functions will affect the quality of images which will be stored in Full color including Auto color or Gray scale mode Carefully perform the adjustment being aware that the image quality of all future images will be changed when storing originals other than the one that is used for the adjustment LJ Remarks If the image is copied or printed in full color or shades of gray and stored in the e Filing box Copy to Box or Print to Box the user can select a desired JPEG compression rate when downloading the image using File Downloader on a client PC e STUDIO281 351c 451c 49 4 3 4 e Filing specific Adjustments 4 3 To Store the Color Photo Image while Minimizing Moire Before the adjustment After the adjustment a iy a a When the magazine article containing full Storing it in Printed image mode will color photo images is stored in Photo mode reduce moire moir is likely to occur Q Explanation When an original such as a magazine article containing with full color photo images is copied in Full color mode with Photo m
60. a aliquam erat volupat Ut enim ad minim veniam quis nostrud exercitation ullam compor nderits im volupate velite illum dolore feu fugiat null parariatur Monnumy ejusmod tempor inciunt ut labore et dolore magna aliquam erat volupat Ut enim ad minim veniam quis nosirud exercitation ullam corpor mderits im volupate velite illum dolore feu fugiat null parariaturMonnumy ejusmod tempor inciunt ut labore et dolore magna aliquam erat volupal Lt enim ad minim veniam quis nostrud exercitation ulam corpor ndents im volupatea velila lum dolore feu fugiat null parariaturMonnumy ejusmod tempor inciunt ut labore et dolore magna aliquam eral volupat Ut enim ad minim 2 Copier specific Adjustments 2 12 To Sharply Contrast the Hues of Highlighters on the Copy After the adjustment E Hanc ego cum tene sententiam Adipiscing consecterur sed diam Auam multa vitigse and nan distriv t indical on ingenion Sumde enim bon et malute puew uira Moennumy ejusmod tempor inciunt ut labore at dolore magna aliquam erat volupat UE enim ad veniam quis nostrud exercitation ullam corpor nderits im volupate velite illum dolore feu fugiat nuli parariatur Monnumy ejusmod tempor inciunt ut labore et dolore magna aliquam erat volupat Ut enim ad minim veniam quis nosinud exercitation ullam compor nderits im volupate velite illum dolore feu fugiat mull parariatur Monnun mod tempor inciunt ut labore et dolore magna y erat volupat Ut enim ad minim veniam
61. ack mode LJ Explanation When Auto color mode is selected it will be automatically determined whether an original is colored or black and white Then it will be copied in Full color mode or Black mode But adjust the threshold value in order to change the threshold between Black mode and Full color mode and suit preferences of the user 2 15 e STUDIO281 351 c 451 c 2 Copier specific Adjustments Q 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 effectiveness of the adjustment restore the settings made in the previously used procedure to the original Then perform the next procedure Procedure 1 is used by the service technician and by the user Procedure 2 is used by the service technician only W 1 Press the BASIC button on the Control Panel Press the ZOOM button Specify an original size and a copy size When a non standard sized original is copied an area outside the original or the original cover may also be scanned This may prevent the original size from being accurately detected If the original size is specified in the reduction and enlargement copying function beforehand the area outside the original will no longer be scanned As a result the original size will be accurately detected Also clean
62. and check the copy image quality If further image quality adjustments are still necessary the service technician must use the next procedure e STUDIO281c 351c 451c 2 11 2 Copier specific Adjustments M 4 Enter adjustment mode 05 Change the values for codes 1780 1785 1790 1795 or 1783 1788 1793 1798 to adjust the color density east umes fence vano econmenaea eran et adjusted value range Yellow M ia ie Set a value larger than 128 Cyan Black Set the value in increments of approximately 10 while checking the copy image until the optimum value is obtained The subcode varies according to the area for which the density is adjusted Refer to the table below and set the subcode for the area to be adjusted Area for the density to be adjusted Low density area Medium density area High density area Q Cautions after the completion of the adjustment The adjustment may possibly cause a dark colored area such as in a photo to become blurred on the copy Also it may also cause offset failure grained images and degradation in gradation Therefore carefully perform the adjustment while checking the copy image 2 11 e STUDIO281 351c 451c Before the adjustment E Hanc ego cum tene sententiam Adipiscing consecterur sed diam Auam multa vitigse and nan distriv t indical on ingenion Sumde enim bon et malute puew uira Monnumy jusmod tempor inciunt ut labore et dolore magn
63. are printed hundreds of copies or more per day and the image quality needs to be constantly maintained Change the value for code 08 572 to 1 to 9 Value x 100 sheets to reduce the accumulated number of sheets printed It will determine the interval until the next image quality control is performed After a copy or print job is completed if the accumulated number of sheets printed exceeds the specified value image quality control will be performed Value for 08 572 Accumulated number of sheets printed until image quality control is performed 100 to 900 sheets 1 000 sheets default Use code 08 567 to define in which mode image quality control is performed when the accumulated number of sheets printed exceeds the specified value Mode 2 is selected by default It is intended to increase the interval during which image quality control is performed and maintain the image quality with high accuracy Therefore never change the value for this code unless otherwise required lid Invalid Oo 0 Valid Mode 1 Valid Mode 2 default e After changing the value for code 08 572 forcibly perform image quality control as follows Enter adjustment mode 05 Select code 395 Press the START button After performing the adjustment print and check the image quality If further image quality adjustments are still necessary use the next procedure 1 4 e STUDIO281c 351c 451c 1 General Adjustments Copying Pri
64. aximum It is performed before or after a copy or print job is performed This may possibly cause loss in the life of consumables Pay special attention to these factors and perform the adjustment while checking the image quality LJ Remarks e Enter the value mentioned in the procedures or one within the recommended value range for the adjustment Otherwise it may cause a loss in copier performance including slowdown in the copying or printing speed When replacing any consumable refer to the relevant information in the Service Manual and Service Handbook e STUDIO281 351c 451c 4 4 1 General Adjustments Copying Printing and e Filing Output from Box 1 5 To Correct Out of Register Colors Before the adjustment After the adjustment Paper feeding direction gt Paper feeding direction gt The text and background are misaligned or out Text is aligned with the background and a clear of register copy print image is obtained Explanation Colors of text or a thin line are sometimes printed out of register Perform color registration control in order to print or copy without out of register colors The e STUDIO281c 351c 451c provides more accurate color registration control than the e STUDIO3511 4511 conventional models e STUDIO3511 4511 Only A3 LD sized paper can be corrected a and b as illustrated below The value set for A3 LD sized paper will be automatically applied to th
65. chnician only Procedures 2 and 3 are used by the service technician and by the user M 1 Make sure that the color of the solid filled logo is not printed out of register If it is perform color registration control For further information regarding the adjustment procedures refer to 1 5 To Correct Out of register Colors or the Service Manual After correcting out of register colors copy and check the copy image quality If further image quality adjustments are still necessary use the next procedure Wf 2 Perform the color balance adjustment to enhance black e Use steps a through d to perform the adjustment a Press the IMAGE button on the Control Panel b Press the COLOR BALANCE button c Press the button to enhance the tint of BLACK d Press the ENTER button After adjusting the tint of black copy and check the copy image quality With the tint of black set to the maximum if further image quality adjustments are still necessary use the next procedure li 3 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 Moir After selecting Text mode copy and check the copy image quality If further image quality adjustments are still necessary the service technician must use the next procedure e STUDIO281c 351c 451c 2 11 2
66. ckground peak of range correction to lighten the copy image e Use steps a to b to adjust the background peak of range correction a Enter adjustment mode 05 Change the values for codes 570 to 572 or 693 to 695 to set the background peak of range correction to fixed e 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 Adjust the value for the 05 code corresponding to the condition for which you would like to improve the image quality and set 1 in one or ten place Set value Ex To set the background text peak in manual and auto copy density mode to fixed l One place Set the background text peak in auto copy density mode to fixed See the table below for further information Ten place Set the background text peak in manual copy density mode to fixed See the table below for further information Background peak Text peak To scan an original manually placed on the original glass Original 05 code Copy density Value recommended Defaut ssi mode mode ce APs ia a 7 a wan To scan an original fed from the RADF Original 05 code Copy density Value recommended Defaut mode mode Manual ene eee 2 2 a oan a ee 2 7 e STUDIO281c 351c 451c 2 Copier specific Adjustments b Enter adjustment mode 05 Increase the values for codes 532 to 534 to adjust
67. commended OTN OE adjusted value range ie Magenta Set a value larger than 128 to increase the density 0 to 255 128 Text Photo 05 1794 0 1 2 7 05 1795 0 1 2 Black __Text Photo 05 1789 0 1 2 Set a value smaller than 128 05 1790 0 1 2 to decrease the density cyan Set the value in increments of approximately 10 while checking the copy image until the optimum value is obtained Changing the values for the codes corresponding to Text Photo mode will affect the copy image quality in Full color mode and Auto color mode The subcode varies according to the area for which the density is adjusted Refer to the table below and set the subcode for the area to be adjusted Area for the density to be adjusted Low density area Medium density area High density area Q Cautions after the completion of the adjustment The adjustment may possibly cause offset failure particularly when the highly colored original is copied in Photo mode Therefore carefully perform the adjustment while checking the copy image LJ Remarks Enter the value within the recommended value range mentioned in the procedures Otherwise it may cause a loss in copier performance including degradation in the image quality and reduction in the life of the consumables e STUDIO281 351c 451c 24 2 Copier specific Adjustments 2 5 To Make the Pale Area of the Original Look Darker and Sharper To improve the highlig
68. consecterur sed diam Auam multa vitiose and non distriv et indicat on ingenion Sumde enim bon et malute puew utra Monnumy ejusmod tempor inciunt ut labore et dolore magna aliquam erat volupat TOSHIBA TOSHIBA Activities for the Family Your Kids Rate their Favorites Activities for the Family Your Kids Rate their Favorites water beach Activities siqhtsering shopping i 8 Camia Arade Games Educational Activities Pesults based oma survey of Taihwind Premier Kids When the light print image is copied text looks The graphic image and text look darker and blurred sharper Explanation Perform an adjustment regarding the image processing in order to obtain a sharp and dark copy image when copying an original containing light text and graphic images Q Procedures The procedure to use varies depending on whether to adjust the copy image quality in Black mode Full color mode or Auto color mode Refer to the procedure corresponding to a user s request e STUDIO281 351 c 451 c 2 Copier specific Adjustments 2 1 1 To Adjust the Copy Image Quality in 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 effectiveness of the adjustment restore the settings made in the previously used procedure to the or
69. cted from among the Color options on the printer driver Open the property page of the printer driver Change the Image Quality Type setting in the Image Quality tab TOSHIBA e STUDIO451cSeriesPCL5c Properties Setup Print Job Layout Effect Image Quality About f Photograph Presentation C Line Art H alftone E i Brightness Graphics Text Saturation Frofile None l Save s Distinguish Thin Lines iM Pure Gray Restore Default lila ae Use Black for All Texts Cancel Help e STUDIO281 351c 451c 3 2 3 2 3 Printer specific Adjustments For Macintosh Mac This adjustment will be effective only if Color is selected from among the Color Resolution Type options on the printer driver Open the print dialog box Change the Color Resolution Type setting The menu to be selected varies according to the operating system Refer to the table below and select the menu Quality gt Color Resolution Type Printer Features gt Feature Sets Quality gt Color Resolution Type e Select the desired combination of color Color or Mono resolution halftone and type from among the Color Resolution Type options Printer e STUDIO4S le KA Presets Standard HH B Printer Features HH Mono Low res Auto Mono Low res Detail Mono Low res Smooth Color Resolution Type RAS elm Mee EN Color Low res Photo Color Low res Presentation Pure Black and Gray
70. d Halftone options For instance if the values for 05 code for PCL 600 x 600 and Smooth are changed they will be applied to printing performed with PCL5c 600 x 600 Halftone Smooth or Auto selected Carefully perform the adjustment being aware that the image quality of all future printouts will be changed when printing out originals other than the one that is used for the adjustment e STUDIO281c 351c 4510 3 43 3 13 3 Printer specific Adjustments Q Cautions after the completion of the adjustment The adjustment may possibly change the hue of the text and image such as a photo image on the printout Therefore carefully perform the adjustment while checking the printout LJ 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 100 black indicates the following values e RGB data RGB 0 e CMYK data CMY 0 K 100 As a result text which should be defined as 100 black on the application is not defined as 100 black on the saved PDF file A few percent of color data is defined Eventually all toner colors C M Y and K will be used to print it If printing is performed with PCL5Sc print data is captured as RGB data If black text is defined as 100 black CMY 0 K 100 for CMYK data on a PDF file it will not be converted into 100 black RGB 0 for RGB data on Acrobat and it will be printed i
71. d based on a particular type of original other types of original may not be correctly detected Therefore carefully perform the adjustment while checking whether any type of original is correctly detected e STUDIO281c 351c 451c 2 45 2 Copier specific Adjustments 2 16 To Clearly Copy Text To adjust the density of text Before the adjustment After the adjustment Environmental Management Introduction Introduction Since the earth s enironment mmankind s lik support system i Since the Earth s environment is humankind s life support system is clated with it are intimately mynlved with the very inek sues assockated with it are intimately involved with the very founda ence Given that natural resources are finite he ori ard mass production mass empered by adherence operations Toshiba has embraced absorb waste are limited Mindful of our formed by the knowledge that our planet c absorb waste are liminedlf Minar our resp ations we are making a conferted corporate wide effort to utilize resources with the utmost cfig ney As an enterprise committed to sustainable development Te a b resolved to rase consciousess as well as to innovate technolog Text is faint or smudged on the copy Text is darkened and sharply copied LJ Explanation Adjust the copy density of text in order to sharply copy light colored thin text or lighten highly colored text This adjustment will be effective only when Text Photo or Text
72. e corrected simultaneously After performing the automatic calibration copy and check the copy image quality If further image quality adjustments are still necessary use the next procedure e STUDIO281 351c 451c 29 2 Copier specific Adjustments II 3 Perform the color balance adjustment or RGB adjustment to adjust the hue in general e 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 c Press the button to enhance the tint of the color or the button to decrease it d Press the ENTER button After adjusting the hue copy and check the copy image quality If further image quality adjustments are still necessary use the next procedure M WZ 4 Enter adjustment mode 05 Change the values for codes 1779 to 1798 to adjust the color density SOO jo e Original mode 05 code Subcode Value recommended OLA NEN adjusted value range ale Magenta mH Set a value larger than 128 to increase the density 0 to 255 128 Text Photo 05 1794 0 1 2 g 05 1795 0 1 2 Black TextPhoto 05 1789 0 1 2 Set a value smaller than 128 05 1790 0 1 2 to decrease the density cyan Set the value in increments of approximately 10 while
73. e is available in the Quality menu on the Macintosh printer driver a Enter adjustment mode 05 Change the values for codes 1055 to 1058 to adjust the upper limit of the image density in toner save mode Printing on Macintosh is performed in PostScript See the PS3 row in the table below The resolution option on the Macintosh printer driver is Low res 600 x 600 or High res 1200 x 600 05 code Value recommended ACTOS ENE Default value range 600 x 600 05 1057 PCL5c Set a value smaller than 176 to 1200x600 05 1058 x600 05 1058 decrease the density 0 to 255 176 600 x 600 05 1055 Set a value larger than 176 to increase the density 1200 x 600 05 1056 Set the value in increments of approximately 10 while checking the printout until the optimum value is obtained To adjust the image quality in black and white printin Mono is selected from among the Color options on the PCL5c or PS3 printer driver Mono is selected from among the Color Resolution Type options on the Macintosh printer driver The Color options are available in the Setup tab on the PCL5c and PS3 printer drivers The Color Resolution Type is available in the Quality menu on the Macintosh printer driver The PCL6 printer driver supports only black and white printing Therefore the Color option is not available a Enter adjustment mode 05 Increase the value for code 664 or 665 Increase
74. e obtain the items you may not have on hand and then neighbors You will feel better knowing you have the supplies and strategy you need to Simulate Ink Black Simulate Paper White deal with an emergency Bookmarks E Signatures Ink Manager Things to have for an emergency You may be on your own for a minimum AA MER Done EA C Preview Color Warnings other emergency Police fire and paramedics may be unable to respond to every need Be prepared to Manage without their assistance m Separations Electricity water telephone and natural gas EUSTACE service may be dismpted Utilities may be Nee aia Ge ea acre i bd i Red TEI Green 4 Water GJE Blue At least 2 gallons of water per person per day for the time you plan for Replace stored water every 6 months Secure water heater with plumber strapping Liquids from canned food ice and toilet reservoirs will be safe Food Keep at least a l week supply of food on hand and rotate it into your regular pantry every 6 months Store foods with high nutritional value that are easily prepared Remember special dietary needs and keep pets in mind too First Ald It is vital that you know basic first aid Medical facilities may be overwhelmed and possibly _ Total Area Coverage a Ho difficult to reach Take a Red Cross first aid Show All w Fe Attachments Comments id e STUDIO281c 351c 451c 3 43 4 1 4 e Filing specific Adjust
