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HP Color 9850mfp HP Color 9850mfp - System Administrator Guide - Page 168

Selecting line screen, dot screen, or high compression (screen setting), High resolution/smooth tone

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Selecting line screen, dot screen, or high compression (screen setting) This engine provides two methods to reproduce the print image: Line screen and Dot screen. The engine selects an appropriate method automatically according to the other copy conditions selected for the job. Note See Reproducing images for details on Line screen and Dot screen. Follow the procedure below to manually select the reproducing method. High resolution/smooth tone Specify either High Resolution or Smooth Tone, when selecting the reproducing method manually. High Resolution improves the resolution by maximizing the number of lines drawn. Smooth Tone provides a high-performance color grading by lowering the drawing lines. High compression The desired copy result may not be obtained because the internal memory overflows when using the reproducing method selected manually or automatically according to the other copy conditions of the job. In this case, select High Compression to give priority to compressing the scanned data. The Dither method is used instead of the Line screen or Dot screen methods. Auto Auto selects an appropriate reproducing method automatically, according to the selected copy conditions. This mode is initially selected. 1 Touch IMAGE ADJUST on the Main screen. 2 Touch SCREEN to display the Screen setting screen. 156 Color image adjustment ENWW

Section	Page
Contents	5
Legal restrictions	11
Legal restrictions on copying	12
Financial documents	12
Legal documents	12
General	12
Caution labels and indicators	14
Regulations	18
FCC regulations	18
FCC Class A Statement	18
Canadian DOC regulations	18
FDA regulations	18
Laser safety	18
Laser statement for Finland	19
Declaration of conformity	20
Environmental Product Stewardship Program	21
Protecting the environment	21
Routine safety	23
Installation requirements	23
Handling and care	26
Engine information	30
External engine parts	30
Internal engine parts	32
Standard/optional equipment	33
Control panel layout	34
Main screen	35
HP3000-Sheet Stapler/Stacker /HP3000-Sheet Multifunction Finisher (with HP3 Hole Punch Kit)	37
HPPost Insertion Kit	39
HP2500-Sheet High Capacity Input (HCI)	40
HPTrimmer Unit	41
Turning on the power switch	43
To turn on the power	43
To turn off the power	44
Reducing power in standby mode	44
Shutting off automatically	45
Shutting off/reducing power manually	45
Typing a copy monitor password	46
Loading paper	47
Loading paper in Trays 1, 2, and 3	48
Loading paper in multi-sheet bypass tray	50
Loading paper in HP2500-Sheet High Capacity Input (HCI)	51
Loading tabbed sheets in Tray 1, 2, or 3	53
Loading tabbed sheets in the HCI	54
Loading tabbed sheets in multi-sheet bypass tray	55
Selecting color mode	58
Specification for color mode	58
Positioning originals	60
Positioning originals in RADF (ADF)	60
Positioning original on scanner glass	63
Setting print quantity	64
To set print quantity	64
To change print quantity	64
Setting job during warm-up	65
To stop scanning/printing	67
Selecting copy size	68
To select copy size automatically (APS)	68
To specify desired copy size (AMS)	69
Copying using special paper (multi-sheet bypass tray)	71
Selecting magnification ratio (lens mode)	74
To copy in 1.000 magnification mode	74
To change magnification ratio (fixed magnification/zoom mode)	74
Making double-sided copies	76
Using the RADF (ADF)	76
Using the scanner glass	78
Making single-sided copies from double-sided originals	81
To scan originals into memory	83
To set next copying job	85
To check or control jobs in progress	87
Contents of job status screen	89
Output mode for engine without Finisher	90
Output mode for engine with Finisher	94
Selecting binding mode	101
Helpful functions	103
Making a sample copy (proof copy)	104
Checking feature selections/proof copying (check mode)	106
Interrupt copying	110
Storing job conditions (job memory)	113
Recalling stored job settings (job memory: job recall)	116
Recalling previous job settings	117
Displaying screen for operation guide (help mode)	118
To display the Help screen from the main screen	118
To display the Help screen from other screens	120
When the “Call for Service” message is displayed	122
Limited use of the MFP	122
Clearing jammed paper	124
When “JAM” appears on the folder key (or arrow key flashes)	125
When “ADD PAPER” appears on the folder key (or arrow key flashes)	127
How to clear a staple jam	128
When the “Memory Full” message is displayed (memory overflow)	131
Memory overflow in current job	131
Memory overflow in reserve job	132
When Power Off/On screen is displayed	133
Troubleshooting tips	134
Engine specifications	138
Option specifications	142
About colors	148
RGB and CMYK models	148
Hue, saturation, brightness (HSB) model	150
Color copy quality	151
Modifying colors	151
Reproducing images	156
What is image detection?	157
Applying filters	158
Improving color copy quality	159
Selecting density level and whitening the background (copy density)	160
To adjust copy density/background whiteness	160
Setting density shift	161
Changing colors using RGB and HSB values (color adjustment)	163
