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HP 4020 HP Designjet 4020 and 4520 Printer Series - User's Guide: English - Page 135

How do I... (paper advance calibration topics), Overview of the calibration process, Paper advance

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13 How do I... (paper advance calibration topics) Paper advance calibration Your printer was calibrated at the factory to ensure that it advances the paper accurately when using supported paper types in normal environmental conditions. However, you may find it useful to recalibrate in certain circumstances: ● Unsupported paper: different paper manufacturers provide papers with a wide range of properties such as paper thickness or stiffness, which may benefit from calibration. You can expect the best print quality when using HP's recommended papers (see Supported paper types on page 200). ● Abnormal but stable environmental conditions: if you are printing in unusual conditions of temperature or humidity (see Environmental specifications on page 210), and those conditions are expected to remain stable, recalibration may be worthwhile. However, paper advance calibration assumes that you have an image quality problem and that you have already followed the appropriate troubleshooting procedure for that problem. If you have no particular problem, there is no need to perform the calibration. Before performing paper advance calibration, use the Image Diagnostics Print to check that the printheads are correctly aligned (see Print the Image Diagnostics Print on page 118). NOTE: In theory, paper advance calibration should improve print quality. However, if you find the calibration print difficult to interpret, you may choose the wrong paper advance setting and thus degrade print quality. In this case, you can restore the original factory settings by selecting the or icon at the front panel, and then Paper advance calibration > Optim. for drawings/text or Optimize for images > Select Pattern > Factory Default. ● Overview of the calibration process ● The calibration process in detail ● After calibration Overview of the calibration process 1. Use the front panel to print a colored pattern stored in the printer seven times, each time with a different paper advance setting. 2. Decide which pattern has been printed most successfully. 3. Use the front panel to tell the printer which pattern was best-and therefore which paper advance setting to use in future. NOTE: There are separate paper advance settings for each paper type name in the front panel: each must be calibrated separately. When you calibrate a particular paper type, the settings for all other paper types are unaffected. ENWW Overview of the calibration process 125