75. e A4 LT sized paper e STUDIO281c 351c 451c A3 LD sized paper A and B as illustrated below and A4 LT sized paper C to F as illusted below can be individually corrected e STUDIO3511 4511 e STUDIO281c 351c 451c 1 page 2 3 1 page 2 3 A3 LD A4 LT 1 page 2 3 4 5 6 1 page 2 3 4 5 6 Pages where the value is automatically applied 1 5 e STUDIO281 351 c 451 c 1 General Adjustments Copying Printing and e Filing Output from Box LJ Procedure The service technician must perform the adjustment in accordance with the procedure below 1 Make sure that no out of register colors are recognized on an original 2 Check a direction in which colors are misaligned This adjustment is intended to correct the print start timing of the toner colors in the secondary scanning direction in order to align the print positions of 3 toner colors K C and Y with magenta M Therefore it will be effective only if colors are misaligned in the paper feeding direction or the secondary scanning direction If colors are misaligned in the direction perpendicular to the paper feeding direction or the primary scanning direction refer to lt Hint gt below lt Hint gt If colors are misaligned in the direction perpendicular to the paper feeding direction enter test mode 03 and rotate the transfer belt for 5 minutes The main motor drives the transfer belt Use 03 101 to rotate th
76. e Sets Quality gt Color Resolution Type e Select the desired combination of color Color or Mono resolution halftone and type from among the Color Resolution Type options In this adjustment select the combination which includes the Line Art option Color Low res LineArt or Color High res LineArt Printer e STUDIO45 1c HH Presets 4 Stan Mono Low res Auto print Mono Low res Detail L Mono Low res Smooth Fea Color Low res General Color Low res Photo Color Low res Presentation i Color Low res LineArt P Color High res General Color High res Photo 2 Black Over Print Color High res Presentation Color High res LineArt M Smoothing Toner Save Pure Black and Gray Preview Save As PDF Fax k Cancel After changing the printer driver settings print and check the print image quality If further image quality adjustments are still necessary the service technician must use the next procedure 3 7 e STUDIO281c 351c 451c 3 Printer specific Adjustments PcL5c PCL6 _PS3 ELED E TI 2 Change the value for an appropriate code in adjustment mode 05 to adjust the color balance or gamma curve balance The 05 code to use varies depending on whether to adjust the image quality in full color printing or black and white printing Use either of the procedures below appropriate to a type of original to print To adjust the image quality in full color
77. e is obtained The brighter print image is obtained LJ Explanation The brightness of the print image can be easily adjusted by changing the Brightness setting on the printer driver This adjustment will have an effect only on printing on the PCL5c emulation printer driver This adjustment cannot be performed on the Macintosh printer driver e STUDIO281 351 c 451 c 3 Printer specific Adjustments LJ Procedure The adjustment is performed by the service technician and by the user 1 Open the property page of the printer driver Adjust Brightness in the Image Quality tab e Select the desired value for brightness within a range between 100 Darkest and 100 Lightest TOSHIBA e STUDIO451cSeriesPCL5c Properties Setup Frint Job Layout Effect Image Quality About E f General C Photograph Presentation C Line Art Halftone Auto Leth Graphics Text Saturation Frofile None gt Save As Distinguish Thin Lines W Pure Gray Restore Default Restore Defauits ah Black for Al Tents L Cautions after the completion of the adjustment Remember that the brightness change will affect all the Image Quality Type options or black and white printing Mono in selected from among the Color options in PCL5 For instance if the brightness is changed with General selected it will be maintained even when it is switched to another Image Qualit
78. e main motor or 03 151 to stop it After that check the copy or print image Ifthe colors still misaligned replace the transfer belt or transfer belt unit For further information regarding how to use test mode 03 and transfer belt replacement procedures refer to the Service Manual and Service Handbook 3 Correct out of register colors in the secondary scanning direction Two types of the color registration control procedures are provided one type for A4 LT sized paper and the test print pattern varies according to the procedures Either of the patterns is available to correct out of register colors Therefore print out whichever one is easier to use Procedure 05 code Test print pattern Printing Paper No of copies Referred image size to be printed to 05 63 Test print pattern 63 addi A3 LD 05 68 Test print pattern 68 A4 LT 05 64 Test print pattern 64 A3 LD Use steps in order as listed below If you start with other than step 1 use subsequent steps to the primary one e g If you start with step 2 subsequently use steps 3 4 5 and 6 in order corrected o 1 647 A3 LD 1st page A 2 05 418 ideale ale A3 LD 2nd page 3 05 953 AA LT 1st page 05954 procedure 1 AAILT 2nd page gt 05 955 AALT 3rd page e T osos AALT 4th page The alphabet in Remarks in the table above indicates a page to be printed as illustrated in LJ Explanation in the previous page
79. e original Then perform the next procedure Procedure 1 is used by the service technician and by the user Procedure 2 is used by the service technician only M EW 2 When scanning the original press the EDIT button on the Control Panel Press the BACKGROUND 5 2 ADJUSTMENT button Press the button to decrease the background density After decreasing the background density scan the original and check the scanned in image quality With the background density set to the minimum if further image quality adjustments are still necessary the service technician must use the next procedure e STUDIO281 351c 451 c 5 Scanning specific Adjustments OT WE YW 2 Enter adjustment mode 05 Change the values for codes 1070 to 1072 or 848 to decrease the background density e The code to use varies according to color mode Full color mode or Gray scale mode Adjust the value for the 05 code corresponding to color mode for which you would like to improve the image quality Color mode Original mode 05 code Value recommended Acceptable Default value range 05 1070 Full color 05 1071 Set a value larger than 0 0 to 50 05 1072 Grayscale 05 848 Seta value smaller than 128 0to255 128 Set the value as follows while checking the scanned in image until the optimum value is obtained e Adjustment in Full color mode Set the value in increments of approximately 10 e Adjus
80. e the sharpness intensity e Only the Text Photo mode option is available in Auto color mode Set a value larger than 16 for code 05 1757 Text Photo 05 1757 Set a value larger than 16 Setting 1 provides the softest image while setting 31 provides the sharpest image The default value Original mode 05 code Value recommended _ Acceptable value range Default 0 0 provides an image as sharp as the one provided by setting 16 Changing the value for these codes will change the sharpness intensity when the Sharpness indicator in the IMAGE menu is set to the center Remember that 1 step of the indicator will increase or decrease the sharpness intensity by 3 If the sharpness intensity of the center value is changed each step of the indicator will be changed accordingly For instance 1f the center value is increased by 5 sharper the value of each step of the indicator will also be increased by 5 sharper e STUDIO281c 351c 451c 2 Copier specific Adjustments Q Cautions after the completion of the adjustment The adjustment may possibly cause an increase in the amount of toner used moir blurred text small dark text blurred diminished photo images or gradational images less accurate reproduction of halftones Therefore carefully perform the adjustment while checking the copy image LJ Remarks Enter the value within the recommended value range mentioned in the procedures Otherwise it may
81. e value in increment of 1 while checking the copy image until the optimum value is obtained Q Cautions after the completion of the adjustment The adjustment may possibly cause degradation in the image quality For instance if the density of text is increased noise may possibly occur around the text on the copy If the density 1s decreased the text may look faint Therefore carefully perform the adjustment while checking the copy image e STUDIO281c 351c 451c 2 16 2 Copier specific Adjustments 2 17 To Adjust the Twin Color Copy Image Quality To adjust the image quality in red and black mode Before the adjustment After the adjustment Ursa Major Operations Conglomerate Corp Ursa Major Operations Conglomerate Corp Substance f Toe number Substance name ostan gees Ee Zinc water soluble compounds 16 _ 2 aminoethanol 43 Ethylene glycol 63__ Xylene 69 Chromium Vl compounds 227 Towene 230 Lead andits compounds Lead and its compounds 243 Barium and its water soluble compounds 283 Hydrogen fluoride and its water soluble salts 304 Boron and its compounds 304 Boron and its compounds 346 Molybdenum and its compounds 346 Molybdenum and its compounds Substance name When a copy is made in red and black A blend of undesired colors in the black area 1s mode for twin color copy red is blended in reduced a part of the black area LJ Explanation When a copy is made in r
82. ed and black mode for twin color copy red may be blended in the black area or look different from what the user desires Adjust the reproducibility or tint of black in red and black mode in order to reduce a blend of undesired colors in the black area or adjust the tint of red This adjustment will be affective only if you make a copy in red and black mode for twin color copy This does not affect twin color selectable mode Q Procedure The procedure to use varies depending on whether to adjust the reproducibility of black or tint of red in red and black mode Refer to the procedure corresponding to a user s request 2 17 e STUDIO281 351 c 451 c 2 Copier specific Adjustments 2 17 1 To Adjust the Reproducibility of Black in Red and Black Mode The adjustment is performed by the service technician only i 1 Enter adjustment mode 05 Set 1 for code 1761 to change the setting which is intended to improve the reproducibility of black areas If you are making a copy in red and black mode for twin color copy red may be blended in the black area Change the value for this code A blend of red in the black area is reduced on the copy Value for 05 1761 Reproducibility of black in red and black mode for twin color copy Default Intended to improve the reproducibility of black LJ Cautions after the completion of the adjustment Setting 1 for code 05 1761 may not provide a clear boundary between red and black
83. en the original is stored by Copy to Box it The original is stored as RGB data by Scan to will be converted into RGB data while being Box This can avoid unnecessary data downloaded to a PC This may diminish the conversion As a result the image quality can image quality be maintained 4 8 e STUDIO281 351 451c 4 e Filing specific Adjustments LJ Explanation Initially the full color original 1s 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 File Downloader or the TWAIN driver it is converted into RGB data or optimized for displaying on the computer monitor Depending on the type of original this CMYK to RGB conversion may cause out of register colors or graininess on the printout If the image is displayed on the monitor and further edited on the PC the image quality may be diminished To store the full color original and display it on the computer monitor while minimizing image degradation scan and store it in the e Filing box Scan to Box This allows it to be stored as RGB data Please remember that the e Filing functions are available only on the Windows platform but not on the Macintosh or UNIX platform LJ Procedure The adjustment is performed by the service technician and by the user This adjustment will have an effect only on the image stored in Full color mode ME 1 Scan the full color ima
84. ent print out several copies of the test print pattern to identify a pattern for the out of register colors direction and amount Then perform the adjustment most suitable for it e STUDIO281 351 c 451 c 1 General Adjustments Copying Printing and e Filing Output from Box LJ Cautions after the completion of the adjustment Nothing in particular LJ Remarks e Out of register colors may possibly occur after replacing the consumables such as the drum drum cleaning blade and transfer belt cleaning blade or parts such as the transfer belt 1st transfer roller transfer belt drive roller and transfer belt cleaning blade pressure spring during the preventive maintenance PM In this case use the above procedures to correct them e Out of register colors cannot be perfectly corrected depending on the type of text or lines to print e Also refer to the relevant information in the Service Manual and Service Handbook for further information regarding the color registration control procedures e STUDIO281 351c 451c 1 5 2 Copier specific Adjustments 2 1 To Sharply Copy Light Text or Thin Lines To darken handwritten text or thin lines in the graphic image Before the adjustment After the adjustment has pees The occurrence of errors has been JOON Increasing gradually every year Duis aute ikure repreheo nderit volupate 93 94 95 96 97 98 99 93 94 95 96 97 98 99 E Hanc ego cum tene sententiam Adipiscing
85. ent may possibly cause moir In addition when text and thin lines in a light colored background are scanned the background around the text or line may be eliminated Therefore carefully perform the adjustment while checking the scanned in image e STUDIO281 c 351 c 451 c 5 5 5 Scanning specific Adjustments 5 6 To Scan the Original while Enhancing Black Before the adjustment o TOSHIBA COLOR CHART Ho TOC TH F A m 2 Ta righ Hih BEES T BEETH TTE BETE TOSHIBA r Senn BEEE BEDDEN TU PERE ann a i P g Fe We ia i z After the adjustment F TOSHIBA COLOR CHART Ho TCC 1 TH OF AEI to TE E TOSHA COLOR CHART Hoa Tee TH F FS Black is not dark enough compared to the Black is enhanced and closely matched with original L Explanation the original hue 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 This adjustment will have an effect only on the image scanned in Full color mode including Auto color mode 5 6 e STUDIO281 351 c 451 c 5 Scanning specific Adjustments LJ Procedure The adjustment is performed by the service technician only GW 1 Enter adjustment mode 05 Change the val
86. er But if this changes the image quality more than required or loses effectiveness of the adjustment restore the settings made in the previously used procedure to the original Then perform the next procedure All the adjustments are performed by the service technician and by the user M WE A C When scanning the original press the EDIT button on the Control Panel Select LOW from among the 5 1 JPEG COMPRESS options In the JPEG COMPRESS option MID is selected by default After changing the compression rate scan the original and check the scanned in image quality If further adjustment is required use procedure 2 e STUDIO281c 351c 451c 5 Scanning specific Adjustments OT I 2 When scanning the original press the EDIT button on the Control Panel In the RESOLUTION option select a higher resolution In the RESOLUTION option 200 dpi is selected by default If noise occurs in a resolution of 200 dpi select a higher resolution 300 dpi 400 dpi or 600 dpi After changing the resolution scan the original and check the scanned in image quality If further adjustments are required use procedure 1 Q Cautions after the completion of the adjustment e The adjustment of the JPEG compression rate or resolution may possibly increase the size of the file to be stored Therefore carefully perform the adjustment while checking the scanned in image quality The table below shows you the correlation b
87. er specific Adjustments BY YW 3 Enter adjustment mode 05 Change the values for codes 604 to 606 1737 to 1741 and 1757 to adjust the sharpness intensity Increasing the sharpness intensity will enhance the edges of the image Color mode mode Color mode Original mode 05 code Value recommended Acceptable Default value range Text Photo 05 604 Black 05 605 Set a value larger than 16 0 to 31 05 606 Full color Set a value larger than 16 0 to 31 05 1741 Text Photo 05 1757 Seta value larger than 16 Oto31 0 Setting 1 provides the softest image while setting 31 provides the sharpest image The default value 0 provides an image as sharp as the one provided by setting 16 Changing the values for these codes will change the sharpness intensity when the Sharpness indicator in the IMAGE menu is set to the center Remember that 1 step of the indicator will increase or decrease the sharpness intensity by 3 If the sharpness intensity of the center value is changed each step of the indicator will be changed accordingly For instance if the center value is increased by 5 sharper the value of each step of the indicator will also be increased by 5 sharper lt Note gt Sharpening the copy image and Minimizing moir are mutually contradictory When an adjustment is performed to sharpen the copy image moir may occur Q Cautions after the completion of the adjustment Nothing in
88. es the image quality more than required or loses effectiveness of the adjustment restore the settings made in the previously used procedure to the original Then perform the next procedure Procedure 1 is used by the service technician and by the user Procedures 2 and 3 are used by the service technician only M 1 Perform the color balance adjustment or RGB adjustment to adjust the hue in general For further information regarding the adjustment procedures refer to procedure 3 in 2 2 To Closely Match with the Color Balance of the Original After adjusting the hue copy and check the copy image quality If further image quality adjustments are still necessary the service technician must use the next procedure e STUDIO281c 351c 451c 2 12 2 Copier specific Adjustments Mi 2 Enter adjustment mode 05 Change the values for codes 1769 to 1772 to assign the highlighter specific mode function for a button in the ONE TOUCH ADJUSTMENT option First request the user to select a button VIVID CLEAR WARM or COLD to assign the highlighter specific mode function for Button to assign the highlighter 05 code Mode to assign Acceptable specific mode function for value range WARM 05 1771 Seer COLD 05 1772 Two types of highlighter specific modes are available MARKER 1 is intended to sharply contrast VIVID 05 1769 0 Default CLEAR 05 1770 1 MARKER 1 0 to 2 between yellow and
89. ess the FAX button e Print out any of the following test print patterns in the table below Paper No of copies 05 code Test print pattern to be p inted 05 69 Grid pattern for identifying out of register colors A4 LT 05 68 Test print pattern 68 ladder pattern A4 LT Use code 05 69 The grid pattern will be printed on the entire copy with all toner colors C M Y and K overlaid Check the printed grid pattern or whether the toner colors are accurately overlaid to discover out of register colors on the entire copy Jot down a page number and paper feeding direction on the printed test print pattern beforehand This facilitates identifying out of register colors in the subsequent adjustment Refer to procedure 2 of 1 5 1 Color Registration Control Procedures 1 To Correct Out of register colors on A3 LD sized Paper with Test Print Pattern 63 05 63 for further information regarding the test print pattern sample and adjustment procedures M I 2 Enter adjustment mode 05 Change the values for codes 953 to 956 to correct out of register colors e Align 3 toner colors Y C and K with magenta M First change the value for code 05 953 and correct out of register colors on the first page of the test print pattern Next print out the 4 copies of test print pattern again Change the value for code 05 954 and correct out of register colors on the second page Similarly print out the 4 copies of test pr
90. etween a resolution and file size The ratio of the file size may vary depending on the type of original Therefore use the table below just for your reference The file size in a resolution of 200 dpi is 1 200 dpi 300 dpi Approx x 2 400 dpi Approx x 4 600 dpi Approx x 10 e If the resolution selected in procedure 2 is too high moir may possibly occur in the scanned in image Therefore carefully adjust the resolution while checking the scanned in image LJ Remarks Use the following steps to change the default JPEG COMPRESS and RESOLUTION 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 d In the JPEG COMPRESS or RESOLUTION option press the desired button to change the default setting The default resolution can be selected on a color mode basis Full color mode including Auto color mode Gray scale mode and Black mode But remember that some of the resolution options cannot be selected as the default The resolution options available vary depending on whether the optional GC 1181 and GC 1230 expansion memories are installed or not e The following resolution options are available as the default e Full color mode including Auto color mode 300 200 150 100 dpi e Gray scale mode 400 300 200 150 100 dpi e Black mode 600 400 300 200 150 dpi e STUDIO281 3
