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Troubleshoot print-quality issues

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16 Troubleshoot print-quality issues ● General advice ● Troubleshooting tools ● Lines are too thick, too thin or missing ● Lines appear stepped or jagged ● Lines print double or in the wrong colors ● Lines are discontinuous ● Lines are blurred ● Line lengths are inaccurate ● The whole image is blurry or grainy ● The paper is not flat ● The print is scuffed or scratched ● Ink marks on the paper ● Black ink comes off when you touch the print ● Vertical lines of different colors ● White spots on the print ● Colors are inaccurate ● The output is completely blank ● The output contains only a partial print ● The image is clipped ● The image is in one portion of the printing area ● The image is unexpectedly rotated ● The print is a mirror image of the original ● The print is distorted or unintelligible ● One image overlays another on the same print 140 Chapter 16 Troubleshoot print-quality issues ENWW

Section	Page
Introduction	9
Safety precautions	10
Product models	10
Using this guide	11
Introduction	11
Use and maintenance	11
Troubleshooting	11
Get help	11
Appendices	11
Glossary	12
Index	12
Warnings and Cautions	12
The printer’s main features	12
The printer’s main components	12
Front view	13
Rear view	14
The bin/basket	14
The front panel	15
Printer software	16
The Embedded Web Server’s main components	17
Main tab	17
Setup tab	17
Support tab	17
The HP DesignJet Utility’s main features	18
The printer’s internal prints	18
Turn the printer on and off	19
Connectivity and software instructions	20
Choose which connection method to use	21
Connect to a network (Windows)	21
Connect to a network (Mac OS X)	21
Uninstall the printer software (Mac OS X)	22
Personalize the printer	23
Change the language of the front-panel display	24
Access the HP DesignJet Utility	24
Access the Embedded Web Server	24
Change the language of the HP DesignJet Utility	25
Change the language of the Embedded Web Server	25
Change the sleep mode setting	25
Turn the buzzer on and off	25
Change the front-panel display contrast	25
Change the units of measurement	26
Configure network settings	26
Change the graphic language setting	27
Paper suitability options	27
Paper mismatch action	27
Roll switching options	28
Handle the paper	29
Overview	30
Use paper	30
Drying time	31
Supported paper types	31
Load a roll into the printer	33
Unload a roll from the printer	37
View information about the paper	38
Perform paper advance calibration	38
Overview of the paper advance procedure	39
Return to the default calibration	39
Download paper presets	39
Cancel the drying time	40
Change the drying time	40
Printing paper info	41
Feed and cut the paper	41
Store the paper	41
Order paper	42
Non-recommended paper types	46
Handle the ink system	47
Ink system components	48
Ink cartridges	48
Replace ink cartridges	48
Printheads	49
Maintenance cartridge	50
Ink system tips	50
Work with ink system components	51
Remove an ink cartridge	51
Insert an ink cartridge	53
Remove a printhead	54
Insert a printhead	56
Clean (recover) the printheads	59
Clean the electrical connections on a printhead	59
Clean the printhead drop detector	61
Align the printheads	63
Reinsert printheads procedure	63
Image Quality Maintenance menu procedure	64
Scanning errors during alignment	64
The Image Diagnostics Print	64
Corrective action	66
Remove the maintenance cartridge	66
Insert the maintenance cartridge	68
Check the status of the ink system	69
Check the status of the ink cartridges	69
Front-panel procedure	69
HP DesignJet Utility procedures	70
Check the status of a printhead	70
Order ink supplies: Ink cartridges, Printheads and Maintenance Cartridges	70
Use of multiple rolls	71
The uses of a multiroll printer	72
How the printer allocates jobs to paper rolls	72
Job allocation with nesting	73
Use of the stacker	74
Install the stacker	75
Uninstall the stacker	75
Choose paper for the stacker	75
Stacker messages	76
Change the temperature	76
Change paper rolls while using the stacker	76
Clean the exterior of the stacker	76
Clean the stacker rollers	77
Move or store the stacker	77
Setup of folding devices	79
Install the folding device	80
Uninstall the folding device	80
Choose paper for the folding device	80
Select folding style	80
Print options	81
Create a print job	82
Using the Embedded Web Server to print files	82
Printing stored jobs	83
Select print quality	83
Print a draft	84
High-quality printing	84
If you have a high-resolution image	85
If you have printhead problems	85
Select paper size	85
Custom paper sizes	86
Select margins options	86
Print on loaded paper	87
Rescale a print	87
Preview a print	88
Print 16-bit color images	88
Change the treatment of overlapping lines	89
Print crop lines	89
Rotate an image	89
Autorotate	90
Print in gray shades	91
Select folding settings	92
Use paper economically	92
Nest jobs to save paper	92
How to use nesting	93
Nesting wait time	94
Nesting compatibility	94
Use ink economically	94
Roll protection	95
Unattended printing/overnight printing	95