Section	Page
Introduction	11
Using this guide	12
Introduction	12
How do I ...	12
The problem is ...	12
Tell me about ...	12
Index	12
The printer's main features	12
The printer's main components [4020]	13
Front view	13
Rear view	14
The printer's main components [4520]	14
Front view	15
Front view with optional stacker	16
Rear view	16
The front panel	17
Printer software	18
How do I... (software setup topics)	19
Choose which connection method to use	20
Connect to a network (Windows)	20
Connect directly to a computer (Windows)	21
Uninstall the printer driver (Windows)	21
Connect to a network (Mac OS X)	21
Connect directly to a computer (Mac OS X)	22
Sharing the printer	22
Uninstall the printer software (Mac OS X)	22
How do I... (printer operation topics)	25
Switch on and off	26
Restart	26
Change the language of the front panel	27
Access the Embedded Web Server	27
Change the language of the Embedded Web Server	28
Password-protect the Embedded Web Server	28
Request E-mail notification of specific error conditions	29
Set the date and time	29
Change the sleep mode setting	29
Turn off the buzzer	29
Change the front panel contrast	29
Change the units of measurement	30
Adjust for altitude	30
How do I... (paper topics)	31
Load a roll onto the spindle [4020]	32
Load a roll into the printer [4020]	34
Unload a roll from the printer [4020]	37
The normal procedure (roll attached to spindle)	37
Roll detached from spindle	38
No paper visible	38
Load a single sheet [4020]	38
Unload a single sheet [4020]	41
Load a roll onto the spindle [4520]	41
Load a roll into the printer [4520]	43
Unload a roll from the printer [4520]	46
The normal procedure (roll attached to spindle)	47
Roll detached from spindle	47
No paper visible	48
Trim the paper with the manual cutter [4520]	48
View information about the paper	50
Download media profiles	50
Use non-HP paper	51
Cancel the drying time	51
Change the drying time	51
How do I... (print job topics)	53
Submit a job with the Embedded Web Server	54
Save a job	54
Print a saved job	55
Cancel a job	55
Manage the print queue	55
Turning on and off the queue	55
The When To Start Printing options	55
Identifying a job in the queue	56
Prioritizing a job in the queue	56
Deleting a job from the queue	56
Making copies of a job in the queue	56
Understanding job status	57
Nest jobs to save roll paper	57
When does the printer try to nest pages?	58
Which pages can be nested?	58
Which pages qualify for nesting?	58
How long does the printer wait for another file?	59
Unattended printing/overnight printing	59
How do I... (stacker topics) [4520]	61
Install the stacker	62
Uninstall the stacker	62
Change the temperature	62
Change paper rolls while using the stacker	63
Clean the exterior of the stacker	63
Clean the stacker rollers	63
Move or store the stacker	64
How do I... (image adjustment topics)	65
Change the page size	66
Create a custom page size	66
Using the HP-GL/2 and HP RTL printer driver for Windows	66
Using the PostScript printer driver for Windows	66
Using the PostScript printer driver for Mac OS X	67
Using the Embedded Web Server	67
Change the print quality	67
Choose print quality settings	67
Print at maximum speed	69
Adjust the margins	69
Print on oversize pages	70
Print without added margins	70
Select the orientation of the image	71
Rotate an image	72
Autorotate	73
Print a mirror image	73
Scale an image	73
Change the palette settings	74
Change the treatment of overlapping lines	75
Change the graphic language setting	75
How do I... (color topics)	77
Perform color calibration	78
Perform black point compensation	78
Set the rendering intent	79
Select the color emulation mode	79
Produce matching prints from different HP Designjets	79
Get accurate colors from Adobe Photoshop CS (HP–GL/2 & RTL driver)	79
Application settings	80
Driver settings	82
Printer settings	83
Get accurate colors from Adobe Photoshop CS (PostScript driver)	83
Application settings	83
Driver settings	86
Printer settings	86
Get accurate colors from Adobe InDesign CS	86
Application settings	87
Driver settings	89
Printer settings	89
Get accurate colors from QuarkXPress 6	89
Application settings	89
Driver settings	91
Printer settings	91
Get accurate colors from Autodesk AutoCAD	91
Get accurate colors from Microsoft Office 2003	92
Get accurate colors from ESRI ArcGIS 9	92
Printing with the Windows printer engine	92
Printing with the ArcPress printer engine	94
How do I... (ink system topics)	97
Remove an ink cartridge	98
Insert an ink cartridge	101
Remove a printhead	102
Insert a printhead	104
Manage printhead monitoring	107
Recover (clean) the printheads	107
Clean a printhead's electrical connections	107
Align the printheads	111
Remove a printhead cleaner	112
Insert a printhead cleaner	113
Check the status of the ink system	115
Get ink cartridge statistics	115
Get printhead statistics	116
How do I... (accounting topics)	117
Get accounting information from the printer	118
Check printer usage statistics	118
Check ink and paper usage for a job	118
Request accounting data by E-mail	118
How do I... (printer maintenance topics)	121
Clean the exterior of the printer	122
Clean the input rollers	122
Clean the platen	122
Lubricate the printhead carriage	124
Maintain the ink cartridges	125
Move or store my printer	125
Update my printer's firmware	126
Update my printer's software	126
How do I... (Image Diagnostics Print topics)	127
Print the Image Diagnostics Print	128
Respond to the Image Diagnostics Print	128
Interpret Image Diagnostics part 1	128
Corrective action	129
Interpret Image Diagnostics part 2	129
Banding	130
Horizontal bands across strips of one color only	130
Corrective action	131
Horizontal bands across all the colored strips	131
Corrective action	131
Interpret Image Diagnostics part 3	131
Corrective action	132
If I still have a problem	132
How do I... (paper advance calibration topics)	135
Overview of the calibration process	135
The calibration process in detail	136
After calibration	138
The problem is... (paper topics)	139
The paper cannot be loaded successfully [4020]	140
Rolls	140
Sheets	140
The paper cannot be loaded successfully [4520]	141
A paper jam (paper stuck in the printer) [4020]	141
Check printhead path	142
Check paper path	143
A paper jam (paper stuck in the printer) [4520]	143
Check printhead path	144
Check paper path	152
A paper jam in drawer 2 [4520]	152
Prints do not stack properly in the bin	157
The printer uses a lot of paper to align the printheads	157
The paper moves while the printer is in standby mode [4520]	157
The printer unloads or trims the paper after a long period of disuse [4520]	158
The printer unloads the paper while switched off [4520]	158
The printer unloads the paper when switched on [4520]	158
The problem is... (print quality topics)	159
General advice	160
Banding (horizontal lines across the image)	160
Lines are missing or thinner than expected	161
Solid bands or lines printed over the image	161
Graininess	162
The paper is not flat	162
The print smudges when touched	162
Ink marks on the paper	163
Smears on the front of coated paper	163
Smears or scratches on the front of glossy paper	163
Ink marks on the back of the paper	163
Ink marks when the stacker is in use [4520]	163
A defect near the start of a print	164
Lines are stepped	164
Lines are printed double or in wrong colors	164
Lines are discontinuous	165
Lines are blurred (ink bleeds from lines)	165
Lines are slightly warped	166
Color accuracy	166
Color accuracy using EPS or PDF images in page layout applications	166
PANTONE color accuracy	166
Using Automatic PANTONE Calibration (the best choice)	166
Converting PANTONE colors manually	167
Tips	167
Color matching between different HP Designjets	167
Printing via separate PostScript drivers	167
Printing via separate HP-GL/2 and HP RTL drivers	168
Printing the same HP-GL/2 and HP RTL file	168
Improving gray neutrality	169
Optimized gray neutrality calibration	169
Visual gray calibration	170
Some cautionary notes	170
Options	171
Quick Sets/Printing Shortcuts under Windows	171
Presets under Mac OS	172
The problem is... (image error topics)	173
The print is completely blank	174
The output contains only a partial print	174
The image is clipped	174
The image is in one portion of the printing area	175
The image is unexpectedly rotated	175
The print is a mirror image of the original	175
The print is distorted or unintelligible	175
One image overlays another on the same sheet	175
Pen settings seem to have no effect	175
Some objects are missing from the printed image	176
A PDF file is clipped or objects are missing	176
No output when printing from Microsoft Visio 2003	176
The problem is... (ink system topics)	177
I cannot insert an ink cartridge	178
The printer will not accept a large black ink cartridge	178
I cannot remove an ink cartridge	178
I cannot insert a printhead	178
I cannot insert a printhead cleaner	178
The front panel keeps telling me to reseat or replace a printhead	178
An ink cartridge status message	179
A printhead status message	179
A printhead cleaner status message	179
The problem is... (stacker topics) [4520]	181
Paper scrolling	182
The trailing edge of the paper curling up	182
The paper is not completely ejected	182
The front panel displays that the stacker is disconnected	183
The problem is... (other topics)	185
The printer's start-up process does not complete	186
A front panel message	186
A “printhead monitoring” message	188
A “printheads are limiting performance” message	188
An “on hold for paper” message [4520]	188
Which criteria are used to decide to which roll a job will be printed?	189
When is a job put on hold for paper?	189
If I load a new roll of paper, will jobs that were on hold for paper be automatically printed?	189
I don’t like jobs being put on hold for paper. Can I prevent it?	189
I set the option “Enable on hold for paper” to Never, but some jobs are still put on hold	189
My job is exactly as wide as the roll of paper that is loaded on the printer, but is put on hold for ...	190
The printer does not print	190
The printer seems slow	191
The application slows down or hangs up while generating the print job	191
Communication failures between computer and printer	191
I cannot access the Embedded Web Server from my browser	192
An out-of-memory error	193
An AutoCAD 2000 memory allocation error	193
The platen rollers squeak	193
Tell me about... (Embedded Web Server topics)	197
Tell me about... (printer topics)	199
Color emulation modes	200
CMYK color emulation	200
RGB color emulation	201
Connect the printer	201
The printer's rear lights	202
The printer's internal prints	202
Preventive maintenance	203
Tell me about... (ink system topics)	205
Ink cartridges	206
Replacing ink cartridges	206
Printheads	207
Printhead cleaners	208
Ink system tips	208
Tell me about... (paper topics)	209
Using paper	210
Supported paper types	210
Drying time	211
Using paper with the stacker [4520]	211
Tell me about... (multiroll topics) [4520]	213
The uses of a multiroll printer	214
How the printer allocates jobs to paper rolls	214
Roll switching policy	215
Tell me about... (printer specifications topics)	217
Functional specifications	218
Physical specifications	219
Memory specifications	220
Power specifications	220
Ecological specifications	220
Environmental specifications	220
Acoustic specifications	221
Tell me about... (ordering supplies and accessories topics)	223
Ordering ink supplies	224
Ordering paper	224
Ordering accessories	227
Tell me about... (getting help topics)	229
HP Instant Support	230
HP Customer Care	230
HP Designjet Online	231
Other sources of information	231

