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Canon imageCLASS MF3010 VP imageCLASS MF3010/ MF3010 VP Users Guide - Page 149

Preferences, Threshold, Tone curve/threshold drop-down list

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Scan Threshold You can adjust the threshold setting. By adjusting the threshold, you can sharpen text within the document and reduce print-through that often happens to newspapers. NOTE Threshold The brightness of color and gray images can be specified as a value from 0 up to 255, while the brightness of black and white images is expressed in black and white including all shades between black and white. A threshold is the boundary to define whether images are black or white. [Threshold Level] [Reset] Adjust the threshold level by moving [ up to 255. ] on the slider or manually entering a value from 0 Restore all current settings to default settings. Tone curve/threshold drop-down list You can save the color settings specified for scan areas. If there are no specific scan areas, the settings specified for the entire image displayed in the preview area are saved. You can also recall the saved settings to apply to the selected scan area. [Custom] You can custom-define each setting. The settings can be modified after these settings were applied to the image. [Add/Delete] Display the [Add/Delete Threshold Settings] dialog box when [Black and White] is selected for [Color Mode] in the [Add/Delete Tone Curve Settings] dialog box. You can register the current settings set for the image in the preview area under a specified name. Preferences The [Preferences] dialog box appears when [Preferences] is clicked in the [Advanced Mode] tab. You can change the scan and preview settings within this dialog box. 144

Section	Page
Contents	2
Important Safety Instructions	7
Important Safety Instructions	8
Installation	9
Power Supply	11
Handling	13
Maintenance and Inspections	15
Consumables	17
Others	19
Installation and Handling	20
Basic Operation	24
Parts and Their Functions	25
Front Side	26
Back Side	27
Interior	28
Paper Cassette	29
Operation Panel and Display	30
Using the Quick Reference Guide	32
Energy Saving Functions (Sleep Mode)	34
How to Operate Menus	35
Setting List	36
Toner Cartridges	41
About the Supplied Toner Cartridge	42
About Replacement Toner Cartridges	43
Handling Toner Cartridges	44
Storing Toner Cartridges	46
Purchasing Consumables	47
Placing Documents	48
Attention (Placing Documents)	50
Loading Paper	51
In the Paper Cassette	52
Attention (Loading Paper)	55
Paper Loading Capacity	56
Paper Loading Orientation	57
Setting a Paper Type	59
Initializing Menus	61
Printing the User Data List	62
Upgrading Firmware	63
Locating the Serial Number	64
Specifications	66
Machine Specifications	67
Copy Specifications	68
Printer Specification	69
Scanner Specifications	70
Document Type	71
Supported Document Types	72
Scan Area	73
Paper	74
Supported Paper Types	75
Printable Area	78
Copy	80
Basic Copy Operations	81
Registering the Quantity that You Frequently Copy (Up to Twenty-nine Copies)	83
Adjusting the Density	84
Enlarging/Reducing Copy	86
Copying Both Sides of Cards onto One Side (ID Card Copy)	88
Copying Two Documents onto One Sheet (2 on 1 Copy)	91
Selecting Copy Type (Speed Priority/Resolution Priorlty)	93
Emphasizing the Outline of an Image (Sharpness)	95
Print	98
Preparing to Print from Your Computer	99
Setting Up Printer Sharing	100
Printing Fundamentals	102
Printing	103
Configuring the Default Print Settings	106
Viewing the Online Help	108
Printing on Custom Paper Size	110
Registering a Custom Paper Size	111
Canceling Print	112
Selecting and Canceling Jobs	113
Scan	115
Preparing to Use the Scan Functions	116
System Requirements (Scan)	117
Basic Scan Flow	118
Scanning Using the MF Toolbox	119
Scanning an Image Using an Application	121
Scanning Using the WIA Driver	122
[New Scan] Dialog Box	126
Attention (WIA Driver)	128
Using the MF Toolbox	129
Combining Multiple Documents into One PDF File	135
Using the ScanGear MF	137
Using Simple Mode	138
Using Advanced Mode	141
Defining a Scan Area (Cropping Frame)	153
Setting Resolution	155
Troubleshooting	157
Clearing Jams	158
Removing Jammed Paper	160
Troubleshooting	165
Paper Feeding Problems	167
Cannot Print, or the Images on Printouts are Spotted or Distorted	168
Copying Problems	169
The Copy Output is Hardly Readable and Copied Poorly	170
Printing Problems	171
Cannot Print Documents from a Computer	172
Scanning Problems	173
Cannot Scan a Document	175
Installation and Uninstallation Problems	177
Miscellaneous Problems	178
Printing Results are Not Good	179
Paper Curls	180
Paper Creases	181
Printing is Uneven	182
White Specks or Spots Appear on the Printout	183
The Toner does Not Flow Well into the Paper	184
Vertical Streaks Appear on the Output	185
Toner Smudges and Spatters Appear around Text and Images	186
The Printout is Too Dark	187
Printed Bar Codes Cannot be Scanned	188
Images may be partially cut off on the output	189
Uninstalling the Software	190
When a Service Error Has Occurred	193
When a Problem cannot be Resolved	194
Maintenance	197
Cleaning the Machine	198
Cleaning the Exterior	199
Cleaning the Inside of the Machine	200
Cleaning the Fixing Unit	203
Cleaning the Platen Glass	204
Attention (Cleaning the Machine)	205
Replacing Toner Cartridges	207
Before Replacing the Toner Cartridge	208
Replacing the Toner Cartridge	211
Attention (Replacing the Toner Cartridge)	215
Special Mode	218
Relocating the Machine	221
Attention (Relocating the Machine)	224
Appendix	226
Third Party Software	227
Manuals and Their Contents	228
Basic Windows Operations	229
Disclaimers	232
Copyright	233
Trademarks	234
Using User's Guide	236
Screen Layout of the User's Guide	237
Top Page	238
Topic Page	240
Search Method	241
Viewing the User's Guide	242

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Threshold

You can adjust the threshold setting. By adjusting the threshold, you can sharpen text within the document and

reduce print-through that often happens to newspapers.

NOTE

Threshold

The brightness of color and gray images can be speciﬁed as a value from 0 up to 255, while the

brightness of black and white images is expressed in black and white including all shades between black

and white. A threshold is the boundary to deﬁne whether images are black or white.

[Threshold Level]

Adjust the threshold level by moving [

] on the slider or manually entering a value from 0

up to 255.

[Reset]

Restore all current settings to default settings.

Tone curve/threshold drop-down list

You can save the color settings specified for scan areas. If there are no specific scan areas, the settings specified

for the entire image displayed in the preview area are saved. You can also recall the saved settings to apply to

the selected scan area.

[Custom]

You can custom-deﬁne each setting. The settings can be modiﬁed after these settings were

applied to the image.

[Add/Delete]

Display the [Add/Delete Threshold Settings] dialog box when [Black and White] is selected

for [Color Mode] in the [Add/Delete Tone Curve Settings] dialog box. You can register the

current settings set for the image in the preview area under a speciﬁed name.

Preferences

The [Preferences] dialog box appears when [Preferences] is clicked in the [Advanced Mode] tab. You can change

the scan and preview settings within this dialog box.

Scan

144