91. f range correction and lighten the copy image Increase the number of pixels to be identified as white by range correction e The code to use varies according to original mode Text Photo Photo or Text Adjust the value for the 05 code corresponding to original mode for which you would like to improve the image quality and increase the current value by 10 to 30 Original mode 05 code Value recommended Acceptable Default value range Text Photo 05 532 Current value 10 or more 05 533 Current value 10 or more 0 to 255 05 534 Current value 10 or more LJ Cautions after the completion of the adjustment The adjustment may possibly cause text handwritten with a pencil or light text to become illegible on the copy Therefore carefully perform the adjustment while checking the copy image LJ Remarks Enter the value within the recommended value range mentioned in the procedures Otherwise 1t may cause a loss in copier performance including degradation in the image quality e STUDIO281 351c 451 2 6 2 Copier specific Adjustments 2 6 2 To Adjust the Copy Image Quality in 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 effectiveness of the adjustment restore the settings made in the previously used procedure to
92. ffect on the image stored in the e Filing box by the scanning functions including Scan to Box Scan to File and Scan to E mail An adjustment having an effect on the image stored in the e Filing box by the copying functions Copy to Box An adjustment having an effect on the image stored in the e Filing box by the printing functions Print to Box An adjustment having an effect on the image stored in the e Filing box by the Fax and Internet Fax functions including Received Fax to Box and Received Internet Fax to Box Table of Contents 1 General Adjustments Copying Printing and e Filing Output from Box 1 1 1 2 1 3 1 4 1 5 To Obtain a Darker Image To Achieve the Image Quality Most Suitable for Paper Used 1 2 1 To Adjust the Blurred or Grained Image 1 2 2 To Adjust the Light Image at the Trailing Edge Splattering of Toner To Minimize Variations in the Image Quality after Power on To optimally program image quality control To Minimize Variations in the Image Quality under the Operating Conditions To optimally program image quality control To Correct Out of Register Colors 1 5 1 Color Registration Control Procedure 1 To Correct Out of register colors on A3 LD sized Paper with Test Print Pattern 63 05 63 1 5 2 Color Registration Control Procedure 1 To Correct Out of register colors on A4 LT sized Paper with Test Print Pattern 68 05 68 1 5 3 Color Registration Control Procedure 2 To Correct Out of regis
93. fic Adjustments M WZ 3 Enter adjustment mode 05 Change the values for codes 1779 to 1798 to adjust the color density Soor vole Original mode 05 code Subcode Value recommended MOLINE DE adjusted value range ie Magenta Set a value larger than 128 to increase the density 0 to 255 128 Text Photo 05 1794 0 1 22 7 05 1795 0 1 2 Black __Text Photo 05 1789 0 1 2 Set a value smaller than 128 05 1790 0 1 2 to decrease the density cyan Set the value in increments of approximately 10 while checking the copy image until the optimum value is obtained Changing the values for the codes corresponding to Text Photo mode will affect the copy image quality in Full color mode and Auto color mode The subcode varies according to the area for which the density is adjusted Refer to the table below and set the subcode for the area to be adjusted Area for the density to be adjusted Low density area Medium density area High density area LJ Cautions after the completion of the adjustment The adjustment may possibly vary the hues of areas including photo images and text other than those marked with highlighters Therefore carefully perform the adjustment while checking the copy image LJ Remarks Enter the value within the recommended value range mentioned in the procedures Otherwise 1t may cause a loss in copier performance including degradation in the image quality e ST
94. for 08 550 Default original mode at power on i 0 Text Photo default Photo Text Image smoothing e In Full color mode Value for 08 585 Default original mode at power on a 0 Text Photo default po Text Text Map After changing the default original mode option copy and check the copy image quality If further image quality adjustments are still necessary use the next procedure E T Ii y 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 e STUDIO281 351c 451 2 8 2 Copier specific Adjustments Bi YW GC Enter adjustment mode 05 Change the values for codes 604 to 606 1737 to 1741 and 1757 to adjust 2 8 the sharpness intensity Decreasing the sharpness intensity will minimize moir Color mode mode Color mode Original mode 05 code Value recommended Acceptable Default value range Text Photo 05 604 Black 05 605 Seta value smaller than 16 0 to 31 05 606 Full color 05 1739 Seta value smaller than 16 0 to 31 05 1741 Text Photo 05 1757 Seta value smaller than 16 Oto31 0 Setting 1 provides the softest image while setting 31 provides the s
95. g 1 provides the softest image while setting 31 provides the sharpest image The default value 0 provides an image as sharp as the one provided by setting 16 Changing the values for these codes will change the sharpness intensity when the Sharpness indicator in the IMAGE menu is set to the center Remember that 1 step of the indicator will increase or decrease the sharpness intensity by 3 If the sharpness intensity of the center value is changed each step of the indicator will be changed accordingly For instance if the center value is increased by 5 sharper the value of each step of the indicator will also be increased by 5 sharper After increasing the sharpness intensity copy and check the copy image quality If further image quality adjustments are still necessary use the next procedure e STUDIO281 351c 451c 2 41 2 Copier specific Adjustments E 4 Enter adjustment mode 05 Increase the value for code 648 to increase the copy density of text To improve faint smudged text or thin lines e Initially set a value larger than 180 for code 05 648 Copy and check the copy image quality Next finely adjust the value in accordance with the original density Up to 255 can be set for this code Original mode 05 code Value recommended Acceptable value range Default Text Photo 05 648 Approx 180 0 to 255 After increasing the copy density copy and check the copy image quality If furthe
96. ge and store it in the e Filing box For further information regarding how to store the image using the scanning functions refer to the Operator s Manual for Basic Function Q Cautions after the completion of the adjustment Nothing in particular LJ Remarks When storing the black and white original in Auto color mode copy and store it in the e Filing box Copy to Box rather than scan it in order to obtain the better image depending on the type of original For further information refer to 4 1 To Clearly Store the B W Image in Auto Color Mode e STUDIO281 c 351 c 451 c 4 8 4 e Filing specific Adjustments 4 9 To Finely Print Color Images Stored through the Scanning Function 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 Ex Printing image mode Photo Print Print Converted into Converted into print data print data Unless the printing image mode 1s selected When the printing image mode suitable for the printing may be performed with image stored data is selected the data can be printed processing not suitable for the stored data finely with optimal image processing 49 e STUDIO281 351 451c 4 e Filing specific Adjustments LJ Explanation When an image is stored in the e Filing box in the full color or auto color mode of
97. green or between pink and purple in similar hues because yellow and green are difficult to contrast in default mode MARKER 2 is intended to improve the overall vividness compared to MARKER 1 Select either of modes at a user s request Setting 0 for each code allows the adjustment to be performed in accordance with the name of the button For instance setting 0 for code 05 1769 is intended to provide more vivid copy images But once any value other than 0 is set for the codes the output will no longer be obtained in accordance with the name of the button When 1 or 2 is set for the codes the buttons in the ONE TOUCH ADJUSTMENT option will be renamed For instance provided that 1 is set for code 05 1769 to assign MARKER 1 for the VIVID button MARKER 1 will appear in place of VIVID in the ONE TOUCH ADJUSTMENT option e After assigning the highlighter specific mode function for the button use steps a to b and press the Highlighter specific mode button in the ONE TOUCH ADJUSTMENT option a Press the IMAGE button on the Control Panel Press the ONE TOUCH ADJUSTMENT button b Press the button where the highlighter specific mode function is assigned After selecting highlighter specific mode copy and check the copy image quality If further image quality adjustments are still necessary the service technician must use the next procedure 2 12 e STUDIO281 351 c 451 c 2 Copier speci
98. harpest image The default value 0 provides an image as sharp as the one provided by setting 16 Changing the values for these codes will change the sharpness intensity when the Sharpness indicator in the IMAGE menu is set to the center Remember that 1 step of the indicator will increase or decrease the sharpness intensity by 3 If the sharpness intensity of the center value is changed each step of the indicator will be changed accordingly For instance if the center value is increased by 5 sharper the value of each step of the indicator will also be increased by 5 sharper lt Note gt Minimizing moir and Sharpening the copy image are mutually contradictory When the adjustment is performed to minimize moir the resolution of the copy image may decrease e STUDIO281 351 c 451 c 2 Copier specific Adjustments LJ Cautions after the completion of the adjustment Nothing in particular LJ Remarks e Enter the value within the recommended value range mentioned in the procedures Otherwise it may cause a loss in copier performance including degradation in the image quality e Procedures 2 and 3 provide the same effect of the adjustment However procedure 3 allows more flexible adjustment e STUDIO281 351c 451 2 8 2 Copier specific Adjustments 2 9 To Copy Sharply To enhance sharpness Before the adjustment The image looks light and blurred on the copy The edges are enhanced a
99. he THRESHOLD option press d or to adjust the threshold value e If the threshold value is set to Q the original will be stored with the low density e If the threshold value is set to p the original will be stored with the high density Cautions after the completion of the adjustment All scanning functions are implemented with reference to the threshold changed above It will affect the quality of images stored in Auto color mode Therefore carefully perform the adjustment being aware that the image quality of all future images will be changed when storing originals other than the one that is used for the adjustment LJ Remarks If the adjustment does not result in the desired image it is recommended to scan the black and white original in Full color mode rather than in Auto color mode or copy it in Auto color mode and store it in the e Filing box Copy to Box rather than scan it This allows it to be stored in shades of gray rather than with binary data and eventually provides better halftones But remember that the data will increase in size compared to the one with binary data e STUDIO281 351c 451c 44 4 2 4 e Filing specific Adjustments 4 2 To Store the Original while Reducing the File Size Before the adjustment After the adjustment HIGH Vi i A TC x 4 l AMM MINANG TOSHIBA TOSHIBA When LOW is selected in the JPEG When HIGH is selected in the JPEG COMPRESS options
100. he e Filing box is The image stored in the e Filing box can be printed out moir is likely to occur printed out while moir is being minimized LJ Explanation An original is scanned and stored in the e Filing box Scan to Box When the image stored is printed directly from the e Filing box moir may occur depending on the type of original Also it is likely to occur particularly when the original is scanned in Full color mode or Auto color mode in a high resolution 600 dpi or even in Gray scale mode Select an appropriate scan resolution or adjust the sharpness intensity in the scanning functions in order to store the original and print it from the e Filing box while minimizing moire Q 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 effectiveness of the adjustment restore the settings made in the previously used procedure to the original Then perform the next procedure Procedures 1 and 2 are used by the service technician and by the user Procedure 3 is used by the service technician only e STUDIO281 351 c 451 c 4 e Filing specific Adjustments Wf 1 When scanning the original press the EDIT button on the Control Panel Select PRINTED IMAGE from among the original mode options This adjustmen
101. he template utilize the template or change the default JPEG compression rate Refer to To select the JPEG compression rate on a job by job basis in order to store an image at a high compression rate for a particular job Refer to To utilize the template in order to select an appropriate JPEG compression rate corresponding to the type of original to store and the purpose of the image stored Refer to To change the default JPEG compression rate in order to have HIGH selected from among the JPEG COMPRESS options by default To select the JPEG compression rate on a job by job basis without utilizing the template When scanning the original press the EDIT button on the Control Panel Select HIGH from among the JPEG COMPRESS options To utilize the template Recall the template where HIGH is selected from among the JPEG compression rate options and scan the original The user may want to select a compression rate depending on the type of original or purpose of the image stored In this case it is recommended to utilize the template Initially select the desired JPEG compression rate in the template and recall it as necessary This facilitates changing the compression rate on a job by job basis For further information regarding the template and its use refer to the Operator s Manual for Basic Function Network Operator s Guide and Network Administrator s Guide To change the default JPEG compression rate Use steps
102. how to scan an original Before performing this adjustment make sure that the copier and RADF are correctly adjusted Therefore perform all the necessary adjustments Only if further adjustment is still desired for the reproducibility of background perform this adjustment 2 18 e STUDIO281 351 c 451 c 2 Copier specific Adjustments LJ Procedure The adjustment is performed by the service technician only E UP C 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 05 code Value recommended Acceptable Default value range Set a value larger than 3 to increase the background density 0 to 4 Set a value smaller than 2 to decrease the Black 05 362 background density Set the value in increments of approximately 1 while checking the copy image until the optimum value is obtained The table below shows you the correlation between the value and image quality Reproductivity Advantage of image quality of background Default equivalent to the one obtained when an original placed on the original glass is scanned Lighter background is reproduced than the one obtained when 2 is sa Light Darker background is reproduced than the one obtained when the default value is set background is reproduced than the one obtained when 3 is Lighter background is reproduced than the one obta
103. ht reproducibility Before the adjustment After the adjustment The splashing area highlight 1s blurred A clear copy image of the splashing area is obtained LJ Explanation Perform the copy density adjustment and background adjustment in order to make the pale area highlight of the original look darker and sharper on the copy Q 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 effectiveness of the adjustment restore the settings made in the previously used procedure to the original Then perform the next procedure Procedures 1 and 3 are used by the service technician and by the user Procedures 2 and 4 are used by the service technician only Mf 1 Press the IMAGE button on the Control Panel Press the BACKGROUND ADJUSTMENT button Press the DARK button to darken the background After increasing the background density copy and check the copy image quality With the background density set to the maximum if further image quality adjustments are still necessary the service technician must use the next procedure 2 5 e STUDIO281 351 c 451 c 2 Copier specific Adjustments Mi 2 Enter adjustment mode 05 Change the values for codes 1688 to 1692 and 1698 to 1702 to adjust the background dens
104. hue 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 Q 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 effectiveness of the adjustment restore the settings made in the previously used procedure to the original Then perform the next procedure Procedures 1 and 4 are used by the service technician only Procedures 2 and 3 are used by the service technician and by the user EU 7 1 Enter adjustment mode 05 Select code 395 Press the START button e Image quality control will be forcibly performed to correct the color balance and copy density After exercising image quality control copy and check the copy image quality If further image quality adjustments are still necessary use the next procedure EW 2 Perform the automatic calibration to correct variations in the copy density For further information regarding the adjustment procedures refer to procedure 2 in 2 2 To Closely Match with the Color Balance of the Original ADMIN is selected from among the CALIBRATION DISPLAY LEVEL options by default In other words an administrator is authorized to operate the automatic calibration But the U
105. ide the maximum color saturation within the range of colors reproducible in printing In general colors which can be reproduced vary depending on whether they are reproduced on the printout or on the monitor or depending on whether they are reproduced in ink or with the light Consequently the color balance on the printout cannot be perfectly matched with the one on the monitor Change the Image Quality Type setting in order to closely match the color balance on the printout with the one on the monitor at a user s request This adjustment will be effective in closely matching the color balance on the printout with the one on the monitor if the sRGB is selected as a color space Therefore remember that it may not be matched with the color balance on the monitor which does not support sRGB or if a color space other than sRGB is selected e STUDIO281 351c 451c 3 3 3 Printer specific Adjustments LJ Procedure The adjustment is performed by the service technician and by the user ME 1 Select Photograph from among the Image Quality Type options This adjustment will be effective only if print out a file created on a general application such as Microsoft Office in PostScript PS3 or Macintosh Please be careful that it may not be effective if you print out a file created on a graphic application e g Illustrator or a DTP application e g QuarkXPress or PDF file created on these applications using the tone
106. iginal Then perform the next procedure Procedures 1 2 and 5 are used by the service technician and by the user Procedures 3 4 6 and 7 are used by the service technician only Hi Ei E 3 Press the BASIC button on the Control Panel Press the button to increase the copy density After increasing the copy density copy and check the copy image quality With the copy density set to the maximum if further image quality adjustments are still necessary use the next procedure Press the IMAGE button on the Control Panel Press the SHARPNESS button Press the SHARP button to increase the sharpness intensity After increasing the sharpness intensity copy and check the copy image quality With the sharpness intensity set to the maximum if further image quality adjustments are still necessary the service technician must use the next procedure Enter adjustment mode 05 Increase the values for codes 604 to 606 to increase the copy density of text or increase the sharpness intensity e The code to use varies according to original mode Text Photo Photo or Text Adjust the value for the 05 code corresponding to original mode for which you would like to improve the image quality and set a value larger than 16 for it Original mode 05 code Value recommended _ Acceptable value range Default Text Photo 05 604 05 605 Set a value larger than 16 0 to 31 05 606 Settin
