Kodak 8657 THERMAL PRINTER - CALIBRATION UTILITY GUIDE User Manual Download

Page: 130 / 132

Summary of Contents for 8657 THERMAL PRINTER - CALIBRATION UTILITY GUIDE

Page 1: ...Part No 1H9659 KODAK Digital Sciencet Calibration Utility User s Guide for MICROSOFT WINDOWS and MACINTOSH...

Page 2: ......

Page 3: ...Cal to Calibrate Your Printer 1 6 Easy Cal Step 1 1 7 Easy Cal Step 2 1 8 Easy Cal Step 3 1 10 Easy Cal Step 4 1 12 Easy Cal Step 5 1 14 Using Normal Utility to Calibrate Your Printer 1 16 Setting Pr...

Page 4: ...ng the Calibration Utility 2 3 Using Easy Cal to Calibrate Your Printer 2 4 Easy Cal Step 1 2 5 Easy Cal Step 2 2 7 Easy Cal Step 3 2 9 Easy Cal Step 4 2 11 Easy Cal Step 5 2 12 Using Normal Utility t...

Page 5: ...ion Document Window 2 48 Appendix A Kodak XLS 8600 and Kodak DS 8650 Printers Ribbon Media Choices A 1 Printer Ribbons V1 0 A 2 Printer Ribbons V1 5 A 3 Using the Calibration Utility to Download Defau...

Page 6: ......

Page 7: ...and save calibration tables enter measurement information from a test print and calculate a new calibration table The calibration test prints are key to the Calibration Utility The new calibration ta...

Page 8: ......

Page 9: ...lling the calibration utility System Requirements Recommended System Configuration D 486 or Pentium processor D MS DOS version 6 22 or later D Microsoft Windows for Workgroups 3 11 or Windows 95 D 16...

Page 10: ...ctions that appear on the screen When the installation is complete a confirmation box appears 6 Click on the Continue button Windows restarts A new group named Kodak Calibration Utility appears in the...

Page 11: ...ak Calibration Utility window opens 2 Double click on the Kodak DS Calibration Utility icon A splash screen appears then the Calibration Utility selection dialog appears NOTE If this is the first time...

Page 12: ...to appear when you start up the Calibration Utility select the Show Easy Cal selection screen at start up check box in the Preferences dialog box For more information about the options in the Prefere...

Page 13: ...on Utility selection dialog appearing each time you start the Calibration Utility select the check box labeled At start up launch normal utility and don t show this screen The corresponding check box...

Page 14: ...Visual Gray Balance calibration NOTE The Easy Cal calibration procedure cannot be used to calibrate a printer that is using black only ribbon When you click on the Begin Easy Cal button in the Calibr...

Page 15: ...Step 2 1 Select a printer on the Printer Model drop down list NOTE If there are no printers on the Printer Model drop down list or the printer you want to calibrate does not appear on the list you mus...

Page 16: ...e printer 5 Click on the Next button The Easy Cal Step 2 dialog box appears Easy Cal Step 2 The Easy Cal Step 2 dialog box allows you to specify a different printer to calibrate than the one that appe...

Page 17: ...inter export module If this is the first time that the Calibration Utility has been run or if the Preferences files have been deleted you must locate an export module folder At this time some export m...

Page 18: ...a different printer media to calibrate than the one that appears in the Printer Setup box 1 Make sure that the paper and media types for which you want to calibrate are loaded in the printer NOTE If...

Page 19: ...on dialog box appears NOTE Your Printer Setup for Calibration dialog box may appear different depending on your printer export module 3 Make any necessary changes in the Printer Setup for Calibration...

Page 20: ...ation that will be used for the test print that is created in this step NOTE If the Easy Cal Step 4 dialog box does not contain printer and printer setup information click on the Back button and click...

Page 21: ...s table is overwritten The Send and Print dialog box appears NOTE Your Send and Print dialog box may appear different depending on your printer export module 3 Click on the Print button Your computer...

Page 22: ...urn to the Easy Cal Step 4 dialog box 2 Type the number of the most neutral grayscale cluster in the Cluster Number text box NOTE If you want to print an updated test print you can click on the Back b...

Page 23: ...e click on the Proceed button to access a document window Refer to Using the Calibration Document Window on page 1 28 Saving Your Calibration Table You may want to save the calibration table you just...

