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Konica Minolta Fujitsu fi-6800 Operating Guide - Page 155

Quality of the scanned photo/picture is poor when scanning in black & white

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Chapter 8 Troubleshooting Quality of the scanned photo/picture is poor when scanning in black & white. Are you scanning in "Halftone" or "Grayscale"? Yes Are the glasses inside the ADF clean? Select [Halftone] or [Grayscale] in the scanner driver and scan.(*1) No Clean the dirty locations. For information on how to clean the dirty locations, refer to "Chapter 6 Daily Care" No (page 118). Yes If the above countermeasures do not solve the problem, check the items in "8.4 Before You Contact the Scanner Service Provider" (page 166) first, then contact your FUJITSU scanner dealer or an authorized FUJITSU scanner service provider. *1: The scanned image may differ from the original image significantly if you simply "binarize" (output in black & white) a picture or a photo. If you can configure from the scanner driver settings dialog box, specify the image mode to [Halftone] or [Grayscale] and scan. TOP Contents Index Introduction Scanner Overview How to Load Documents Configuring the Scan Settings How to Use the Operator Panel Various Ways to Scan Daily Care Replacing Consumables Troubleshooting Operational Settings Appendix Glossary 155

Section	Page
How to Use This Manual	2
Introduction	3
Conventions	5
Contents	7
Chapter 1 Scanner Overview	12
1.1 Main Features	13
1.2 Parts and Functions	14
Front	14
Back	15
Removable Parts	16
1.3 Turning the Power ON/OFF	17
Turning the Power ON	17
Turning the Power OFF	18
1.4 Opening/Closing the Hopper	19
How to Open the Hopper	19
How to Close the Hopper	19
1.5 Opening/Closing the ADF	20
How to Open the ADF	20
How to Close the ADF	21
1.6 Opening/Closing the Top Cover	22
How to Open the Top Cover	22
How to Close the Top Cover	22
1.7 Setting the Loading Capacity of the Hopper	23
1.8 Stacker Setting	24
How to Guide Documents	24
How to Fix the Stacker Height	25
1.9 Adjusting the Paper Separation Force	26
1.10 Resuming from Power Saving Mode	27
1.11 Basic Flow of Scanning Operation	28
Chapter 2 How to Load Documents	33
2.1 Loading Documents	34
Preparation	34
How to Load Documents	35
2.2 Documents for Scanning	40
Paper Size	40
Paper Quality	40
Loading Capacity	42
Areas Not to be Perforated	43
Loading Documents with Tabs or Non- rectangular Documents	43
Conditions for Multifeed Detection	44
Restricting the Background Color Area	45
Job Separation Sheet	45
Scanning a Mixed Batch of Documents	46
Chapter 3 Configuring the Scan Settings	48
3.1 FUJITSU TWAIN 32 Scanner Driver	49
[Resolution]	50
[Scan Type]	50
[Paper Size]	50
[Image Mode]	50
[Scan] Button	50
[Preview] Button	51
[Close] / [OK] Button	51
[Reset] Button	51
[Help] Button	51
[About] Button	51
[Option] Button	51
[Advance] button	52
[Config] button	52
3.2 ISIS Scanner Driver	53
[Main] Tab	54
[Layout] Tab	54
[Image Processing] Tab	55
[Paper Handling] Tab	56
[Multifeed Detection] Tab	56
[Gamma] Tab	57
[Color Dropout] Tab	57
[Blank Page Deletion] Tab	58
[Compression] Tab	58
[Imprinter] Tab	59
[About] Tab	59
Chapter 4 How to Use the Operator Panel	60
4.1 Operator Panel	61
Names and Functions of the Operator Panel	61
Indications on LCD	62
About the Indicators	64
4.2 Main Menu	65
How to Use Main Menu	65
Items Configurable in the Main Menu	74
4.3 Function Selection	81
How to Use Function Selection	81
Item Configurable in Function Selection	82
Chapter 5 Various Ways to Scan	83
5.1 Summary	84
5.2 Scanning Documents of Different Types and Sizes	85
Scanning Both Sides of a Document	85
Scanning Documents of Different Widths	86
Scanning a Document Longer Than A3 Size	87
5.3 Advanced Scanning	88
Excluding Colors from Images (Dropout Color)	88
Skipping Blank Pages	90
Removing Punch Holes	91
Feeding Documents Manually	93
5.4 Configuring Post-Scan Operations and Handling	97
Automatically Correcting Skewed Document Images	97
Automatically Correcting the Page Orientation	99
Saving Scanned Images in PDF Format	101
Outputting in Multi-Image Mode	105
Automatically Detecting the Document Color (Color/Monochrome)	107
Adjusting the Scanned Image in [Image Adjustment] Dialog Box	109
5.5 Customizing the Hardware Settings	110
Using a Button on the Scanner to Start Scanning	110
Detecting Multifeed Errors	112
Bypassing Multifeed Detection for a Fixed Format	114
Chapter 6 Daily Care	118
6.1 Cleaning Materials and Locations that Require Cleaning	119