107. iling Output from Box b Enter adjustment mode 05 Change the value for code 1822 to correct the transfer roller bias output in adjustment range B Specify an average factor in order to prevent the transfer roller bias arene from AETA rapidly changed between the center and trailing edge of the paper Value Acceptable Thick i tek 2 05 1822 4 75 to 100 0 to 100 92 Tieki 3 4 The value for code 05 1822 must be es than the one for code 05 293 if the same subcodes are used Example Value for subcode 0 of 05 1822 Value for subcode 0 of 05 293 The table below shows you the acceptable paper weight for the paper types Paper type Acceptable paper weight Plain paper 64 to 80 g m 17 to 20 Ib Bond Thick 1 81 to 105 g m Max 28 lb Bond Thick 2 106 to 163 g m Max 43 lb Bond 90 Ib Index Thick 3 164 to 209 g m Max 55 lb Bond 110 Ib Index lt Hint gt As the set value is decreased the transfer voltage at the trailing edge of the paper becomes low and eventually the image quality will vary If the transfer voltage is too high relative to the paper weight a transfer void will occur The density will be decreased To avoid this problem decrease the transfer voltage After performing the adjustment print and check the image quality If further image quality adjustments are still necessary use the next procedure e STUDIO2810 351c 451c 4 2 1 General Adjustments Copying Printing a
108. ill have an effect only on the image stored in Black mode E 1 Press the BASIC button on the Control Panel Select TEXT or TEXT PHOTO from among the original mode options Copying the original in Text mode may diminish the quality of photo images If there is a problem with the image stored in Text mode switch to Text Photo mode Use either of the following procedures to switch default original mode to Text mode or Text Photo mode To change default original mode on the Control Panel Use steps a to d to change default original mode a Press the USER FUNCTIONS button on the Control Panel to enter the User Functions menu b Press the USER button c Press the COPY button d In the ORIGINAL MODE FOR BLACK option press the desired button to specify default mode To change default original mode in setting mode 08 Enter setting mode 08 Change the value for code 550 The specified original mode option will be selected by default at power on Value for 08 550 Default original mode at power on Text Photo default Photo Photo Image smoothing After changing original mode store the original and check the image quality If further image quality adjustments are still necessary use the next procedure Copy to Box This adjustment will have an effect only on the image stored in Black mode E 2 Press the BASIC button on the Control Panel Press the button to increase the copy density
109. in black and white the colored text may turn gray on the printout and eventually become illegible In this case change the printer driver settings in order to reproduce the colored text except white text in black and make it more legible on the printout This adjustment will have an effect only on printing on the PCL5c PCL6 or PS3 emulation printer driver This adjustment cannot be performed on the Macintosh printer driver LJ Procedure The adjustment is performed by the service technician and by the user e STUDIO281 351 c 451 c 3 Printer specific Adjustments E 1 Open the property page of the printer driver Mark the Use Black for All Text checkbox in the Image Quality tab This adjustment will be effective only if print out a file created on a general application such as Microsoft Office in PostScript PS3 Please be careful that it may not be effective if you print out a file or PDF file created on a graphic application e g Illustrator or a DTP application e g QuarkXPress TOSHIBA e STUDIO451cSeriesPCL5c Properties Print Job l Layout N E Graphics Tet None Save As Restore Defaults Protile Effect Image Quality About Image Quality Type f General f Photograph C Presentation f Line Art Auto Halftone Brightness Saturation Distinguish Thin Lines W Pure Gray fx L Cautions after the completion of
110. ined After adjusting the background density copy and check the copy image quality If further image quality adjustments are still necessary use the next procedure E 3 Enter adjustment mode 05 Change the values for codes 590 to 592 to adjust the gamma curve balance of the low and medium density areas 05 code Value recommended ACER VEIT mode value range Text Photo 05 590 05 591 Set a value smaller than 128 0 to 255 05 592 Set the value in increments of approximately 20 while checking the copy image until the optimum value is obtained The subcode varies according to the area for which the density is adjusted Refer to the table below and set the subcode for the area to be adjusted The background density will vary if the low or medium density area is mainly adjusted Setting 2 for the subcode allows you to adjust the high density area But it will not affect the background density Therefore never change the values for the high density area Area for the density to be adjusted a Low density area Medium density area After adjusting the gamma curve balance copy and check the copy image quality If further image quality adjustments are still necessary use the next procedure e STUDIO281 351c 451c 2 6 2 Copier specific Adjustments E 4 Adjust the background peak of range correction to lighten the copy image e Use steps a to b to adjust the background peak of range correction
111. ined when the default value is set LJ Cautions after the completion of the adjustment Correctly adjusting the copier and RADF is a prerequisite to perform this adjustment Therefore perform all the necessary adjustments Only if further adjustment is still desired for the reproducibility of background perform this adjustment e STUDIO281c 351c 451c 2 48 3 1 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 LJ 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 printout The automatic calibration is the basic adjustment to accurately reproduce colors on the printout When you would like to accurately reproduce the desired hue or when you have replaced the consumables and changed the operating conditions perform the automatic calibration to ensure the color reproducibility Q Procedures Perform the adjustment in accordance with the procedures below Procedure 1 is used by the service technician only Procedure 2 is used by the service technician and by the user e STUDIO281 c 351 c 451 c 3 Printer specific
112. int M Smoothing Toner Save M Preview Save As PDF Fax Cancel 34 e STUDIO281c 351c 451c 3 Printer specific Adjustments LJ Cautions after the completion of the adjustment e The adjustment performed in accordance with procedure 1 will allow gray areas to always be reproduced using all toner colors C M Y and K As a result undesired colors may look blended depending on the image to print out Therefore carefully perform the adjustment while checking the printout e The adjustment performed in accordance with procedure 2 will allow gray areas to always be reproduced using only the K toner As a result photos may look more grained The hue of any color other than black is the same as the one when Presentation is selected from among the Color Resolution Type options Therefore carefully perform the adjustment while checking the printout If Line Art is selected from among the Image Quality Type options and Auto is selected from among the Halftone options unlike the other Quality Type options Detail 1s selected automatically Therefore select Smooth manually from among the Halftone options e STUDIO281 c 351 c 451 c 3 4 3 9 3 Printer specific Adjustments 3 5 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 The darker print imag
113. int pattern at each time of correction Change the value for code 05 955 and correct out of register colors on the third page and change the value for code 05 956 and correct out of register colors on the fourth page Color 05 code Value recommended Acceptable value range Y yellow M magenta 05 953 125 to 131 118 to 138 C cyan Y yellow 3 ea a 05 954 a 125 to 131 118 to 138 C cyan K black l l l L 2 i OOl O0 E L 2 i E Y yellow M magenta o 2 3 K black 0 Y yellow M magenta K black LO If the set value is increased by 1 the print position of the color will be shifted for 0 0423 mm toward the trailing edge of the paper For instance if the value for code 05 953 1 is increased by 3 the print position of cyan will be shifted for 0 1269 mm 0 0423mm x 3 toward the trailing edge of the paper This correction will affect all pages 1 5 e STUDIO281 351 c 451 c 1 General Adjustments Copying Printing and e Filing Output from Box 1 5 3 Color Registration Control Procedure 2 To Correct Out of register colors with Test Print Pattern 64 05 64 1 Enter adjustment mode 05 and print out the test print pattern to correct out of register colors e Use steps a to b to print out the test print pattern a Select A3 LD sized paper b Enter a code corresponding to a desired test print pattern Press the FAX button e Print out any of the following test print pa
114. ity The highlighted area will become highly visible if the background density is increased value table Default Automatic offsetting adjustment for background processing Set a value larger than 128 0 to 255 to increase the density Manual offsetting adjustment for 05 1700 background processing 05 1701 05 1702 The value for the automatic offsetting adjustment for background processing will be applied only if automatic copy density mode is selected On the other hand the value for the manual offsetting adjustment for background processing will be applied only if manual copy density mode is selected Set the value in increments of approximately 10 while checking the copy image until the optimum value is obtained The outcome of the adjustment will affect only copying in Full color mode lt Note gt 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 background color is darkened to make the highlighted area more visible the hue of the background may change After adjusting the background density copy and check the copy image quality If further image quality adjustments are still necessary use the next procedure i W 3 Press the BASIC button on the Control Panel Press the button to increase the copy density After increasing the copy density copy and check
115. ity after Power on To optimally program image quality control Before the adjustment After the adjustment The image quality varies depending on the The uniform image quality is ensured every operating environment or condition at power on time the copier is turned on Q Explanation If copying or printing is performed immediately after the copier is turned on or when it is returned from energy saving mode there will be variations in the density of the image It will not occur when the copier is temporarily turned off and on for releasing jammed paper or when it is shortly returned from energy saving mode Switch the image quality control mode to the mode which gives a higher priority to accuracy in image quality control in order to ensure the uniform image quality every time the copier is turned on Image quality control is performed in mode 1 by default which is intended to reduce the warm up time Switch it to mode 2 which is intended to increase the interval during which image quality control is performed e STUDIO281 351 c 451 c 1 General Adjustments Copying Printing and e Filing Output from Box LJ Procedures The service technician must perform the adjustment in accordance with the procedures below EMU 1 Enter setting mode 08 Change the value for code 559 to 2 to place image quality control in mode 2 It is intended to increase the interval during which image quality control is performed
116. ive cities as the best of activities for just the two of you Our members chose these five cities as the best San Jose San Jose Del Cabo Jamaica St Lucia 18 18 B B Results based on survey of Tailwind Premier members Results based on a survey of Tailwind Premier members TOSHIBA TOSHIBA The solid filled graph is not highly colored The solid filled graph becomes highly colored enough and sharper LJ Explanation Solid filled bold text such as a logo is not sometimes highly colored on the copy Change the original mode option and perform the copy density adjustment in order to make the solid filled image more highly colored This adjustment will have an effect only on copying in Full color mode Q Procedures The procedure to use varies depending on whether to adjust the copy image quality of a black or colored logo Refer to the procedure corresponding to a user s request e STUDIO281 351 c 451 c 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 effectiveness of the adjustment restore the settings made in the previously used procedure to the original Then perform the next procedure Procedures 1 and 4 are used by the service te
117. ize 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 The ratio of the file size may vary depending on the type of original Therefore use the description below just for your reference Ratio of the file size in Black mode to Gray scale mode e If the file size in Black mode Text mode is 1 it will be increased to approximately 7 times in Gray scale mode e If the file size in Black mode Photo mode is 1 it will be approximately doubled in Gray scale mode e STUDIO281 351c 451 5 3 5 4 5 Scanning specific Adjustments 5 4 To Scan the Original while Reducing the File Size Before the adjustment After the adjustment Approx 600 KB ac Approx 100 KB Approx 200 KB se i approx 30 KB Approx 900 KB ma Approx 150 KB The above file sizes are just for your reference The above file sizes are just for your reference If the original is constantly scanned at the If the original is scanned at a reasonable default compression rate the file size will compression rate depending on the purpose of become larger than required the scanned in image the file size will be successfully reduced LJ Explanation If an original is scanned at the default settings a proper image will be obtained for general purposes But the file size may become larger than required The file size of the
118. k e STUDIO2810 351c 451c 4 2 1 General Adjustments Copying Printing and e Filing Output from Box 1 2 2 To Adjust the Light Image at the Trailing Edge Splattering of Toner EII Y G1 Enter adjustment mode 05 Change the value for code 293 or 1822 to adjust the transfer roller bias output at the trailing edge of the paper Adjust the ratio of the transfer roller bias output at the center to the trailing edge of the paper in order to ensure a uniform density between them e The code to use varies according to a type of paper used Adjust the value for the 05 code corresponding to the paper type for which you would like to improve the image quality Set the value within the recommended value range in order to ensure a uniform density between the center and trailing edge of the paper e Use steps a to b to adjust the transfer roller bias output The adjustment ranges of the transfer roller bias output at the trailing edge of the paper are as illustrated below Adjustment range B 05 1822 Adjustment range A 05 293 lt 4 Printing direction a Enter adjustment mode 05 Change the value for code 293 to correct the transfer roller bias output at the trailing edge of the paper in adjustment range A Value Acceptable Thick 1 Thick 2 05 293 60 to 85 Oto100 8 Thick 3 80 _ OHP 80 1 2 e STUDIO281 351 c 451 c 1 General Adjustments Copying Printing and e F
119. k 05 234 2 to 8 0 to 10 5 pepe Full color i Back Thick 1 05 236 2 to 8 0 to 10 S sitesi Thick 2 sae 05 237 2 to 8 0 to 10 Fullcolor color Thick 3 ae 05 238 E 2 to 8 0 to 10 5 Fullcolor OHP a 05 239 a 0 2 to 8 0 to 10 5 Fullcolor Front refers to the printed side in simplex mode or the side that is delivered facing upwards in duplex mode Back refers to the printed side that is delivered facing downwards in duplex mode The table below shows you the acceptable paper weight for the paper types Paper type Acceptable paper weight 64 to 80 g m 17 to 20 Ib Bond Thick 1 81 to 105 g m Max 28 lb Bond Thick 2 106 to 163 g m Max 43 lb Bond 90 Ib Index Thick 3 164 to 209 g m Max 55 lb Bond 110 Ib Index e After adjusting the transfer roller bias output perform the automatic calibration in the same manner as in procedure 2 lt Hint gt The transfer voltage increases as the set value is increased It is usually recommended that the set value be increased when printing on thick paper or paper with asperities on its surface On the other hand the set value should be decreased when printing on thin paper After adjusting the density print and check the image quality If further image quality adjustments are still necessary use the next procedure 1 1 e STUDIO281 351c 451c 1 General Adjustments Copying Printing and e Filing Output from Box E Ii 4
120. l while Reducing the File Size To Store the Color Photo Image while Minimizing Moir To Store the B W Original with Photos and Text with the High Density To change the density in Copy to Box To Match with the Color Balance on the Original To adjust the color balance in Print to Box To Scan and Print while Minimizing Moir To Finely Print the Image Stored in the e Filing box To Print Images Stored through Copy to Box or Print to Box To Store an Image Suitable for Displaying on the Monitor or Image Editing To Finely Print Color Images Stored through the Scanning Function To Print Images Stored through Scan to Box 5 Scanning specific Adjustments 5 1 5 2 9 3 5 4 5 5 5 6 5 To Clearly Scan Text To reduce noise around text To Scan the Original while Eliminating the Background Color To eliminate the background density To Clearly Scan and Print the Original in Black and White To improve gradation and reduce graininess To Scan the Original while Reducing the File Size To Sharply Scan the Original To increase the sharpness intensity To Scan the Original while Enhancing Black To Scan the Original with the Desired Gradation 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
121. lt Hint gt First change the values for codes 05 417 and 418 to correct out of register colors on A3 LD sized paper and roughly correct out of register colors on A4 LT sized paper Next change the values for codes 05 953 to 956 to further correct out of register colors on A4 LT sized paper e The values for codes 05 417 and 418 are applied in order to print or copy an original on which a page data is pasted on the transfer belt The values for codes 05 953 to 956 are applied in order to print or copy an original on which a two page data is pasted on transfer belt Refer to the color registration control procedures described later for further information regarding each procedure e STUDIO281 351c 451c 1 5 1 General Adjustments Copying Printing and e Filing Output from Box 1 5 1 Color Registration Control Procedure 1 To Correct Out of register colors on A3 LD sized Paper with Test Print Pattern 63 05 63 1 Enter adjustment mode 05 and print out the test print pattern to correct out of register colors e Use steps a to b to print out the test print pattern a Select A3 LD sized paper b Enter a code corresponding to a desired test print pattern Press the FAX button e Print out any of the following test print patterns in the table below Paper No of copies 05 code Test print pattern fo be printed 05 62 Grid pattern for identifying out of register colors A3 LD 05 63 Test print pattern
122. mbination of color Color or Mono resolution halftone and type from among the Color Resolution Type options In this adjustment select the combination which includes the Photograph option Color Low res Photo or Color High res Photo sl Printer e STUDIO45 1c 4 Presets Standard d ALNI ERR Mono Low res Auto Fea Mono Low res Detail Mono Low res Smooth Color Low res General Color Resolution Type RAS elm E ccm Le E Color Low res Presentation Ure Mack and SYS Color Low res LineArt l Black Over Print Color High res General Color High res Photo W Smoothing olor High res Presentation Toner Save Color High res LineArt reece Preview Save As PDF Fax J LJ Cautions after the completion of the adjustment Nothing in particular LJ Remarks e Setting a color space to sRGB is a prerequisite to maximize the effectiveness of this adjustment Therefore if the monitor does not support sRGB or if color management cannot be performed the effectiveness of the adjustment may be significantly lost e In general it is impossible to reproduce the color saturation closely matching the true colors as viewed on the monitor because the range of colors reproducible in toner colors is narrower than the one on the monitor e STUDIO281 c 351 c 451 c 3 3 3 4 3 Printer specific Adjustments 3 4 To Maintain a Uniform Gray Hue To Maintain consistency in Gray among Te
123. ment When the double sided original printed on The images seen through the back of the page thin paper is copied the images seen through are not copied any more in duplex copying the back of the page are also copied LJ Explanation When a double sided original printed on thin paper such as a brochure and leaflet is copied the images seen through the back of the page are also copied Perform the background adjustment in order to avoid this problem Q Procedures The procedure to use varies depending on whether to adjust the copy image quality in Black mode or Full color mode Refer to the procedure corresponding to a user s request e STUDIO281 351 c 451 c 2 Copier specific Adjustments 2 1 To Adjust the Copy Image Quality in 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 effectiveness of the adjustment restore the settings made in the previously used procedure to the original Then perform the next procedure Procedure 1 is used by the service technician and by the user Procedures 2 to 5 are used by the service technician only E 1 Press the IMAGE button on the Control Panel Press the BACKGROUND ADJUSTMENT button Press the LIGHT button to decrease the background density After decreasing