Page 24: ...p and the Calibration Utility window opens NOTE If this is the first time that the Calibration Utility has been run or if there are no printers on the Select Printer drop down list or if the Preferenc...

Page 25: ...box appears 2 Click on the Select button next to Printer Export Modules Folder A selection box appears 3 Find and open the folder in which the export module is located 4 Click on the OK button You ret...

Page 26: ...Choose Select Printer and highlight the printer you want to calibrate 3 Pull down the Printer menu and choose Printer Setup The Printer Setup for Calibration dialog box appears NOTE The Printer Setup...

Page 27: ...pear in the Printer Setup box if you have not first used the Printer menu s Printer Setup option If the correct paper and media types do not appear refer to the previous section Selecting and Setting...

Page 28: ...rinter s Current Calibration Table as the Starting Point on this page D Use Printer s Default Table uses the printer s default table refer to Using the Printer s Default Calibration Table as the Start...

Page 29: ...Calibration Utility for MICROSOFT WINDOWS 1 21 Part No 1H9659 September 1997 A Calibration Document window appears 3 Go to Using the Calibration Document Window on page 1 28...

Page 30: ...659 Using the Printer s Default Calibration Table as the Starting Point 1 Select the Use Printer s Default Table radio button in the Starting Point box 2 Click on the OK button A Calibration Document...

Page 31: ...ation Utility for the first time no calibration tables exist yet for use as a starting point The table you select to use as a starting point does not contain printer setup information Follow the instr...

Page 32: ...o the paper and media types specified when the table was created You cannot select documents for the incorrect paper and ribbon type The files you can select are files created by the Calibration Utili...

Page 33: ...Calibration Utility for MICROSOFT WINDOWS 1 25 Part No 1H9659 September 1997 A Calibration Document window appears 7 Go to Using the Calibration Document Window on page 1 28...

Page 34: ...59 Opening an Existing Calibration Table 1 Pull down the File menu and select Open A file selection dialog box appears 2 Find and open the directory that contains the calibration table you want to use...

Page 35: ...Calibration Utility for MICROSOFT WINDOWS 1 27 Part No 1H9659 September 1997 A Calibration Document window appears 5 Go to Using the Calibration Document Window on page 1 28...

Page 36: ...use 2 Type information about the printer you are calibrating in the Printer Description text box 3 Type information about the media combination for which you are calibrating in the Media Description...

Page 37: ...a neutral gray The Calibration Utility allows you to select from three Visual Gray Balance calibration prints Each of these prints presents 49 numbered grayscale clusters Each cluster is made up of fo...

Page 38: ...calibration print to get more choices within a smaller range of colors Normal offers a moderate degree of difference between clusters The amount of correction in this print is appropriate for most cal...

Page 39: ...659 September 1997 4 Click on the OK button You return to the Calibration Document window 5 Click on the Send Print button The Send and Print dialog box appears NOTE Your Send and Print dialog box may...

Page 40: ...e which cluster appears the most neutral If the Visual Gray Balance most neutral cluster number on the test print ends in 25 the printer is already calibrated You should now perform a Visual Linearity...

Page 41: ...9 September 1997 The Input Test Print Values dialog box appears 9 Type the number of the most neutral cluster in the Cluster Number box 10 Click on the Recompute the Table button The calibration table...

Page 42: ...ration print A confirmation box appears 12 Click on the Send button The recomputed table is sent to the printer and the following message appears 13 Click on the OK button The calibration table is com...

Page 43: ...eference Card for performing Visual Linearity calibrations Following are instructions for using the Reference Card 1 Lay the Linearity Reference Card with the name at the top on the first row of the c...

Page 44: ...fter you have run a calibration using the Visual Gray Balance option use the Visual Linearity option to recompute the current calibration table using values from the test print 1 Pull down the Calibra...

Page 45: ...997 The Send and Print dialog box opens NOTE Your Send and Print dialog box may appear different depending on your printer export module 3 Click on the Print button You return to the Calibration Docum...

Page 46: ...he Calibration Utility If the Visual Linearity numbers on the test print are not all box number 5 you must recalibrate the printer Go to step 5 5 Click on the Input button The Input Test Print Values...

