HP Scanjet 7450c HP Scanjet 7400C Series Scanner Windows - (English) User Manu - Page 129
Adjust Black & White Threshold command
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129 A About HP PrecisionScan Pro command 108 abrasive cleaners, avoiding 99 accessories using 65 accuracy, OCR 23 acquiring scans 63 active program, definition 114 adapter, transparency. See XPA ADF (automatic document feeder) capacity 96 cleaning 100 document specifications 7 feeding problems 96 jams, clearing 97 jams, preventing 96 loading 66 Scan dialog box 66 scanning from 66 troubleshooting 96 ADF window cleaning 101 replacing 102 Adjust Black & White Threshold command shortcuts 107 using 50 Adjust Color command shortcuts 107 using 49 Adjust Exposure command shortcuts 107 using 43, 44, 45 using for transparent items 73 adjusting backgrounds 47 black and white threshold 50 brightness 43 color channels 51 contrast 39 highlights 44 hue 49 midtones 43 output levels 47 Preferences for scanner buttons 24 preferences for scanning software 60 saturation 49 shadows 45 tonal resolution 62 Adobe Acrobat Reader 55 See also .pdf files Advanced menu, shortcuts for 107 alarms, highlight and shadow 46 alcohol, cleaning with 99, 100 alerts highlight 46 shadow 46 Smart Friends 32 aliasing, definition 114 anti-aliasing, definition 114 approximate size definition 114 files 110 areas, selecting automatic 61 using cursor 34 ASCII text, saving as 55 attaching files to e-mail 17 automatic cropping definition 114 settings 26 automatic document feeder. See ADF automatic exposure adjustment 61 automatic resolution 115 Automatically Set Type option 36 B backgrounds, adjusting 47 balance, color adjusting 49 definition 116 bed, scanner definition 125 printing entire 56 selecting entire 35 best quality settings 60 bit depth, definition 115 bitmap files (.bmp) definition 115 using 55 black and white bitmaps adjusting colors in 51 definition 115 shortcut for 107 black and white copies button for 16 making 20 black and white images inverting colors 42 output types for 36 black and white scalable definition 115 shortcut for 107 black and white threshold changing 50 definition 115 black areas, adjusting 45 black eyedropper tool 45 black images, troubleshooting 85 black output levels, changing 47 blank pages, troubleshooting 85, 87 blue color channel 51 .bmp files (bitmap) definition 115 using 55 books, scanning pages from 7 borders, selection 35 boxes around slides or negatives 88 around text 22 brightness adjusting 43 definition 115 bulbs, broken 88, 95 business cards, scanning 7 Button Manager, HP 82 Button Options dialog box 24 buttons. See scanner buttons C capacity, ADF 96 carbon paper, scanning 7 Change Resolution command shortcuts 107 using 38 changing. See adjusting characters, incorrect 89 checklist, troubleshooting 79 cleaning ADF 100 ADF window 101 scanner 99 XPA 100 clearing ADF jams 97 click, definition 115 clipped pixels checking for 46 definition 116 CMYK, definition 116 collating copies 20 color balance adjusting 49 definition 116 color channels changing 51 definition 116 color copies button for 16 making 20 color correction automatic 61 definition 116 highlights, adjusting 44 hue, adjusting 49 midtones, adjusting 43 saturation, adjusting 49 shadows, adjusting 45 color depth definition 116 output types 36 color images output types for 36 color wheel adjusting hue 49 definition 116 colored paper adjustments for 51 copying from 86 colors automatic adjustment 61 converting to black and white 51
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