124. ments 4 1 To Clearly Store the B W Image in Auto Color Mode Before the adjustment After the adjustment Te oe a The light image becomes blurred and text Even the light image is not blurred Text becomes illegible is clear and legible LJ Explanation When a black and white original containing black and white photo images is scanned in Auto color mode and stored in the e Filing box Scan to Box it is stored with binary data with reference to a threshold value This may make a dark area blurred and a light area eliminated Adjust the threshold value in order to clearly store the black and white original in Auto color mode Please remember that the e Filing functions are available only on the Windows platform but not on the Macintosh or UNIX platform This adjustment will have an effect on the image stored using Scan to File and Scan to E mail LJ Procedure The adjustment is performed by the service technician and by the user e STUDIO281 351 c 451 c 4 e Filing specific Adjustments This adjustment will have an effect only on the image stored in Auto color mode WI 1 Adjust the threshold value in order to store the black and white original with the appropriate density e Use steps a to d to adjust the threshold value 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 d In t
125. n scan the original and check the scanned in image quality If further image quality adjustments are still necessary use the next procedure When scanning the original press the EDIT button on the Control Panel In the ORIGINAL MODE option select TEXT Perform this adjustment only if the black and white original containing no photo images is scanned or if degradation in the photo image quality is acceptable This adjustment will be effective only if TEXT PHOTO or PHOTO is initially selected from among the original mode options This adjustment will have an effect only on the image scanned in Black mode After changing original mode scan the original and check the scanned in image quality If further image quality adjustments are still necessary use the next procedure When scanning the original press the EDIT button on the Control Panel In the JPEG COMPRESS option select HIGH In the JPEG COMPRESS option MID is selected by default This adjustment will have an effect only on the image scanned in Full color mode including Auto color mode or Gray scale mode After changing the compression rate scan the original and check the scanned in image quality If further image quality adjustments are still necessary use the next procedure When scanning the original press the EDIT button on the Control Panel Press the BACKGROUND ADJUSTMENT button Press the button to decrease the backgrou
126. n colors It is recommended to print CMYK data on the PS3 printer driver instead of the PCL5c printer driver Use Output Preview on Acrobat 7 0 Professional to examine the color definition on the PDF file For further information regarding the Output Preview refer to an appropriate manual or the Help menu of Acrobat 7 0 Professional e STUDIO281 351 c 451 c 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 options 4 Move the cursor over the data to check the color definition Then the color calibration will be displayed in percentage on Separations is Adobe Acrobat Professional add 2_Phone Book _ Sele An Do nme j Helt i Eo 100 i Emergency Preparedness With minimal preparation you can lessen the course and obtain a good medical emergency danger to yourself your family your home Kitend_ooidalaon area aloes cibicin and property in the case of a natural disaster Output Preview or other emergency Study this pag
127. n the Sharpness indicator in the IMAGE menu is set to the center Remember that 1 step of the indicator will increase or decrease the sharpness intensity by 3 If the sharpness intensity of the center value is changed each step of the indicator will be changed accordingly For instance if the center value is increased by 5 sharper the value of each step of the indicator will also be increased by 5 sharper After increasing the sharpness intensity copy and check the copy image quality If further image quality adjustments are still necessary use the next procedure 2 1 e STUDIO281 351 c 451 c 2 Copier specific Adjustments Wf 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 Moir LJ Cautions after the completion of the adjustment The adjustment may possibly cause an increase in the amount of toner used moir blurred text small dark text blurred diminished photo images or gradational images less accurate reproduction of halftones Therefore carefully perform the adjustment while checking the copy image LJ Remarks Enter the value within the recommended value range mentioned in the procedures Otherwise it may cause a loss in copier performance including degradation in the image quality and reduction in the life of the consumables e
128. nd density Then select HIGH from among the JPEG COMPRESS options This adjustment will be effective only when the original with a color background such as a newspaper and color paper is scanned This adjustment will have an effect only on the image scanned in Full color mode including Auto color mode or Gray scale mode After decreasing the background density and changing the compression rate scan the original and check the scanned in image quality With the background density set to the minimum if further image quality adjustments are still necessary the service technician must use another procedure e STUDIO281 c 351 c 451 c 5 4 5 Scanning specific Adjustments Q Cautions after the completion of the adjustment e The table below shows you the correlation between the adjustment and file size The ratio of the file size may vary depending on the type of original Therefore use the table below just for your reference e Correlation between a resolution and file size procedure 1 The file size in a resolution of 200 dpi is 100 200 dpi 100 150 dpi Approx 60 100 dpi Approx 40 e Correlation between original mode and file size procedure 2 The file size in Photo mode is 100 Original mode 100 Approx 30 e Correlation between JPEC compression rate and file size procedure 3 The file size is 100 with MID selected JPEG compression rate 100 HIGH Approx 80
129. nd e Filing Output from Box E WW 2 Enter adjustment mode 05 Change the value for code 434 to adjust the bottom margin This adjustment will have an effect only on the image printed on the back of the paper printed side delivered facing downwards in duplex copying Remember that it will not affect the image printed in simplex copying the one printed on the front of the paper printed side delivered facing upwards in duplex copying and the print image quality In duplex copying the bottom margin on the back of the paper may be narrower than on the front in simplex or duplex copying depending on the paper size and how much paper is moistened This results in the faint image at the trailing edge on the back of the paper Adjust the bottom margin in order to clearly copy at the trailing edge on the back of the paper e Use steps a to b to adjust the bottom margin a With the platen cover or RADF opened make a double sided copy Copy a solid black image e Checking the copy image determine how much the bottom margin should be increased Select the best paper size for duplex copying if necessary It is recommended to use the paper which is most frequently used for duplex copying When making a double sided copy of the solid black image place blank paper on the original glass allowing the solid black image to be copied only at the trailing edge on the back of the paper for toner saving purposes b En
130. nd the copy image becomes sharper LJ Explanation Perform an adjustment regarding the image processing sharpness intensity in order to obtain a sharper copy image when a light or blurred original is copied Q 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 effectiveness of the adjustment restore the settings made in the previously used procedure to the original Then perform the next procedure Procedures 1 and 2 are used by the service technician and by the user Procedure 3 1s used by the service technician only Mi 1 Press the IMAGE button on the Control Panel Press the ONE TOUCH ADJUSTMENT button Press the CLEAR button After selecting the Clear option copy and check the copy image quality If further image quality adjustments are still necessary use the next procedure E Ot WW 2 Press the IMAGE button on the Control Panel Press the SHARPNESS button Press the SHARP button to increase the sharpness intensity After increasing the sharpness intensity copy and check the copy image quality With the sharpness intensity set to the maximum if further image quality adjustments are still necessary the service technician must use the next procedure 2 9 e STUDIO281 351 c 451 c 2 Copi
131. needs for the image quality can be satisfied to make a proposal to the customer for improving image quality and to communicate the customers needs with ease to the service technician In addition this manual is expected to facilitate the marketing of the Toshiba MFPs to prospective customers that have specific demand for image quality and the expansion of sales The adjustments described in this manual are all based on the needs of actual customers Meeting their specific needs will increase their satisfaction Please remember to read Cautions after the completion of the adjustment which you must pay close attention to after the completion of the adjustment Precautions in Servicing e For adjustments to be performed by the service technician the cautions mentioned in the Service Manual must be stringently followed The adjustments must be performed by a qualified service technician who has completed the service training course e The default values mentioned in this manual may be different from the actual ones due to the timing of shipping firmware version But note that the values recommended and acceptable value range mentioned in this manual remain the same Icons Purpose of the Imaging Manual The following icons used in this manual denotes the following T PCL5c PCL6 Scan to Box Copy to Box e Copy An adjustment having an effect on copying in Black mode excluding
132. ns and Smooth from among the Halftone options in the Image Quality tab TOSHIBA e STUDIO451cSeries PSL3 Properties Setup Frint Job Layout Effect Image Quality About Image Quality Type ul oo C General C Photograph C Presentation Line Ark r E Halftone oa Graphics Text l Distinguish Thin Lines i Black Over Print Profile None r W Pure Black Save As Pure Gray Use Black for All Texts Restore Defaults e STUDIO281 c 351 c 451 c 3 4 3 Printer specific Adjustments For Macintosh GED This adjustment will have an effect only on full color printing Open the print dialog box Select LineArt from among the Color Resolution Type options The menu to be selected varies according to the operating system Refer to the table below and select the Quality gt Color Resolution Type Printer Features gt Feature Sets Quality gt Color Resolution Type e Select the desired combination of color Color or Mono resolution halftone and type from among the Color Resolution Type options In this adjustment select the combination which includes the LineArt option Color Low res LineArt or Color High res LineArt Printer e STUDIO45 1c B Presets Stan Print E Fea Color Low res General E e Color High res Genera Pure Black and Gray Color High res Photo OT RAE Color High res LineArt Black Over Pr
133. ns in Procedure 1 of 3 2 To Obtain the Desired Color Balance lt Note gt A change to the printing image quality mode will apply to all future printouts using the e Filing box Carefully perform the adjustment while printing out images other than the one that is used for the adjustment E WW 3 Print out the image stored in the e Filing box on the Control Panel or using the e Filing Web utility For further information regarding how to print it out refer to the following documents e To print it out on the Control Panel Operator s Manual for Basic Function e To print it out using the e Filing Web utility e Filing Guide Q Cautions after the completion of the adjustment Nothing in particular e STUDIO281 c 351 c 451 c 49 5 Scanning specific Adjustments 5 1 To Clearly Scan Text To reduce noise around text Before the adjustment After the adjustment Color has always been an important part of life and is z t k Color has always been an important part of life and is becoming more and more important in business documents 3 Y i i becoming more and more important in business documents Color can be used to emphasize and prioritize information ee ae Color can be used to emphasize and prioritize information itkean be used to organize material adding a logical sequence and conti be used to organize material adding a bogical sequence and conti nuity to reports proposals or any multi page business document nuity to
134. nting and e Filing Output from Box E I M W 2 Check the life of the consumables particularly the drum developer material and transfer belt unit and replace them if necessary e When replacing any consumable use steps a to c below a Enter PM support mode Reset the counter corresponding to the replaced consumable to 0 For further information regarding PM support mode refer to the Service Handbook b Enter adjustment mode 05 Select code 396 Press the START button e Image quality control will be performed and the image quality control value will be initialized c Perform the automatic calibration For further information regarding the procedures refer to procedure 2 in 1 1 To Obtain a Darker Image After replacing any consumable remember to reset the counter corresponding to it to 0 Otherwise it may cause a loss in copier performance including degradation in the image quality and reduction in the life of the consumables While replacing any consumable also check the slit glass in the laser optical unit and thoroughly clean it if it is soiled LJ Cautions after the completion of the adjustment e The adjustment may possibly slow down the copying or printing speed and shorten the life of the consumables Therefore carefully perform the adjustment while checking the image e Switching image quality control mode will increase the interval of image quality control by approximately 25 seconds at m
135. o change the default indicator position in the background adjustment option which is displayed on the Control Panel 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 d In the BACKGROUND ADJUSTMENT option in Full color mode or Gray scale mode specify the default background density e STUDIO281 351c 451 5 2 5 Scanning specific Adjustments 5 3 To Clearly Scan and Print the Original in Black and White To improve gradation and reduce graininess Before the adjustment After the adjustment If the original is scanned in Black mode the The halftones of the scanned in image are halftones may become blurred in black clearly printed out LJ Explanation If an original is scanned in Black mode a difference in the density level of the halftones cannot be accurately scanned As a result it may become blurred in black or grained Scan the black and white original in Gray scale mode in order to scan and print it out in black and white more clearly LJ Procedure The adjustment is performed by the service technician and by the user 1 When scanning the original press the EDIT button on the Control Panel Select GRAY SCALE from among the color mode options 5 3 e STUDIO281c 351c 451c 5 Scanning specific Adjustments LJ Cautions after the completion of the adjustment The adjustment may possibly increase the s
136. o the original Then perform the next procedure Procedures 1 to 3 are used by the service technician and by the user Procedure 4 is used by the service technician only mP 0 M 2 M 8 Press the BASIC button on the Control Panel Press the button to increase the copy density After increasing the copy density copy and check the copy image quality With the copy density set to the maximum if further image quality adjustments are still necessary use the next procedure Perform the color balance adjustment or RGB adjustment to adjust the hue in general e 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 c Press the button to enhance the tint of the color or the button to decrease it d Press the ENTER button After adjusting the hue copy and check the copy image quality If further image quality adjustments are still necessary use the next procedure Press the BASIC button on the Control Panel Select TEXT or MAP from among the original mode options To have TEXT or MAP selected from among the original mode options by default refer to procedure 1 in 2 8 To Eliminate Moire After selecting Text or Map mode copy
137. ode at power on re ae Text Photo Default Po Tet o O Text Map LJ Cautions after the completion of the adjustment Nothing in particular e STUDIO281 351 c 451 c 43 4 4 4 e Filing specific Adjustments 4 4 To Store the B W Original with Photos and Text with the High Density To change the density in Copy to Box Before the adjustment After the adjustment Creativity WorksNnop The black and white image is stored in Photo mode When it is opened on an application text looks very light If it is stored in Text or Text Photo mode text will look darker and clearer LJ Explanation When a black and white original containing both photo images and text is copied in Black mode with Photo mode selected and stored in the e Filing box Copy to Box text may be stored with the low density depending on the type of original because Photo mode is intended to improve the reproducibility of halftones Change the original mode option and adjust the scan density in order to obtain a darker and clearer image when the image stored in the e Filing box is to be imported into an application on a client PC Please remember that the e Filing functions are available only on the Windows platform but not on the Macintosh or UNIX platform LJ Procedures All the adjustments are performed by the service technician and by the user e STUDIO281 351 c 451 c 4 e Filing specific Adjustments This adjustment w
138. ode selected and stored in the e Filing box Copy to Box moir is likely to occur on the photo images It may occur when it is copied on paper But it will be more enhanced if it is stored as image data Select Printed image mode from among the original mode options in order to store full color photo images while minimizing moir Please remember that the e Filing functions are available only on the Windows platform but not on the Macintosh or UNIX platform LJ Procedure The adjustment is performed by the service technician and by the user e STUDIO281 351 c 451 c 4 e Filing specific Adjustments This adjustment will have an effect only on the image stored in Full color mode i 1 Press the BASIC button on the Control Panel Select PRINTED IMAGE from among the original mode options Use either of the following procedures to switch default original mode to Printed image mode To change default original mode on the Control Panel Use steps a to d to change default original mode a Press the USER FUNCTIONS button on the Control Panel to enter the User Functions menu b Press the USER button c Press the COPY button d In the ORIGINAL MODE FOR COLOR option press the PRINTED IMAGE button To change default original mode in setting mode 08 Enter setting mode 08 Set 2 for code 585 Printed image mode will be selected by default at power on Value for 08 585 Default original m
139. of image data attaching importance to textures of the data If LineArt is selected only the K toner will be used to print black and gray areas of all data including text graphics and photos After changing the printer driver settings print and check the print image quality If further image quality adjustments are still necessary use the next procedure 3 13 e STUDIO281 351 c 451 c 3 Printer specific Adjustments E G Open the property page of the printer driver Mark the Use Black for All Text checkbox in the Image Quality tab This adjustment will have an effect only on printing on the PCL5S5c PCL6 or PS3 emulation printer driver This adjustment cannot be performed on the Macintosh printer driver This adjustment will be effective only if print out a file created on a general application such as Microsoft Office in PostScript PS3 Please be careful that it may not be effective if you print out a file or PDF file created on a graphic application e g Illustrator or a DTP application e g QuarkXPress TOSHIBA e STUDIO451cSeriesPCL5c Properties Setup Print Job Layout Effect Image Quality About i i Graphics Text None Save As Delete Restore Defaults Protile Image Quality Type f Photograph Presentation C Line Art Auto f General Halftone Brightness Saturation IY Smoothing Distinguish Thin Lines W Pure Gray