Modifying RGB value	163
Modifying HSB value	164
Changing colors using CMYK value (color balance adjustment)	166
Selecting line screen, dot screen, or high compression (screen setting)	168
Adjusting sharpness and contrast/selecting the gloss mode	170
Making fine adjustment in image detection (image judge)	172
Specifying original type	174
Programmed shut-off	176
Rotation	178
Vertical/horizontal zoom mode	179
Making folded booklets	182
Punching file holes in copies	185
Output three-folded copies	187
Making trimmed booklets	189
Cover sheet feeding	192
Off-line finishing	195
Specifying original direction	200
Copying non-standard size originals	202
Copying mixed size originals	204
Copying Z-folded originals	206
Scanning thin/thick originals in RADF (ADF)	208
Applications	211
To display application selection screen	212
Inserting sheets and covers	213
Locating title pages on the right side	216
Laying out several pages onto one sheet	218
Making a multiple page signature booklet	221
Inserting images into printed sets	224
Dividing an image into right and left pages	227
Programming different settings for an output job	231
Dividing an image for enlarged copy	234
Erasing outside the original	237
Reversing color in image	239
Repeating selected image area	241
Repeating automatically or selecting repeating times	244
Eliminating copy marks along borders	248
Copying image in the center of copy paper	251
Adjusting position of copy image	253
Reducing images to create binding margin	256
Printing stamp, page, date/time onto copies	260
Printing watermark onto copies	266
Overlaying an image onto each page copied in the job	270
Storing an overlay image in hard disk	272
Paper information	278
Paper weight	278
Tray/output tray capacity	279
Paper size	282
Special paper in multi-sheet bypass tray	284
To store copy paper	284
Original information	285
Scanner glass originals	285
RADF (ADF) originals	286
Adding toner	290
Inserting a new staple cartridge into the Finishers	295
Empty trash basket of the HP3 Hole Punch Kit	298
Empty trash basket of the HPTrimmer Unit	300
Changing toner recovery box	302
Cleaning image scanning section	304
Cleaning the scanner glass	304
Cleaning the RADF (ADF) white board	304
Checking copy count	305
To display the counter list screen	305
To print the counter list	305
Periodic maintenance	307
To check the PM counter	307
An outline of the key operator mode	310
How to access the key operator mode	310
(1) System initial setting	312
(1) Date & time setting	312
(2) Language select setting	313
(3) IP address setting	313
(4) E-mail transmission setting	314
(2) MFP initial setting	318
(3) User setting mode	319
(1) User lens mode ratio setting	319
(4) Copy monitor function setting	320
How to access the copy monitor setting mode	320
(1) Copy monitor data edit	322
(2) Copy monitor all count reset	325
(3) Copy monitor function setting	325
(4) Scanner function setting	326
(5) Lock/delete job memory	327
(6) Paper type/special size set	328
(1) Paper type/special size set	328
(2) Paper type set (Bypass)	330
(7) Panel contrast/key sound adjustment	331
(8) Key operator data setting	332
(9) Weekly timer	333
How to access the weekly timer setting mode	334
(1) Weekly timer on/off setting	335
(2) Timer setting	336
(3) Timer action on/off setting	337
(4) Lunch hour off setting	338
(5) Timer interrupt password setting	339
(10) Control panel adjustment	340
(11) Tray auto select setting	341
(12) Power save setting	342
(13) Memory switch setting	343
(14) Engine management list print	350
(15) Call remote center	351
(16) Finisher adjustment	352
(17) Front & back density setting	354
(18) Scan transmission setting	355
(19) Non-image area erase setting	357
(20) AES adjustment	358
(21) Execute adjustment operation	359
(22) Magnification adjustment	360
(23) Timing adjustment	361
(24) Centering adjustment	363
(25) Printer gamma sensor adjustment	364
Features	367
Features of the HP Color 9850mfp	368

Match case Limit results 1 per page

156

Color image adjustment

ENWW

Selecting line screen, dot screen, or high compression (screen setting)

This engine provides two methods to reproduce the print image: Line screen and Dot screen.

The engine selects an appropriate method automatically according to the other copy

conditions selected for the job.

Note

See

Reproducing images

for details on Line screen and Dot screen.

Follow the procedure below to manually select the reproducing method.

High resolution/smooth tone

Specify either High Resolution or Smooth Tone, when selecting the reproducing method

manually. High Resolution improves the resolution by maximizing the number of lines drawn.

Smooth Tone provides a high-performance color grading by lowering the drawing lines.

High compression

The desired copy result may not be obtained because the internal memory overflows when

using the reproducing method selected manually or automatically according to the other copy

conditions of the job. In this case, select High Compression to give priority to compressing the

scanned data. The Dither method is used instead of the Line screen or Dot screen methods.

Auto

Auto selects an appropriate reproducing method automatically, according to the selected copy

conditions. This mode is initially selected.

Touch

IMAGE ADJUST

on the Main screen.

Touch

SCREEN

to display the Screen setting screen.