Page 47: ...Prints CMY K example from a Kodak XLS 8600 Printer or Kodak Digital Sciencet8650 Printer Separations Densitometer Prints example from a Kodak Digital Sciencet DCP 9000 Printer CMYK CMY K NOTE Separati...

Page 48: ...sual Linearity calibrations 1 Set up your densitometer 2 Pull down the Calibration menu and select Densitometer 3 Pull down the Calibration menu and select Setup Densitometer The Calibration Setup Den...

Page 49: ...1 Part No 1H9659 September 1997 You return to the Calibration Document window 7 Click on the Send Print button The Send and Print dialog box appears NOTE Your Send and Print dialog box may appear diff...

Page 50: ...42 September 1997 Part No 1H9659 8 Click on the Print button You return to the Calibration Document window The calibration test print is printed on the specified printer 9 Click on the Input button Th...

Page 51: ...9 Move from cell to cell using your keyboard s arrow keys You can copy and paste any group of contiguous fields in a rectangular pattern 10 Type the test print values in the text boxes NOTE You can im...

Page 52: ...End of Field Character specify the end of field character used in your densitometer file space comma tab CR carriage return CR LF carriage return line feed LF line feed and Semi colon End of Record Ch...

Page 53: ...e characters that indicate the selected media types Saving a document this way allows you to select it later to use as a starting point for a new calibration document Save As accesses a dialog box in...

Page 54: ...Calibration Menu The Calibration menu is enabled when a Calibration Document window is open You can choose to calibrate based on your input to the Visual Gray Balance Visual Linearity and Densitometer...

Page 55: ...egree of difference in neutrals between the cluster in the upper left corner and the cluster in the lower right corner The cluster in the upper left corner is somewhat green and the cluster in the low...

Page 56: ...dio buttons allow you to specify what type of density data Status A or Status T your densitometer provides The Calibration Utility calculates the table data using the density type that the export modu...

Page 57: ...Printer Setup the Printer Setup for Calibration dialog box appears so you can make changes for the selected printer Easy Cal Menu The Easy Cal menu allows you to start the Easy Cal calibration proced...

Page 58: ...to create a new calibration table Printer Setup The Printer Setup box lists information about the ribbon and paper type for which the printer will be calibrated Click on the Change Setup button to ch...

Page 59: ...arting point Use Printer s Default Table default printer data acts as the starting point for the new calibration document Copy Table from File the calibration table you select with the Select File but...

Page 60: ...bration Document Window The Calibration Document window allows you to specify information about the calibration table Printer Setup Information The Printer Setup Information box lists information abou...

Page 61: ...table will be used The text you enter is used to help describe the specifics of a particular calibration table This text is not printed on the test print An entry is optional Use the Edit menu when y...

Page 62: ......

Page 63: ...environment Installation See the Read Me for instructions for installing the calibration utility System Requirements Recommended System Configuration D 68040 or PowerPC processor D APPLE System 7 5 D...

Page 64: ...ges and information 3 Open a folder on your hard drive in which you want to place the Calibration Utility 4 Double click on the icon to open it 5 Select the Kodak DS Calibration Utility folder and dra...

Page 65: ...al Utility to Calibrate Your Printer on page 2 14 NOTE If you want to go directly to Normal Utility without the Calibration Utility selection dialog appearing each time you start the Calibration Utili...

Page 66: ...ual Gray Balance calibration NOTE The Easy Cal calibration procedure cannot be used to calibrate a printer that is using black only ribbon When you click on the Begin Easy Cal button in the Calibratio...

Page 67: ...dialog box and go to Easy Cal Step 2 1 Select a printer on the Printer Model menu NOTE If there are no printers on the Printer Model menu or the printer you want to calibrate does not appear on the m...

Page 68: ...tains the export module 4 Select the export module you want to use 5 Click on Open button You return to the Easy Cal Step 1 dialog box The Calibration Utility now can find and use the export module so...

Page 69: ...ext button in the Easy Cal Step 2 dialog box and go to Easy Cal Step 3 1 Click on the Select Printer button The Select Printer dialog box appears NOTE Your Select Printer dialog box may appear differe...

Page 70: ...Calibration Utility for MACINTOSH 2 8 September 1997 Part No 1H9659 You return to the Easy Cal Step 2 dialog box 4 Click on the Next button The Easy Cal Step 3 dialog box appears...