140. oks black on the monitor But the hue The hue of text is nearly matched with the will vary if it is printed out in full color black hue on the monitor LJ Explanation Text looks black on the monitor But if it is printed in full color with Automatic selected from among the Color options all toner colors CMYK will be used to print it depending on the application in use As a result the black hue on the printout looks different from what the user desires This problem is caused by the application specifications not by the printer Particularly the following factors may cause all toner colors C M Y and K to be used to print black text in the PDF file e The file of black text K 100 is printed on the PCLSc printer driver e Black text is treated as image data instead of text data on the file e Black text is not defined as 100 black RGB 0 or CMY 0 K 100 on the file Change the printer driver setting or adjust the color balance in order to nearly match the hue of black text on the file in which these factors may be included with the black hue Q Procedures Perform the adjustment in accordance with the procedures below Procedures 1 to 3 are used by the service technician and by the user Procedures 4 and 5 are used by the service technician only e STUDIO281 351 c 451 c 3 Printer specific Adjustments Wi 1 If printing is performed with PCL5c select the PS3 printer driver lt Hint
141. omputer monitor Change the Image Quality Type setting on the printer driver in order to minimize the difference in the color balance and closely match the color balance of the image stored with that of the original Please remember that the e Filing functions are available only on the Windows platform but not on the Macintosh or UNIX platform LJ Procedure The adjustment is performed by the service technician and by the user Print to Box This adjustment will have an effect only on full color printing i 1 Open the property page of the printer driver Select General from among the Image Quality Type options in the Image Quality tab General allows the image to be stored in colors which are closely matched with the original compared to the other Image Quality Type options amp TOSHIBA e STUDIO451cSeriesPCL5c Properties Setup Print Job Layout Effect Image Quality About C Photograph Presentation f Line Art H alftone I Brightness Graphics Text Saturation Profile Hone Y m Save As Distinguish Thin Lines W Pure Gray Rest Default Restore Defauts 1 6 Black for Al Tents a i L Cautions after the completion of the adjustment Nothing in particular e STUDIO281c 351c 451c 4 5 4 6 4 e Filing specific Adjustments 4 6 To Scan and Print while Minimizing Moire Before the adjustment After the adjustment When the image stored in t
142. on on the Control Panel Press the button to increase the copy density After increasing the copy density copy and check the copy image quality With the copy density set to the maximum if further image quality adjustments are still necessary use the next procedure I 2 Press the IMAGE button on the Control Panel Press the SHARPNESS button Press the SHARP button to increase the sharpness intensity After increasing the sharpness intensity copy and check the copy image quality With the sharpness intensity set to the maximum if further image quality adjustments are still necessary the service technician must use the next procedure I 3 Enter adjustment mode 05 Increase the values for codes 1737 to 1741 to increase the copy density of text or increase the sharpness intensity e The code to use varies according to original mode Text Photo Text Printed image Photo or Map Adjust the value for the 05 code corresponding to original mode for which you would like to improve the image quality and set a value larger than 16 for it Original mode 05 code Value recommended Acceptable value range Default Set a value larger than 16 0 to 31 Setting 1 provides the softest image while setting 31 provides the sharpest image The default value 0 provides an image as sharp as the one provided by setting 16 Changing the values for these codes will change the sharpness intensity whe
143. on option on the Macintosh printer driver is Low res 600 x 600 or High res 1200 x 600 e STUDIO281 351c 451c 3 7 3 Printer specific Adjustments sol te a PDL Resolution 05 code Subcode NEUDE pA adjusted recommended value range Y Yellow Bei Sc M Magenta 0 to 255 128 Set a value larger PCLSc than 128 C Cyan PCLS K Black 493 Set the value in increments of approximately 10 while checking the printout until the optimum value is obtained The value for the 05 code for K black will affect black and white images including text lines and photos on the printout The subcode varies according to the area for which the density is adjusted Refer to the table below and set the subcode for the area to be adjusted Area for the density to be adjusted 0 Low densityarea Medium density area High density area lt Note gt The adjustment results are reflected in Detail of the Halftone options and Line Art of the Image Quality Type options of the printer driver and will subsequently apply to all printouts that use the changed setting For instance if the values for 05 code for PCL and Detail are changed they will be applied to printing performed with PCL5c and Halftone Detail or Auto selected Carefully perform the adjustment being aware that the image quality of all future printouts will be changed when printing out originals other than the one that is u
144. or the low density area Area for the density to be adjusted l Medium density area High density area After adjusting the gamma curve balance copy and check the copy image quality If further image quality adjustments are still necessary use the next procedure 2 1 e STUDIO281c 351c 451c 2 Copier specific Adjustments E 7 Enter adjustment mode 05 Change the values for codes 570 to 572 or 693 to 695 to set the background peak of range correction to fixed in manual copy density mode e 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 Adjust the value for the 05 code corresponding to the condition for which you would like to improve the image quality and set 1 in ten place Set value Ex To set the background text peak in manual and auto copy density mode to fixed l L One place Set the background text peak in auto copy density mode to fixed See the table below for further information Ten place Set the background text peak in manual copy density mode to fixed See the table below for further information Background peak Text peak Change the values only for manual copy density mode ten place Never change the values for auto copy density mode one place To scan an original manually placed on the original glass Original 05 code Copy density Value recommended Defaut
145. ough the Scanning Function L Cautions after the completion of the adjustment Nothing in particular LJ Remarks When Archive Document of the e Filing Web utility or Backup of the e Filing Backup Restore Utility 1s used image data stored in the e Filing box can be converted to a file maintaining the image quality optimized for printing For example you may want to temporarily move stored data to make some space in the box and saved it again in the box When the data is converted to a PDF or TIFF file and then moved using the File Downloader image quality may be diminished However you can use Archive Document or Backup to move the data while maintaining image quality The Backup feature can also collectively backs up all data in the e Filing box Note that files created through the Archive Document or Backup feature cannot be directly opened on the PC or printed out For further information regarding Archive Document and Backup refer to the e Filing Guide e STUDIO281 351c 451c 4 7 4 e Filing specific Adjustments 4 8 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 Downloaded Downloaded Converted into RGB RGB data Client PC Client PC Stored and Stored and edited LS edited Displayed on the Displayed on the computer monitor computer monitor RGB data RGB data Wh
146. ound density After decreasing the background density copy and check the copy image quality With the background density set to the minimum if the images seen through the back of the page are still copied the service technician must use the next procedure Ii 2 Enter adjustment mode 05 Change the values for codes 1688 to 1692 and 1698 to 1702 to adjust the background density Adjustment Original mode 05 code Value recommended ATES OLE Default value range Automatic offsetting adjustment for background processing Set a value smaller than 128 0 to 255 128 Manual offsetting 05 1699 adjustment for 05 1700 background processing 05 1701 05 1702 The value for the automatic offsetting adjustment for background processing will be applied only if automatic copy density mode is selected On the other hand the value for the manual offsetting adjustment for background processing will be applied only if manual copy density mode is selected Set the value in increments of approximately 10 while checking the copy image until the optimum value is obtained The outcome of the adjustment will affect only on copying in Full color mode lt Note gt 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
147. ow density area Medium density area 2 5 e STUDIO281c 351c 451c 2 Copier specific Adjustments LJ Cautions after the completion of the adjustment The adjustment may possibly cause the background color to become excessively dark Therefore carefully perform the adjustment while checking the copy image Remarks Enter the value within the recommended value range mentioned in the procedures Otherwise 1t may cause a loss in copier performance including degradation in the image quality and reduction in the life of the consumables e STUDIO281 351c 451c 2 5 2 6 2 Copier specific Adjustments 2 6 To Eliminate the Background Color Before the adjustment After the adjustment ihe aS SS seige Goe i Seed ea ds ee ai a E i kde eate 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 L Explanation When a full color original such as color paper is copied its background color is also copied Therefore no clear contrast is made between the background and text on the copy Perform the background adjustment in order to copy the original with the highly colored background while eliminating the background color or making it white Q Procedures The procedure to use varies depending on whether to adjust the copy image quality in Black mode or Full
148. particular LJ Remarks e Enter the value within the recommended value range mentioned in the procedures Otherwise it may cause a loss in copier performance including degradation in the image quality e Procedures 2 and 3 provide the same effect of the adjustment However procedure 3 allows more flexible adjustment e STUDIO281 351c 451 2 9 2 10 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 LJ Explanation When a photo image is copied the contours or edges of the image sometimes become highly visible on the copy Perform an adjustment regarding the image processing sharpness intensity in order to soften the edges of the image Q 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 effectiveness of the adjustment restore the settings made in the previously used procedure to the original Then perform the next procedure Procedures 1 and 2 are used by the service technician and by the user Procedures 3 to 5 are used by the service technician only e STUDIO281 351 c 451 c 2 Copier specific Adjustments Bl 1 Press the BASIC button on the Control
149. printing Automatic is selected from among the Color options on the PCL5c or PS3 printer driver Color is selected from among the Color Resolution Type options on the Macintosh printer driver e Use steps a to b to adjust the color balance The Color options are available in the Setup tab on the PCL5c and PS3 printer drivers The Color Resolution Type is available in the Quality menu on the Macintosh printer driver a Enter adjustment mode 05 Select code 395 Press the START button e Image quality control will be forcibly performed to correct variations in image contrast b Enter adjustment mode 05 Change the values for codes 1014 to 1017 1022 to 1025 1030 to 1033 or 1038 to 1041 to adjust the color balance and increase the color density e Adjust the values for the 05 codes corresponding to the print options to be applied PDL Resolution and Halftone Ex When printing on Windows is performed with the following options selected PCLS5Sc 600 x 600 Image Quality Type Presentation Halftone Detail gt Change the values for Y 05 1030 M 05 1031 C 05 1032 and K 05 1033 e When printing on Macintosh is with the following option selected Color Low res 600 x 600 LineArt Halftone Detail gt Change the values for Y 05 1014 M 05 1015 C 05 1016 and K 05 1017 Printing on Macintosh is performed in PostScript See the PS3 row in the table below The resoluti
150. quis nostrud exercitation ulam corpor ndents im volupate velita illumi parariaiur Monnuny ejusmod tempor inciunt ut labore et dolore magna aliquam eral volupat Ut enim ad minim veniam quis nostrud exercitation ullan veniam quis nostrud exercitation ullan 93 94 95 96 97 98 99 03 94 95 96 97 98 99 The areas marked with 2 different colored highlighters are accurately reproduced and distinguishable on the copy The hues of highlighters are not accurately reproduced The areas marked with 2 different colored highlighters are reproduced in the same hue They are indistinguishable Explanation When an original containing text or areas marked with highlighters is copied their hues may sometimes not be accurately reproduced on the copy The inks of highlighters are special Therefore their hues cannot be accurately reproduced To reproduce the hues of similar highlighters such as yellow and green while producing sharp contrasts on the copy perform the color adjustment color balance adjustment or RGB adjustment and color density adjustment Also the e STUDIO281c 351c 451c allows the setting specifically for reproducing text or areas marked with highlighters It can be assigned for a button in the ONE TOUCH ADJUSTMENT option Q 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 chang
151. r Macintosh Mac This adjustment will have an effect only on full color printing Open the print dialog box Select LineArt from among the Color Resolution Type options The menu to be selected varies according to the operating system Refer to the table below and select the Quality gt Color Resolution Type Printer Features gt Feature Sets Quality gt Color Resolution Type e Select the desired combination of color Color or Mono resolution halftone and type from among the Color Resolution Type options In this adjustment select the combination which includes the LineArt option Color Low res LineArt or Color High res LineArt Printer e STUDIO45 1c HH Prind Mono Low res Detail a Mono Low res Smooth Fea Color Low res General Color Low res Photo DW fe LF ale ete i Color Resolution Type PEAS aE T aaacasa color High res Genera Pure Black and ray f Color High res Photo Black Over Print atatior HOL OLOT Color High res LineArt M Smoothing Toner Save T Preview Save As PDF J Fax 5 lt Hint gt A file created on a retouching application for printing image data such as PhotoShop is printed out as image data which is the same as text and photos If General Photo and Presentation are selected from among the Image Quality Type options on the printer driver all toner colors CMYK will be used to print black and gray areas
152. r colors C M Y and K Unmark Use PostScript Passthrough in the PostScript Setting options in the Effect tab The Image Quality Type setting will be effective if printing on Windows PS3 is performed but not on Macintosh or if you print out a file created on the above applications However the color balance may be changed and also the image quality may be diminished depending on the type of file For Windows PCL5c This adjustment will have an effect only on full color printing Open the property page of the printer driver Select Photograph from among the Image Quality Type options TOSHIBA e STUDIO451cSeriesPCL5c Properties Setup PrintJob Layout Effect Image Quality About i General H alftone Letter IESS ae Ej o E Brightness Graphics Text Saturation Profile None ad Save cis Distinguish Thin Lines W Pure Gray Restore Default Bestoe Defauts 15 Black for Al Texts 3 3 e STUDIO281 351 c 451 c 3 Printer specific Adjustments For Macintosh Mac This adjustment will have an effect only on full color printing Open the print dialog box Select Photo from among the Color Resolution Type options The menu to be selected varies according to the operating system Refer to the table below and select the Quality gt Color Resolution Type Printer Features gt Feature Sets Quality gt Color Resolution Type e Select the desired co
153. r image quality adjustments are still necessary use the next procedure E 5 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 Moir After selecting Text mode copy and check the copy image quality If further image quality adjustments are still necessary use the next procedure E 6 Enter adjustment mode 05 Change the values for codes 590 to 592 to adjust the gamma curve balance of the medium and high density areas Original mode 05 code Value recommended AEE MELO Default value range Text Photo 05 590 05 591 Set a value larger than 128 0 to 255 128 05 592 Set the value in increments of approximately 20 while checking the copy image until the optimum value is obtained Please be careful that the gradation or density of the medium density area may exceed that of the high density area depending on the set value The subcode varies according to the area for which the density is adjusted Refer to the table below and set the subcode for the area to be adjusted The density of light text or a graphic image will vary if the medium or high density area is mainly adjusted Setting 0 for the subcode allows you to adjust the low density area But it will not affect the light text or graphic images Therefore never change the value f
154. ral ee 0 to 255 128 The subcode varies according to the area for which the density is adjusted Refer to the table below and set the subcode for the area to be adjusted Area for the density to be adjusted a 0 Low density area Medium density area High density area lt Note gt After performing the adjustment the values changed will be applied to all printouts for the Halftone option For instance if the values for 05 code for PCL and Detail are changed they will be applied to printing performed with PCLSc and Halftone Detail or Auto selected Carefully perform the adjustment being aware that the image quality of all future printouts will be changed when printing out originals other than the one that is used for the adjustment PCL6 and PCL5c use Smooth of the Halftone options in common Note that a change to the 05 598 setting has impact on printouts with Mono and Smooth selected in the Color and the Halftone options respectively in PCLSc as well as printouts using PCL6 When Mono is selected in the Color options in PCLSc particular attention should be given since the default setting for the Halftone options is Smooth e When Mono is selected in the Color options and Auto default is selected in the Halftone options in PS3 Detail of the Halftone options is applied to text and graphics illustrations and Smooth is applied to raster data images Therefore particular
155. reports proposals or any multi page business document A poster flyer form graph or chart will demand more attention A poster Myer form graph or chart will demand more attention if color is incorporated into its design Color can establish a recurs if color is incorporated into its design Color can establish a reur ring theme increming brand recognition and can help arrange ring theme increasing brand recognition and can help arrange facts in a clear and logical fashion Focus attention Enlighten facts in a clear and logical fashion Focus attention Enlighten Explain Persuade Use color Explain Persuade Use color If the original is scanned in Full color mode or The image quality is maintained while noise Gray scale mode noise may occur in text or is being reduced edges of a solid filled area LJ Explanation When an original is scanned in Full color or Gray scale mode the data compression may cause noise splattering of the toner colors around text or the edges of a solid filled area Adjust the JPEG compression rate or change the scan resolution in order to obtain better scanned in image while reducing noise This adjustment will have an effect on the image scanned in Full color mode including Auto color mode or Gray scale mode Q 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 anoth