Match case Limit results 1 per page

How do I... (paper advance calibration

topics)

Your printer was calibrated at the factory to ensure that it advances the paper accurately when using

supported paper types in normal environmental conditions. However, you may find it useful to recalibrate

in certain circumstances:

●

Unsupported paper: different paper manufacturers provide papers with a wide range of properties

such as paper thickness or stiffness, which may benefit from calibration. You can expect the best

print quality when using HP's recommended papers (see

Supported paper types

on page

200

●

Abnormal but stable environmental conditions: if you are printing in unusual conditions of

temperature or humidity (see

Environmental specifications

on page

210

), and those conditions

are expected to remain stable, recalibration may be worthwhile.

However, paper advance calibration assumes that you have an image quality problem and that you have

already followed the appropriate troubleshooting procedure for that problem. If you have no particular

problem, there is no need to perform the calibration.

Before performing paper advance calibration, use the Image Diagnostics Print to check that the

printheads are correctly aligned (see

Print the Image Diagnostics Print

on page

118

NOTE:

In theory, paper advance calibration should improve print quality. However, if you find the

calibration print difficult to interpret, you may choose the wrong paper advance setting and thus degrade

print quality. In this case, you can restore the original factory settings by selecting the

icon at

the front panel, and then

Paper advance calibration

Optim. for drawings/text

Optimize for

images

Select Pattern

Factory Default

●

Overview of the calibration process

●

The calibration process in detail

●

After calibration

Overview of the calibration process

Use the front panel to print a colored pattern stored in the printer seven times, each time with a

different paper advance setting.

Decide which pattern has been printed most successfully.

Use the front panel to tell the printer which pattern was best—and therefore which paper advance

setting to use in future.

NOTE:

There are separate paper advance settings for each paper type name in the front panel: each

must be calibrated separately. When you calibrate a particular paper type, the settings for all other paper

types are unaffected.

ENWW

Overview of the calibration process

125

Paper advance

calibration