Page 71: ...d media types for which you want to calibrate are loaded in the printer NOTE If you do not need to specify a different printer media you can ignore the following steps and click on the Next button in...

Page 72: ...ptember 1997 Part No 1H9659 3 Make any necessary changes in the Printer Setup for Calibration dialog box 4 Click on the OK button You return to the Easy Cal Step 3 dialog box 5 Click on the Next butto...

Page 73: ...ter setup information click on the Back button and click on the Change Setup button 1 Make sure that the Printer and Printer Setup information is correct NOTE Clicking on the Next button sends the def...

Page 74: ...ter The Easy Cal Step 5 dialog box appears Easy Cal Step 5 Use the test print to calibrate your printer in the Easy Cal Step 5 dialog box 1 Look at the test print and decide which grayscale cluster ap...

Page 75: ...ng D If you do not want to make another test print and you do not want to save the calibration table click on the Quit button to quit the Calibration Utility or D If you want to save the calibration t...

Page 76: ...nd the Printer Calibration Utility window opens NOTE If this is the first time that the Calibration Utility has been run or if there are no printers on the Select Printer menu or if the Preferences fi...

Page 77: ...ick on the Select button next to Printer Export Modules Folder A file selection dialog box appears 3 Find and open the folder in which the export module is located 4 Click on the OK button You return...

Page 78: ...se Select Printer and highlight the printer you want to calibrate 3 Pull down the Printer menu and choose Printer Setup The Printer Setup for Calibration dialog box appears NOTE The Printer Setup for...

Page 79: ...in the Printer Setup box if you have not first used the Printer menu s Printer Setup option If the correct paper and media types do not appear refer to the previous section Selecting and Setting Up a...

Page 80: ...er s Current Calibration Table as the Starting Point on this page D Use Printer s Default Table uses the printer s default table refer to Using the Printer s Default Calibration Table as the Starting...

Page 81: ...Calibration Utility for MACINTOSH 2 19 Part No 1H9659 September 1997 A Calibration Document window appears 3 Go to Using the Calibration Document Window on page 2 24...

Page 82: ...Using the Printer s Default Calibration Table as the Starting Point 1 Select the Use Printer s Default Table radio button in the Starting Point box 2 Click on the OK button A Calibration Document wind...

Page 83: ...oint The table you select to use as a starting point does not contain printer setup information Follow the instructions in Selecting and Setting Up a Printer on page 2 16 to specify information about...

Page 84: ...iles you can select are files created by the Calibration Utility or any file that has a kcu extension However you can only choose tables that are configured for that particular printer and media 5 Cli...

Page 85: ...n the File menu and select Open A file selection dialog box appears 2 Find and open the folder that contains the calibration table you want to use 3 Select the calibration table you want to use 4 Clic...

Page 86: ...2 Type information about the printer you are calibrating in the Printer Description text box 3 Type information about the media combination for which you are calibrating in the Media Description text...

Page 87: ...utral gray The Calibration Utility allows you to select from three Visual Gray Balance calibration prints Each of these prints presents 49 numbered grayscale clusters Each cluster is made up of four b...

Page 88: ...tion print to get more choices within a smaller range of colors Normal offers a moderate degree of difference between clusters The amount of correction in this print will be appropriate for most calib...

Page 89: ...September 1997 4 Click on the OK button You return to the Calibration Document window 5 Click on the Send Print button The Send and Print dialog box appears NOTE Your Send and Print dialog box may app...

Page 90: ...ich cluster appears the most neutral If the Visual Gray Balance most neutral cluster number on the test print ends in 25 the printer is already calibrated You should now perform a Visual Linearity cal...

Page 91: ...ptember 1997 The Input Test Print Values dialog box appears 9 Type the number of the most neutral cluster in the Cluster Number box 10 Click on the Recompute the Table button The calibration table dat...

Page 92: ...on print A confirmation box appears 12 Click on the Send button The recomputed table is sent to the printer and the following message appears 13 Click on the OK button The calibration table is compute...

Page 93: ...ence Card for performing Visual Linearity calibrations Following are instructions for using the Reference Card 1 Lay the Linearity Reference Card with the name at the top on the first row of the calib...

Page 94: ...se the Visual Linearity option to recompute the current calibration table using values from the test print 1 Pull down the Calibration menu and select Visual Linearity You return to the Calibration Do...