156. reset the counter corresponding to it to 0 Otherwise it may cause a loss in copier performance including degradation in the image quality and reduction in the life of the consumables While replacing any consumable also check the slit glass in the laser optical unit and thoroughly clean it if it is soiled LJ Cautions after the completion of the adjustment Nothing in particular LJ Remarks e Enter the value mentioned in the procedures or one within the recommended value range for the adjustment Otherwise it may cause a loss in copier performance including degradation in the image quality and reduction in the life of the consumables e The desired image quality may not be obtained depending on the type of paper used In this case use the recommended paper and then print or adjust the image quality e If printing on another type of paper causes a problem with the image quality after the adjustment return the set values for 05 234 to 239 to the default set value 5 and then perform the adjustment again e The adjustment will make up for the gap in the image quality and density between the front and back of the paper in duplex copying printing Particularly if the image on the back is lighter than on the front the image quality may be improved by increasing the set value for the transfer roller bias output When replacing any consumable refer to the relevant information in the Service Manual and Service Handboo
157. ress the START button e Image quality control will be forcibly performed to correct the color balance and copy density After exercising image quality control copy and check the copy image quality If further image quality adjustments are still necessary use the next procedure E T Ii y 2 Perform the automatic calibration to correct variations in the copy density ADMIN is selected from among the CALIBRATION DISPLAY LEVEL options by default In other words an administrator is authorized to operate the automatic calibration But the USER option can also be selected to allow the user to operate it Refer to the User Functions Guide for further information regarding how to select the CALIBRATION DISPLAY LEVEL option e Use steps a through 1 to perform the automatic calibration a Press the USER FUNCTIONS button on the Control Panel to enter the User Functions menu b Press the ADMIN button c Enter the 6 digit administrator password Press the ENTER button d Press the GENERAL button e Press the CALIBRATION button f Press the COPY button g Press the CALIBRATION button to print out the test chart h Place the printed test chart on the original glass 1 Press the START button to perform calibration When the calibration comes to an end the message Scanning and calibrating will disappear As a result of the above steps the both full color and black and white copy image quality will b
158. rocedures according to the image quality problem you have e STUDIO2810 351c 451c 4 2 1 General Adjustments Copying Printing and e Filing Output from Box 1 2 1 To Adjust the Blurred or Grained Image Ba WW C1 Enter adjustment mode 05 Change the values for codes 234 236 237 238 239 to adjust the transfer 2nd transfer roller bias output Adjust the offset voltage of transfer roller bias so as to optimize the halftones e The code to use varies according to a type of paper used Adjust the value for the 05 code corresponding to the paper type for which you would like to improve the image quality Set the value within a range of 2 to 8 to optimize the halftones Value Acceptable Front Black Plain sk Pia 05 234 2 to 8 0 to 10 5 paper Full color 0t gt Front Black Feo Thick 1 05 236 2 to 8 0 to 10 5 Full color Thick 2 a 05 237 2 to 8 0 to 10 Fullcolor color Thick 3 a 05 238 E 2 to 8 0 to 10 5 Fullcolor OHP as 05 239 _9 2 to 8 0 to 10 5 Fullcolor Front refers to the printed side in simplex mode or the side that is delivered facing upwards in duplex mode Back refers to the printed side that is delivered facing downwards in duplex mode The table below shows you the acceptable paper weight for the paper types Paper type Acceptable paper weight Plain paper 64 to 80 g m 17 to 20 lb Bond Thick 1 81 to 105 g m Max 28 lb Bond Thick 2 106 to 163 g m
159. s performed LJ Procedures The service technician must perform the adjustment in accordance with the procedures below BL EW 1 Enter setting mode 08 Change the value for code 570 571 or 572 to specify the best interval during which image quality control is performed according to use of the copier In addition change the value for code 565 or 566 to switch image quality control mode to mode 2 It gives a higher priority to accuracy in image quality control The copier is installed in a place where the temperature and humidity vary widely Use steps a to b and perform the adjustment of image quality control a Change the value for 08 405 within the range from 1 to 3 value x R H to increase the frequency of image quality control in response to a change in humidity Image quality control will be performed when the relative humidity changes in accordance with the specified difference from the previous image quality control If the difference in the relative humidity exceeds the specified value image quality control is performed first Then a copy or print job will be performed Value for 08 570 Difference in relative humidity 5 R H to 15 R H 20 R H default b Change the value for code 08 565 to 2 to place image quality control in mode 2 It is intended to increase the interval during which image quality control is performed Value for 08 565 Image quality control when the relati
160. sed for the adjustment Note that this adjustment has no impact when Smooth is selected in the Halftone options or when any one of General Photo and Presentation is selected in the Image Quality Type options and Auto is selected in the Halftone options 3 7 e STUDIO281c 351c 451c 3 Printer specific Adjustments To adjust the image quality in black and white printing Mono is selected from among the Color options on the PCL5c or PS3 printer driver To print using PCL6 Mono is selected from among the Color Resolution Type options on the Macintosh printer driver The Color options are available in the Setup tab on the PCLS5Sc and PS3 printer drivers The Color Resolution Type is available in the Quality menu on the Macintosh printer driver Note that Color options are not present since PCL6 only applies to monochrome printing a Enter adjustment mode 05 Increase the value for code 597 598 or 599 Adjust the gamma curve balance and increase the density in black and white printing e Adjust the 05 codes corresponding to the PDL to be applied Printing on Macintosh is performed in PostScript See the PS3 row in the table below PDL Halftone 05 code Subcode yaus SO TIEL AE recommended value range Set the value in increments of approximately 10 while checking the printout until the optimum value is obtained PCLSc 05 599 0 12 gota value PCLSc PCL6 05 598 O 1 2 e
161. t and check the print image quality If further image quality adjustments are still necessary use the next procedure 34 e STUDIO281c 351c 451c 3 Printer specific Adjustments 2 Select Line Art from among the Image Quality Type options on the printer driver LineArt allows gray areas to always be reproduced using only the K toner The hue of any color other than black this option provides is the same as the one the Presentation option provides This adjustment will be effective only if print out a file created on a general application such as Microsoft Office in PostScript PS3 or Macintosh Please be careful that it may not be effective if you print out a file created on a graphic application e g Illustrator or a DTP application e g QuarkXPress or PDF file created on these applications using the toner colors C M Y and K Unmark Use PostScript Passthrough in the PostScript Setting options in the Effect tab The Image Quality Type setting will be effective if printing on Windows PS3 is performed but not on Macintosh or if you print out a file created on the above applications However the color balance may be changed and also the image quality may be diminished depending on the type of file For Windows PCL5c This adjustment will have an effect only on full color printing Open the property page of the printer driver Select Line Art from among the Image Quality Type optio
162. t and check the print image quality If further image quality adjustments are still necessary use the next procedure PCL5c This adjustment will be effective only if Automatic is selected from among the Color options on the printer driver Mac This adjustment will be effective only if Color is selected from among the Color Resolution Type options on the printer driver Wi 3 Perform the automatic calibration to correct variations in image density Refer to procedure 2 described in 3 1 To Maintain a Steady Color Balance After exercising the automatic calibration print and check the print image quality If further image quality adjustments are still necessary use the next procedure 3 2 e STUDIO281 351 c 451 c 3 Printer specific Adjustments Mac This adjustment will have an effect only on full color printing M 4 Enter adjustment mode 05 Change the values for codes 1010 to 1041 to adjust the color density e Adjust the values for the 05 codes corresponding to the print options to be applied PDL Resolution and Halftone Ex When printing on Windows is performed with the following options selected PCL5c 600 x 600 Image Quality Type General Halftone Auto Smooth gt Change the values for Y 05 1026 M 05 1027 C 05 1028 and K 05 1029 When printing on Macintosh is performed with the following option selected Color High res 1200 x 600 Photo Halftone Smooth gt
163. t is performed by the service technician only ET 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 Original mode 05 code Value recommended Acceptable Default value range Set a value smaller than 128 Black to decrease the density 0 to 255 128 Set a value larger than 128 to increase the density Set the value in increments of approximately 20 while checking the scanned in image until the optimum value is obtained The subcode varies according to the area for which the density is adjusted Refer to the table below and set the subcode for the area to be adjusted Area for the density to be adjusted pO Low densityarea Medium density area High density area Gradation in Black mode will significantly vary if the medium density area is mainly adjusted But remember that adjusting the low or high density area will rarely affect the gradation in Black mode L Cautions after the completion of the adjustment Nothing in particular e STUDIO281 351c 451c 5 7 Imaging Manual f svupio281c 351c 45Ic TOSHIBA TEC CORPORATION ny names and product names in this manual are the trademarks or registered rks of their respective companies
164. t 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 effectiveness of the adjustment restore the settings made in the previously used procedure to the original Then perform the next procedure Procedures 1 and 2 are used by the service technician and by the user Procedure 3 1s used by the service technician only 2 8 e STUDIO281 351 c 451 c 2 Copier specific Adjustments Bl 1 Press the BASIC button on the Control Panel and select the original mode option as follows e To copy in Full color mode Select the Printed image mode option e To copy in Black mode Select the Photo mode option To have the above original mode options selected by default use the following procedures To change default original mode on the Control Panel Use steps a to d to change default original mode a Press the USER FUNCTIONS button on the Control Panel to enter the User Functions menu b Press the USER button c Press the COPY button d In the ORIGINAL MODE FOR COLOR or BLACK option press the button corresponding to the desired original mode option To change default original mode in setting mode 08 Enter setting mode 08 Change the value for code 550 or 585 to change the original mode option which 1s selected by default at power on e In Black mode Value
165. t will be effective only 1f TEXT or PHOTO is initially selected from among the original mode options This adjustment will have an effect only on the image stored in Full color mode After changing original mode scan and store the original Then print and check the print image quality If further image quality adjustments are still necessary use the next procedure i ME 2 When scanning the original press the EDIT button on the Control Panel In the RESOLUTION option select a lower resolution option In the RESOLUTION option 200 dp1 is selected by default If moir occurs in a resolution of 200 dpi select a lower resolution option 100 dpi or 150 dpi This adjustment will have an effect only on the image stored in Full color mode or Gray scale mode After changing the resolution scan and store the original Then print and check the print image quality If you do not prefer to decrease a resolution or if moir still occurs even in a lower resolution use the next procedure WT Wy 3 Enter adjustment mode 05 Change the values for codes 1086 to 1088 and for 843 to adjust the sharpness intensity in the scanning functions This adjustment will have an effect only on the image stored in Full color mode or Gray scale mode Snr mose onama mode 05 code Value recommended PRS Default value range 05 1086 Full color 05 1087 05 1088 Set a value smaller than 16 0 to 31 Grayscale
166. technician and by the user E 1 Mark the Distinguish Thin Line checkbox on the printer driver 3 8 e STUDIO281 351 c 451 c 3 Printer specific Adjustments For Windows Open the property page of the printer driver Mark the Distinguish Thin Lines checkbox in the Image Quality tab TOSHIBA e STUDIO451cSeriesPCL5c Properties Print Job Layout Effect Image Quality About Image Quality Type f General Photograph Presentation Line Art Halftone Resolution Brightness Graphics Saturation Profile Hone Save As Delete W Pure Gray Restore Default Restore Defauts 155 Black for All Texts I Smoothing e STUDIO281 351c 451c 3 8 3 8 3 Printer specific Adjustments For Macintosh Gir Open the print dialog box Mark the Distinguish Thin Line checkbox The menu to be selected varies according to the operating system Refer to the table below and select the Printing Modes gt Distinguish Thin Lines Print Mode gt Distinguish Thin Lines Printer e STUDIO4S le EL s Presets Standard H Print Mode HH Normal EJ 00000 Department Code Disabled _Do not Print Blank Pages Disabled HH Distinguiso Thin Lines Di i Distinguish T E Preview Save As PDF Fax Cancel Q Cautions after the completion of the adjustment Satisfactory results cannot be obtained after performing this adjustment on thin lines In
167. ter adjustment mode 05 Change the value for subcode 0 of code 434 to adjust the bottom margin on the back of the paper e The amount of change per step varies depending on the paper size e Long size A3 B4 LD LG The bottom margin will be increased by 0 042 mm per step e Short size A4 LT The bottom margin will be increased by 0 028 mm per step e Middle size A4 R LT R etc The bottom margin determined for the short size will be applied 05 code Value recommended OCEA EN Default value range UC 28 05 434 Set a value larger than the current 0 to 255 BUR 45 one to increase the bottom margin Others 45 Set the value in increments of approximately 12 while checking the copy image until the optimum value is obtained Set 0 for the subcode Setting 1 for the subcode allows you to adjust the right margin on the back in duplex copying but it is not necessary here Therefore never change the value for subcode 1 e After the adjustment make a double sided copy again with the platen cover or RADF opened and check the image at the trailing edge on the back of the paper If further image quality adjustments are still necessary repeat step b lt Hint gt Ifthe user is concerned regarding the image quality at the trailing edge on the back of the paper set a slightly wider bottom margin 3 to 4 mm If not it is recommended to set it to 2 to 3 mm 1 2 e STUDIO281 351 c 451 c 1 General Adjustments
168. ter colors with Test Print Pattern 64 05 64 2 Copier specific Adjustments 2 1 2 2 2 3 2 4 2 9 2 6 2 2 8 2 9 2 10 2 11 2 12 2 13 2 14 2 15 To Sharply Copy Light Text or Thin Lines To darken handwritten text or thin lines in the graphic image 2 1 1 To Adjust the Copy Image Quality in Black Mode 2 1 2 To Adjust the Copy Image Quality in Full Color Mode 2 1 3 To Adjust the Copy Image Quality in Auto Color Mode To Closely Match with the Color Balance of the Original To Improve the Reproducibility of Gray To Copy in Vivid Colors To Make the Pale Area of the Original Look Darker and Sharper To improve the highlight reproducibility To Eliminate the Background Color 2 6 1 To Adjust the Copy Image Quality in Black Mode 2 6 2 To Adjust the Copy Image Quality in Full Color Mode To Avoid Copying the Image Seen through the Back of the Page Printed on Thin Paper 2 1 To Adjust the Copy Image Quality in Black Mode 2 7 2 To Adjust the Copy Image Quality in Full Color Mode To Eliminate Moire To Copy Sharply To enhance sharpness To Make Photo Edges Look Softer To Make Solid Filled Bold Text Logo Highly Colored 2 11 1 To Adjust the Copy Image Quality of a Black Logo 2 11 2 To Adjust the Copy Image Quality of a Colored Logo To Sharply Contrast the Hues of Highlighters on the Copy To Obtain a Good Color Balance on Thick Paper To Obtain Smooth Gray scale Photo Images To Change the Threshold in Auto Color Mode
169. the adjustment Sales Conte Sales Contest Grand prize trip for two to the Cayman Islands Grand prize trip for two to the Cayman Islands The image density is too dark even when The image density in toner save mode is printing is performed in toner save mode adjustable as desired LJ Explanation The e STUDIO281c 351c 451c offers toner save mode It is intended to automatically decrease the image density and reduce the amount of toner used to print the output Adjust the upper limit of the image density in toner save mode in order to obtain the desired print density LJ Procedures All the adjustments are performed by the service technician only PcL5c PCL6 _Ps3 EED E 1 Change the value for an appropriate code in adjustment mode 05 to adjust the image density in toner save mode The 05 code to use varies depending on whether to adjust the image quality in full color printing or black and white printing Use either of the procedures below corresponding to the type of original to print 3 10 e STUDIO281c 351c 451c 3 Printer specific Adjustments To adjust the image quality in full color printing Automatic is selected from among the Color options on the PCL5c or PS3 printer driver Color is selected from among the Color Resolution Type options on the Macintosh printer driver The Color options are available in the Setup tab on the PCL5c and PS3 printer drivers The Color Resolution Typ
170. the background peak of range correction and lighten the copy image Increase the number of pixels to be identified as white by range correction e The code to use varies according to original mode Text Photo Photo or Text Adjust the value for the 05 code corresponding to the condition for which you would like to improve the image quality and increase the current value by 10 to 30 Original mode 05 code Value recommended Acceptable i value range Text Photo 05 532 Current value 10 or more 05 533 Current value 10 or more 0 to 255 05 534 Current value 10 or more After adjusting the background peak copy and check the copy image quality If further image quality adjustments are still necessary use the next procedure E 5 Enter adjustment mode 05 Change the values for codes 590 to 592 to adjust the gamma curve balance of the low and medium density areas mode value range Text Photo 05 590 05 591 Set a value smaller than 128 0 to 255 128 05 592 Set the value in increments of approximately 20 while checking the copy image until the optimum value is obtained Since the subcode varies according to the area for which the density is adjusted refer to the table below and set the appropriate subcode Remember that mainly adjusting the low or medium density area will change the copy density of the images seen through the back of the page Setting 2 for the subcode will allow you to adjust the
171. the laser optical unit and thoroughly clean it if it is soiled Q Cautions after the completion of the adjustment Switching image quality control mode will increase the warm up time by approximately 25 seconds at maximum immediately after the copier is turned on or returned from energy saving mode In addition it will increase the interval during which image quality control is performed This may possibly shorten the life of the consumables Pay special attention to these factors and perform the adjustment while checking the image quality LJ Remarks When replacing any consumable refer to the relevant information in the Service Manual and Service Handbook e STUDIO281 351c 451 1 3 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 date and time when copying or printing 1s performed or the type of job 4 4 e STUDIO281c 351c 451c 1 General Adjustments Copying Printing and e Filing Output from Box LJ 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 i