Cleaning Materials	119
Locations to Clean and Cleaning Frequency	119
6.2 Cleaning the ADF (with Cleaning Sheet)	121
6.3 Cleaning the ADF (with cloth)	123
Chapter 7 Replacing Consumables	130
7.1 Consumables and Replacement Cycles	131
7.2 Replacing the Pick Roller	132
7.3 Replacing the Separator Roller	134
7.4 Replacing the Brake Roller	137
Chapter 8 Troubleshooting	139
8.1 Paper Jam	140
8.2 Error Indications on Operator Panel	142
Temporary Errors	143
Device Errors	146
8.3 Troubleshooting	151
Scanner cannot be powered ON.	152
Display on LCD switches OFF.	153
Scanning does not start.	154
Quality of the scanned photo/picture is poor when scanning in black & white.	155
Quality of scanned text or lines is unsatisfactory.	156
Images are distorted or not clear.	157
Vertical streaks appear on the scanned image.	158
Multifeed error occurs frequently.	159
Situation in which the document is not fed into the ADF occur frequently.	161
Paper jams/pick errors occur frequently.	162
Scanned images turn out elongated.	163
A shadow appears on the leading edge of the scanned image.	164
Scanner is not recognized by the computer when using Kofax VRS.	165
8.4 Before You Contact the Scanner Service Provider	166
General	166
Error Status	166
8.5 Checking the Product Labels	168
Location	168
Chapter 9 Operational Settings	169
9.1 Starting Up the Software Operation Panel	170
9.2 Configurable Items	171
Device Setting	171
Device Setting 2	173
9.3 Settings Related to Page Counters	182
Checking and Resetting the Counters	182
Specifying the Cycle to Clean the Scanner [Cleaning Cycle]	184
Specifying the Cycle to Replace Consumables [Life Counter Alarm Setting]	185
9.4 Settings Related to Scanning	186
Adjusting the Starting Position for Scanning [Offset/Vertical Magnification Adjustment]	186
Eliminating Shadows or Streaks on the Scanned Image Edge [Page Edge Filler (ADF)]	188
Eliminating Shadows or Streaks on the Scanned Image Edge [Page Edge Filler (Automatic Page Size Detection)]	189
Specifying a Color to Drop Out [Dropout color]	190
Specifying Custom Color(s) to Drop Out [Multi dropout colors]	191
Shortening the Scanning Intervals [Pre-Pick]	193
Specifying the Number of Feeding Retries [Number of paper feeding retries]	194
Specifying the Interval to Feed the Documents [Set the interval for feeding sheets]	194
Setting the Speed to Feed the Documents [Pick Speed]	195
Paper Feeding Operation Setting [Soft Pick Setting]	196
Cropping the Image Boundary [AutoCrop Boundary]	197
Setting Automatic Detection for Color/ Monochrome [Auto color Detection]	198
Sounding an Alarm When an Error Occurs [Alarm setting]	199
Detecting Paper Jam outside of Scannable Area [Jam Detection outside of scannable area when transporting paper]	200
Setting for a Function to Save the Documents from Being Damaged [Paper Protection]	201
Specifying the Sensitivity Level for Paper Protection [Paper Protection Sensitivity]	202
Scan Settings for Documents with Tabs/Non- rectangular Documents [Scan Setting for Document with Tab (Automatic Page Size Detection)]	203
Scanning Documents with Dark Background Color [Scan Setting for Document in Dark Ground Color]	204
Adjusting the Result of the Output Image [Overcrop/Undercrop]	205
Adjusting the Output Result for Overscan [Overscan Control]	206
9.5 Settings Related to Multifeed Detection	207
Specifying a multifeed detection method [Multifeed]	207
Settings for Multifeed Detection in Manual Feeding [Multifeed detection when scanning in manual feeding mode]	209
Specifying the Area to Detect Multifeed [Document check area specification for Multifeed Detection]	210
Specifying an Area Not to Detect Multifeed [Intelligent Multifeed Function]	213
9.6 Settings Related to the Waiting Time	214
Setting the Waiting Time for Manual Feeding [Timeout for manual feeding]	214
Setting the Waiting Time to Enter Power Saving Mode [Power saving]	215
9.7 Settings Related to Power ON/OFF Control	216
Setting the Paper Separation Force upon Turning the Power Off [Retain current paper thickness]	216
9.8 Settings Related to Maintenance/Options	217
Setting the Maintenance/Inspection Cycles for the Scanner [Maintenance and Inspection Cycle]	217
Imprinter Settings [Imprinter selection]	218
Appendix	219
A.1 Basic Specification	220
A.2 Installation Specification	222
A.3 Outer Dimensions	224
A.4 Scanner Options	225
A.5 Uninstalling the Software	226
Glossary	227
Index	241
A	241
B	241
C	241
D	241
E	241
F	241
H	241
I	241
L	241
M	241
O	241
P	242
R	242
S	242
T	242
U	242
V	242