Color management	96
Introduction	97
How colors are represented	97
A summary of the color management process	97
Color calibration	97
Color management from printer drivers	98
Color management options	98
Printer emulation	99
Color adjustment options	99
Printing in color	100
Printing in grayscale	100
Color management from printer drivers (PostScript)	101
HP Professional PANTONE Emulation	101
Color emulation	102
Default color spaces	102
RGB color emulation	102
Color management from the Embedded Web Server	102
Submit Job options	102
Rendering intent	103
Perform black point compensation	103
Printing PANTONE swatch books	103
Color management from the front panel	104
Job queue management	106
Embedded Web Server job queue page	107
Job preview	108
Turn off the job queue	108
Select when to print a job in the queue	108
Identify a job in the queue	109
Prioritize a job in the queue	109
Delete a job from the queue	109
Reprint or copy a job in the queue	109
Job status messages	110
Remove a hold	111
Retrieving printer usage information	112
Get printer usage and accounting information	113
Getting usage information	113
From the front panel	113
From the Embedded Web Server	113
Printing the usage information	113
Getting detailed job accounting information	114
Ink and paper statistics with the Embedded Web Server	114
Ink and paper statistics with the HP DesignJet Utility	114
Practical printing examples	115
Overview	116
Print a draft for revision with the correct scale	116
Using Adobe Acrobat	116
Print a project	119
Using AutoCAD	119
Using the Embedded Web Server to submit files	124
Using printer emulation	125
Using clip contents by margins	126
Print a presentation	126
Using AutoCAD	126
Using Adobe Photoshop	130
Print and scale from Microsoft Office	132
Using PowerPoint	132
Using Project	134
Using Excel	136
Maintain the printer	139
Clean the exterior of the printer	140
Clean the platen	140
Clean the paper-advance sensor window	142
Lubricate the printhead carriage	143
Maintain the ink cartridges	143
Perform preventive maintenance	143
Move or store the printer	144
Update the printer firmware	145
Secure disk erase	145
Accessories	147
Order accessories	147
Troubleshoot print-quality issues	148
General advice	150
Troubleshooting tools	150
Optimize print quality	150
Optimization suggested actions	151
Most-common issues resolution	151
Lines are too thick, too thin or missing	151
Lines appear stepped or jagged	152
Lines print double or in the wrong colors	152
Lines are discontinuous	153
Lines are blurred	154
Line lengths are inaccurate	154
The whole image is blurry or grainy	155
The paper is not flat	155
The print is scuffed or scratched	156
Ink marks on the paper	156
Black ink comes off when you touch the print	157
Vertical lines of different colors	157
White spots on the print	157
Colors are inaccurate	158
PANTONE* colors are inaccurate	158
Colors between different HP DesignJets do not match	158
Print with PostScript drivers	159
Print with HP-GL/2 drivers	159
Print the same HP-GL/2 file	160
The output is completely blank	160
The output contains only a partial print	160
The image is clipped	161
The image is in one portion of the printing area	161
The image is unexpectedly rotated	161
The print is a mirror image of the original	162
The print is distorted or unintelligible	162
One image overlays another on the same print	162
Pen settings seem to have no effect	162
The image has a wood-grain appearance (aeroworms)	162
Troubleshoot paper issues	163
The paper has jammed	164
Prints do not stack correctly in the bin	164
Troubleshoot ink-system issues	165
Cannot insert an ink cartridge	166
Cannot insert a printhead	166
Cannot insert the maintenance cartridge	166
Front panel recommends reseating or replacing a printhead	166
Troubleshoot stacker issues	167
Paper scrolling	168
The trailing edge of the paper curling up	168
The paper is not completely ejected	168
The front panel displays that the stacker is disconnected	169
Troubleshoot other issues	170
The printer is not printing	171
A job has not been printed	171
The software application slows down or stalls while generating the print job	171
The printer seems slow	172
Folding device errors	172
Communication failures between computer and printer	172
Cannot access the Embedded Web Server	173
“Out-of-memory” error message	173
The platen rollers squeak	174
Cannot access the HP DesignJet Utility	176
Print job canceled and purged when held for preview	176
Printer alerts	176
Get help	178
Contact Support	179
Who to contact	179
What to do before you contact	179
How to contact HP Support	179
HP Support Center	180
HP Proactive Support	180
Customer Self Repair	181
Front-panel menus	182
Paper menu	183
Job management menu	184
Ink menu	185
Setup menu	186
Image quality maintenance menu	189
Connectivity menu	190
Internal prints menu	191
Information menu	192
Front-panel error messages	193
Printer specifications	198
Functional specifications	199
Physical specifications	200
Memory specifications	201
Power specifications	201
Environmental specifications	201
Acoustic specifications	201
Glossary	203