172. the original cover if it is soiled Otherwise the type of original cannot be accurately detected After specifying the original size and copy size copy and check the copy image quality If further image quality adjustments are still necessary the service technician must use the next procedure W 2 Enter adjustment mode 05 Change the values for codes 1675 1676 to adjust the threshold value in Auto color mode As the set value is increased the original will be more likely to be recognized as black and white On the other hand if the value is decreased it will be more likely to be recognized as full color Threshold to be adjusted 05 code Acceptable value range Threshold when an original is manually 05 1675 0 to 255 placed on the original glass Threshold when an original is placed on the original glass from the RADF MR 3018 ee ee a Set the value in increments of approximately 30 while checking the copy image until the optimum value is obtained L Cautions after the completion of the adjustment e When a non standard sized original is copied an area outside the original or the original cover may also be scanned This may prevent the original size from being accurately detected If the original cover is soiled the type of original cannot be accurately detected Therefore instruct the user to clean the original cover on a routine basis once a week e After the threshold in Auto color mode is adjuste
173. the upper limit of the image density in toner save mode Printing on Macintosh is performed in PostScript See the PS3 row in the table below 05 code Value recommended AEE NEL Default value range PCL5c PCL6 05 665 Set a value smaller than 176 to decrease the density 0 to 255 Set a value larger than 176 to PS3 05 664 increase the density Set the value in increments of approximately 10 while checking the printout until the optimum value is obtained Q Cautions after the completion of the adjustment The adjustment may possibly increase the amount of toner used if the image density is increased or cause the faint print image if the image density is decreased Therefore carefully perform the adjustment while checking the printout e STUDIO281c 351c 451c 3 40 3 11 3 Printer specific Adjustments 3 11 To Print Illegible Gray or Colored Text in Black Before the adjustment After the adjustment Example of configuration of a purification system pumped circulation type aquiciude aquiciude Gray text is illegible on the printout The gray text is printed in black This makes it more legible on the printout LJ Explanation Text may look illegible on the printout depending on the hues of a background and text contained in the original particularly when printing the original containing yellow light blue or gray text in the light colored background In addition when a full color original is printed
174. this case it is recommended that the adjustment described in 3 7 To Clearly Print Light colored Thin Lines or Text be made at the same time e STUDIO281 351 c 451 c 3 Printer specific Adjustments 3 9 To Decrease the Image Density and Save Toner To Print in Toner Save Mode Before the adjustment After the adjustment Sales Contest Sales Contest rm vs i i 5 and powdery sand ae amp wwwt you NS ay TO I s Grand prize trip for two to the Cayman Islands Grand prize trip for two to the Cayman Islands Default printing Printing is performed while the toner is being saved LJ Explanation The e STUDIO281c 351c 451c offers toner save mode It is intended to automatically decrease the image density and reduce the amount of toner used to print the output Change the printer driver setting and print in toner save mode for instance if a large number of copies have to be printed or if the image density is too high LJ Procedure The adjustment is performed by the service technician and by the user E 1 Enable toner save mode on the printer driver e STUDIO281 351c 451 3 9 3 Printer specific Adjustments For Windows Open the property page of the printer driver Mark the Toner Save checkbox in the Effect tab TOSHIBA e STUDIO451cSeriesPCL5c Properties Setup Print Job Layout Effect mage Quality About Watermark None Add Edit Print on First
175. tment in Gray scale mode Set the value in increments of approximately 20 The background density in Full color mode code 05 1070 1071 or 1072 will become the highest if 0 is set On the other hand it will become the lowest if 50 is set Changing the value will also change the background density in Full color mode when the Background Adjustment indicator is set to the center Then if the background density of the center value is changed each step of the indicator will be changed accordingly For instance if the center value is increased by 5 lighter the value of each step of the indicator will also be increased by 5 lighter The background density in Gray scale mode 05 848 will become the lowest if 0 is set On the other hand it will become the highest if 255 is set Changing the value will also change the background density in Gray scale mode when the Background Adjustment indicator is set to the center Each step of the background density indicator will be changed based on the values for codes 05 853 and 858 They are intended to adjust the amount of change in the output background density per step defined in manual density mode Q Cautions after the completion of the adjustment The adjustment may possibly diminish the quality of the light colored image Therefore carefully perform the adjustment while checking the scanned in image LJ Remarks When scanning the original use the following steps t
176. tterns in the table below Paper No of copies 05 code Test print pattern fo be printed 05 62 Grid pattern for identifying out of register colors A3 LD 05 64 Test print pattern 64 block pattern A3 LD Use code 05 62 The grid pattern will be printed on the entire copy with all toner colors C M Y and K overlaid Check the printed grid pattern or whether the toner colors are accurately overlaid to discover out of register colors on the entire copy Jot down a page number and paper feeding direction on the printed test print pattern beforehand This facilitates identifying out of register colors in the subsequent adjustment M I 2 Enter adjustment mode 05 Change the values for codes 417 and 418 to correct out of register colors e Align 3 toner colors Y C and K with magenta M First change the value for code 05 417 and correct out of register colors on the first page of the test print pattern Next print out the 2 copies of test print pattern again Change the value for code 05 418 and correct out of register colors on the second page 05 code Value recommended Acceptable value range Y yellow A 05 417 125 to 131 118 to 138 C cyan A K black M magenta 125 to 131 118 to 138 C cyan l K black Lo If the set value is increased by 1 the print position of the color will be shifted for 0 0423 mm toward the trailing edge of the paper For instance if the value for code
177. ues for codes 1075 to 1077 to adjust the black density of a scanned in image Color mode Original mode 05 code Value recommended pO Default value range 05 1075 Full color 05 1076 l 0 to 4 05 1077 Setting 0 provides the lightest black while setting 4 the darkest Cautions after the completion of the adjustment The adjustment may possibly cause the background color to become too dark Therefore carefully perform the adjustment while checking the scanned in image e STUDIO281 c 351 c 451 c 5 6 5 7 5 Scanning specific Adjustments 5 7 To Scan the Original with the Desired Gradation Before the adjustment DEMONSTRATION Photo Mode The image is scanned with natural gradation Default scanning After the adjustment After the adjustment DANON KIT OON KIT Photo Mode Gradation is decreased Gradation is increased LJ Explanation When an original is scanned in Black mode or Gray scale mode the reproducibility of halftones gradation can be adjusted by changing the scan density on an area basis low medium and high density areas Adjust the gamma curve balance in order to change the gradation in accordance with the type of original or at a user s request This adjustment will have an effect only on the image scanned in Black mode or Gray scale mode e STUDIO281c 351c 451c 5 Scanning specific Adjustments LJ Procedure The adjustmen
178. uld like to change the color balance or darkness of the printout and reproducibility of halftones in accordance to a type of original or the user s requirement change the Image Quality Type setting on the printer driver or adjust the color balance Q Procedures Perform the adjustment in accordance with the procedures below Procedures 1 and 3 are used by the service technician and by the user Procedures 2 and 4 are used by the service technician only e STUDIO281 351 c 451 c 3 Printer specific Adjustments Wj 1 Change the Image Quality Type setting This adjustment will be effective only if print out a file created on a general application such as Microsoft Office in PostScript PS3 or Macintosh Please be careful that it may not be effective if you print out a file created on a graphic application e g Illustrator or a DTP application e g QuarkXPress or PDF file created on these applications using the toner colors C M Y and K Unmark Use PostScript Passthrough in the PostScript Setting options in the Effect tab The Image Quality Type setting will be effective if printing on Windows PS3 is performed but not on Macintosh or if you print out a file created on the above applications However the color balance may be changed and also the image quality may be diminished depending on the type of file For Windows PCL5c This adjustment will be effective only if Automatic is sele
179. using File Downloader or the TWAIN driver it is converted into RGB data or optimized for displaying on the computer monitor The RGB data is not suitable for printing on paper Therefore if it is printed out the image quality may be diminished Therefore it should be printed out directly from the e Filing box rather than downloaded to the PC in order to obtain the fine printout Please remember that the e Filing functions are available only on the Windows platform but not on the Macintosh or UNIX platform LJ Procedure The adjustment is performed by the service technician and by the user Copy to Box _ Print to Box _ E I ME WZ 1 Print out the image stored in the e Filing box on the Control Panel or using the e Filing Web utility For further information regarding how to print it out refer to the following documents e To print it out on the Control Panel Operator s Manual for Basic Function e To print it out using the e Filing Web utility e Filing Guide lt Note gt Fax to Box To finely print out the original scanned or faxed and stored in the e Filing box Scan to Box or Fax to Box download it to the client PC first select the desired Image Quality Type option on the printer driver and print it out rather than print it out directly from the e Filing box For further information regarding how to print color images stored using the scanning function refer to 4 9 To Finely Print Color Images Stored thr
180. value smaller than 16 0 to 31 05 1741 Text Photo 05 1757 Seta value smaller than 16 Oto31 0 Setting 1 provides the softest image while setting 31 provides the sharpest image The default value 0 provides an image as sharp as the one provided by setting 16 Changing the values for these codes will change the sharpness intensity when the Sharpness indicator in the IMAGE menu is set to the center Remember that 1 step of the indicator will increase or decrease the sharpness intensity by 3 If the sharpness intensity of the center value is changed each step of the indicator will be changed accordingly For instance if the center value is increased by 5 sharper the value of each step of the indicator will also be increased by 5 sharper lt Note gt Minimizing the edges of the copy image and Sharpening the copy image are mutually contradictory When the adjustment is performed to minimize the edges the resolution of the copy image may decrease After decreasing the sharpness intensity copy and check the copy image quality If further image quality adjustments are still necessary use the next procedure NW 4 Enter adjustment mode 05 Change the values for codes 1630 to 1633 to adjust the maximum color density of text Soke We 05 code Value recommended KESA adjusted value range Yelow Set a value larger than 5 to 05 1631 increase the density Magenta z 0 to 10 05 1632 Set
181. ve humidity varies Invalid Valid Mode 1 default Valid Mode 2 e After switching to mode 2 forcibly perform image quality control as follows Enter adjustment mode 05 Select code 395 Press the START button e STUDIO281 351c 451c 4 4 1 General Adjustments Copying Printing and e Filing Output from Box A very small number of copies are output approx one co er hour Use steps a to b and perform the adjustment of image quality control a Change the value for 08 571 within the range from 1 to 3 to reduce the waiting period until image quality control is performed When a copy or print job is initiated if the waiting period until image quality control is performed has already elapsed image quality control is performed first Then a copy or print job will be performed Value for 08 571 Waiting period until image quality control is performed l to 3 1 to 3 hours 4 hours default b Change the value for code 08 566 to 2 to place image quality control in mode 2 It is intended to increase the interval during which image quality control is performed Value for 08 566 Image quality control when the specified waiting period has already elapsed tig Invalid Valid Mode 1 default Valid Mode 2 e After switching to mode 2 forcibly perform image quality control as follows Enter adjustment mode 05 Select code 395 Press the START button A large number of sheets
182. vivid colors Q 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 effectiveness of the adjustment restore the settings made in the previously used procedure to the original Then perform the next procedure Procedures 1 and 2 are used by the service technician and by the user Procedure 3 is used by the service technician only Mf 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 If further image quality adjustments are still necessary use the next procedure i 2 Perform the color balance adjustment or RGB adjustment to adjust the hue For further information regarding the adjustment procedures refer to procedure 3 in 2 2 To Closely Match with the Color Balance of the Original After adjusting the hue copy and check the copy image quality If further image quality adjustments are still necessary the service technician must use the next procedure 24 e STUDIO281c 351c 451c 2 Copier specific Adjustments i HW 3 Enter adjustment mode 05 Change the values for codes 1779 to 1798 to adjust the color density Soor vole Original mode 05 code Subcode Value re
183. will affect the copy image quality in Full color mode and Auto color mode The subcode varies according to the area for which the density is adjusted Refer to the table below and set the subcode for the area to be adjusted Area for the density to be adjusted Medium density area High density area L Cautions after the completion of the adjustment The adjustment may possibly cause offset failure particularly when the highly colored original is copied in Photo mode Also it may cause degradation in the color reproducibility Excessively enhancing the tint of black makes other colors such as skin tones look dull Therefore carefully perform the adjustment while checking the copy image LJ Remarks Enter the value within the recommended value range mentioned in the procedures Otherwise it may cause a loss in copier performance including degradation in the image quality and reduction in the life of the consumables e STUDIO281 351c 451 2 3 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 vividness is missing on the copy image LJ Explanation When a copy is made without any adjustments vividness may be missing on the copy image Perform the hue adjustment color balance adjustment or RGB adjustment and color density adjustment in order to obtain a copy image in
184. will disappear k The message Is a result made to reflect will appear Press the YES button Automatic calibration correction will be applied to printing performed under the following conditions correction yon PCLSe On Autom Windows Pee o l Mono Not applied Color Automatic Not applied Applied Applied Color Resolution Type Mono Not applied Macintoshi Color Resolution Type Color The 1200 x 600 button will be displayed provided that the optional GC 1181 and GC 1230 expansion memories are installed Repeat the above steps to correct the resolution of the PDL PS3 or PCL emulation if necessary After performing the automatic calibration print and check the image quality If further image quality adjustments are still necessary use the next procedure e STUDIO281 351 c 451 c 1 General Adjustments Copying Printing and e Filing Output from Box E UI P G Enter adjustment mode 05 Change the values for codes 234 236 237 238 239 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 e The code to use varies according to a type of paper used Adjust the value for the 05 code corresponding to the paper type for which you would like to improve the image quality Set the value within a range of 2 to 8 to obtain the highest density of the image Value Acceptable Plain Bac
185. xt Photos and Graphics Before the adjustment After the adjustment Photo area y I Photo area Text area gt M x ons Text area TOSHIBA TOSHIBA How gray is reproduced varies depending on All toner colors are used to reproduce gray the type of original As a result there are As aresult consistency is maintained in the variations in gray gray hue Explanation For printing only the K toner is usually used to reproduce gray areas of drawing data lines and text On the other hand all toner colors C M Y and K are used to reproduce gray areas of image data such as BMP GIF JPEG and TIFF This provides deeper gray on the printout This provides deeper gray on the printout Change the printer driver settings in order to maintain consistency in the gray hue between the drawing data and image data e STUDIO281 351 c 451 c 3 Printer specific Adjustments LJ Procedure The adjustment is performed by the service technician and by the user i 1 Change the Pure Gray setting on the printer driver Pure Gray allows gray areas to always be reproduced using all toner colors C M Y and K without changing the hue of color areas This adjustment will be effective only if you print out a file created on a general application such as Microsoft Office Please be careful that it may not be effective if you print out a file or PDF file created on a graphic application e g Illustrator or a DTP application e g
186. y Type option such as Photograph or when Mono is selected from among the Color options LJ Remarks The brightness adjustment does not affect black text CMY 100 K 100 or RGB 0 e STUDIO281 351c 451c 3 5 3 6 3 Printer specific Adjustments 3 6 To Easily Adjust the Overall Saturation Before the adjustment A m T AEN m ARE ant pr ap The image is printed with a natural saturation Default printing After the adjustment The saturation is decreased The saturation is increased LJ Explanation The saturation of the print image can be easily adjusted by changing Saturation setting on the printer driver This adjustment will have an effect only on printing on the PCL5c emulation printer driver This adjustment cannot be performed on the Macintosh printer driver e STUDIO281 351 c 451 c 3 Printer specific Adjustments L Procedure The adjustment is performed by the service technician and by the user This adjustment will have an effect only on full color printing Wf 1 Open the property page of the printer driver Adjust Saturation in the Image Quality tab e Select the desired value for brightness within a range between 100 Least clear and 100 Clearest TOSHIBA e STUDIO451cSeriesPCL5c Properties Setup Print Job Layout Effect Image Quality About Image Quality Type f General f Photograph C Presentation C Line Art H alftore
187. y copying in Full color mode lt Note gt 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 After adjusting the background density copy and check the copy image quality If further image quality adjustments are still necessary use the next procedure 2 6 e STUDIO281 c 351 c 451 c 2 Copier specific Adjustments i 3 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 Moir LJ Cautions after the completion of the adjustment The adjustment may possibly cause the highlighted area to become less visible on the copy Therefore carefully perform the adjustment while checking the copy image LJ Remarks Enter the value within the recommended value range mentioned in the procedures Otherwise it may cause a loss in copier performance including degradation in the image quality e STUDIO281 351c 451 2 6 2 7 2 Copier specific Adjustments 2 7 To Avoid Copying the Image Seen through the Back of the Page Printed on Thin Paper Original printed on thin paper front Original printed on thin paper back After the adjust

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