Page 95: ...earity Reference Card to select a box number for each of the six density ranges If all of the Visual Linearity numbers on the test print are box number 5 the printer is already calibrated You can clos...

Page 96: ...pe in the values you select from the test print in the text boxes 7 Click on the Recompute the Table button The calibration table is computed using the specified values and the Calibration Document wi...

Page 97: ...ts CMY K example from a Kodak XLS 8600 Printer or Kodak Digital Sciencet8650 Printer Separations Densitometer Prints example from a Kodak Digital Sciencet DCP 9000 Printer CMYK CMY K NOTE Separation p...

Page 98: ...Linearity calibrations 1 Set up your densitometer 2 Pull down the Calibration menu and select Densitometer 3 Pull down the Calibration menu and select Setup Densitometer The Calibration Setup Densito...

Page 99: ...7 Part No 1H9659 September 1997 You return to the Calibration Document window 7 Click on the Send Print button The Send and Print dialog box appears NOTE Your Send and Print dialog box may appear diff...

Page 100: ...eptember 1997 Part No 1H9659 8 Click on the Print button You return to the Calibration Document window The calibration test print is printed on the specified printer 9 Click on the Input button The In...

Page 101: ...ve from cell to cell using your keyboard s arrow keys You can copy and paste any group of contiguous fields in a rectangular pattern 10 Type the test print values in the text boxes NOTE You can import...

Page 102: ...of Field Character specify the end of field character used in your densitometer file space comma tab CR carriage return CR LF carriage return line feed LF line feed and Semi colon End of Record Charac...

Page 103: ...characters that indicate the selected media types Saving a document this way allows you to select it later to use as a starting point for a new calibration document Save As accesses a dialog box in w...

Page 104: ...bration Menu The Calibration menu is enabled when the Calibration Document window is open You can choose to calibrate based on your input to the Visual Gray Balance Visual Linearity and Densitometer d...

Page 105: ...between the cluster in the upper left corner and the cluster in the lower right corner The cluster in the upper left corner is somewhat green and the cluster in the lower right corner is somewhat mag...

Page 106: ...buttons allow you to specify what type of density data Status A or Status T your densitometer provides The Calibration Utility calculates the table data using the density type that the export module n...

Page 107: ...nter Setup the Printer Setup for Calibration dialog box appears so you can make changes for the selected printer Easy Cal Menu The Easy Cal menu allows you to start the Easy Cal calibration procedure...

Page 108: ...create a new calibration table Printer Setup The Printer Setup box lists information about the ribbon and paper type for which the printer will be calibrated Click on the Change Setup button to change...

Page 109: ...g point Use Printer s Default Table default printer data acts as the starting point for the new calibration document Copy Table from File the calibration table you select with the Select File button a...

Page 110: ...sts information about the printer type ribbon and paper type for which the printer will be calibrated Printer Description The Printer Description text box allows you to enter information that describe...

Page 111: ...the Edit menu when you enter text Calibration Tools Calibration Tools offers handling options for the calibration table Send Print sends the current calibration table to the printer A calibration prin...

Page 112: ......

Page 113: ...the tables on the following pages to determine which printer ribbon version V1 0 or V1 5 your printer is using Select the corresponding media file in the Printer Setup for Calibration Media File optio...

Page 114: ...925 5305 KODAK EKTATHERM XLS Oversize Three Color Ribbon XTRALIFE Media CMY 162 7298 6304 KODAK EKTATHERM XLS Oversize Three Color Ribbon CMY 871 5963 7304 KODAK EKTATHERM XLS Three Color Ribbon CMY 8...

Page 115: ...5306 KODAK EKTATHERM XLS Oversize Three Color Ribbon XTRALIFE Media V1 5 801 3716 8304 KODAK EKTATHERM XLS Oversize Three Color Ribbon CMY V1 5 821 4082 7305 KODAK EKTATHERM XLS Three Color Ribbon CM...

Page 116: ...ostScript Mode for PostScriptt language printing 1 Press the Setup Select button to enter Setup Mode 2 Press the Cancel Scroll down button until Mode appears 3 Press the Setup Select button 4 Press th...

Page 117: ...encet Calibration Utility on your particular system D On a system running Windows Pull down the File menu and select Run Type a setup enter NOTE Replace a in the above command with the appropriate dri...

Page 118: ...e drop down menu as specified in the above IMPORTANT note 12 Select or deselect the XtraLife check box in the Printer Setup for Calibration dialog box as specified for the media type that you are upda...

Page 119: ...vious page 21 Exit the Calibration Utility Your printer is now calibrated for the new media Calibrating Your Printer for V1 0 Ribbon To calibrate your printer for V1 0 printer ribbon follow the instru...

Page 120: ...ration tables D If your prints have a slight greenish hue you are using a V1 0 printer ribbon with V1 5 calibration tables Check the tables in this appendix to determine your printer ribbon version V1...

Page 121: ...g test print 1 14 to 1 15 2 12 to 2 13 Calibration Densitometer 1 39 to 1 44 2 35 to 2 40 running 1 40 to 1 43 2 36 to 2 39 menu option descriptions 1 46 to 1 48 2 42 to 2 44 Densitometer 1 48 2 44 Vi...

Page 122: ...using printer s current calibration table 1 20 to 1 21 2 18 to 2 19 using printer s default table 1 22 2 20 Calibration Document window option descriptions 1 52 to 1 53 2 48 to 2 49 using 1 28 2 24 C...

Page 123: ...est print 1 12 to 1 13 2 11 to 2 12 D Default calibration tables loading A 4 to A 7 sending to printer 1 12 1 13 2 11 Densitometer 1 17 1 48 2 15 2 44 calibration 1 39 to 1 44 2 35 to 2 40 running 1 4...

Page 124: ...ing up Macintosh systems 2 3 Windows 3 1x 1 3 Windows 95 1 5 Easy Cal Step 1 1 7 to 1 8 2 5 to 2 6 Easy Cal Step 2 1 8 to 1 10 2 7 to 2 8 Easy Cal Step 3 1 10 to 1 12 2 9 to 2 10 Easy Cal Step 4 1 12...

Page 125: ...v K Kodak DS 8650 Printer A 1 to A 8 ribbon media choices A 1 to A 3 V1 0 A 2 V1 5 A 3 Kodak XLS 8600 Printer A 1 to A 8 ribbon media choices A 1 to A 3 V1 0 A 2 V1 5 A 3 L Linearity Reference Card us...

Page 126: ...mber of Squares 1 48 2 44 O OK 1 51 2 47 Open 1 45 2 41 Opening existing calibration document 1 19 2 17 existing calibration table 1 16 2 14 Operating Calibration Utility Macintosh systems 2 3 to 2 40...

Page 127: ...Macintosh 2 35 to 2 40 Windows 1 39 to 1 44 Visual Gray Balance Macintosh 2 25 to 2 30 Windows 1 29 to 1 34 Visual Linearity Macintosh 2 31 to 2 34 Windows 1 35 to 1 38 Printer Description 1 53 2 48...

Page 128: ...tting preferences 1 17 2 15 Starting Calibration Utility in Windows 3 1x 1 3 to 1 4 in Windows 95 1 4 to 1 5 on Macintosh system 2 3 Starting Point 1 51 2 47 Copy Table from File 1 51 2 47 Read Curren...

Page 129: ...ation 1 6 1 29 to 1 34 2 4 2 25 to 2 30 running 1 30 to 1 34 2 26 to 2 30 printer calibration Macintosh 2 25 to 2 30 Windows 1 29 to 1 34 Visual Linearity 1 47 2 43 calibration 1 35 to 1 38 2 31 to 2...

Page 130: ......

Page 131: ......

Page 132: ...TMAN KODAK COMPANY Rochester New York 14653 USA Kodak Digital Science and the ds monogram symbol are trademarks of Eastman Kodak Company Part No 1H9659 9 97 E Eastman Kodak Company 1997 Printed in U S...

Search results

Summary of Contents for 8657 THERMAL PRINTER - CALIBRATION UTILITY GUIDE

Reviews:

Related manuals for 8657 THERMAL PRINTER - CALIBRATION UTILITY GUIDE

Brands by name

Popular brands

Kodak 8657 THERMAL PRINTER - CALIBRATION UTILITY GUIDE, User Manual

Search results

Summary of Contents for 8657 THERMAL PRINTER - CALIBRATION UTILITY GUIDE

Reviews:

Related manuals for 8657 THERMAL PRINTER - CALIBRATION UTILITY GUIDE

Brands by name

Popular brands