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Corrective action, If you still have a problem

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And here is an example of the same printhead in a bad state: Corrective action 1. Clean the printhead if necessary (see Clean the printhead on page 228). Then reprint the Image Diagnostics Print to see whether the problem has been solved. 2. If the problem remains, clean the printhead again, and reprint the Image Diagnostics Print to see whether the problem has been solved. 3. If the problem still remains, replace the printhead (see Handling ink cartridges and printhead on page 136), or contact HP Support (see Contact HP Support on page 243). If you still have a problem If you still experience print-quality problems after applying the advice in this chapter, here are some further things that you can do: 196 Chapter 21 Troubleshooting print-quality issues ENWW

Section	Page
Introduction	11
Safety precautions	12
HP Start-Up Kit	13
Using this guide	13
Introduction	13
Use and maintenance	13
Troubleshooting	13
Accessories, support and specifications	14
Glossary	14
Index	14
Warnings and Cautions	14
Printer models	14
The printer’s main features	15
The printer’s main components	16
Front view	16
Rear view	17
Communication ports	18
The front panel	18
Information screen	21
Sleep mode	21
Printer software	21
Mobile printing	22
Turn the printer on and off	23
The printer’s internal prints	23
Installing the software	25
Connect the printer to your network	26
Network configuration	26
Using IPv6	26
Using IPSec	27
Connect a computer to the printer by network (Windows)	27
Uninstall the printer software (Windows)	28
Connect a computer to the printer by network (Mac OS X)	28
Uninstall the printer software (Mac OS X)	29
Setting up the printer	30
Introduction	31
Set up web services	31
Web Services manual configuration	31
Configure the printer’s Internet connection	31
Configure firmware updates	32
Set remote printing preferences	32
Configure a scan-to-network or scan-to-FTP folder	33
Example: Create a scan-to-network folder under Windows	35
Example: Create a scan-to-network folder under Mac OS	37
Paper suitability options	38
Paper mismatch action	38
Roll switching options	39
Turn nesting on and off	39
Turn usage information on and off	40
Turn e-mail notifications on and off	41
Turn alerts on and off	41
Control access to the printer	42
Front-panel security settings	42
Embedded Web Server security settings	43
Disable HP Connected	43
Require account ID	43
Set Windows driver preferences	44
Network configuration	45
Introduction	46
Verify correct operation	46
Preconfigure network settings if required	46
Tools for preconfiguration	46
Add the printer to your network system	47
Client-server printing	47
UNIX or Linux systems	47
Troubleshooting	47
IO Configuration page	47
LEDs	47
Link troubleshooting	47
Link configuration methods	48
Reset network parameters	48
Control network protocols	49
Enable or disable network protocols	49
Front-panel menu items	49
Embedded services	53
Supported network protocols	54
Personalizing the printer	55
Change the language of the front-panel display	56
Access the HP Utility	56
Access the Embedded Web Server	56
Change the language of the HP Utility	57
Change the language of the Embedded Web Server	57
Change the sleep mode setting	57
Change the auto-off setting	57
Change the loudspeaker volume	58
Change the front-panel display brightness	58
Change the units of measurement	58
Configure network settings	58
Change the graphic language setting	59
Manage printer security	60
Change your printer’s email address	60
Paper handling	61
General advice	62
Load a roll onto the spindle	62
Load a roll into the printer	65
Unload a roll	68
Quick procedure with paper on the roll	68
Front panel procedure with paper on the roll	68
Load a single sheet	69
The stacker	70
Manual printing with the stacker open	71
The basket	73
View information about the paper	73
Paper presets	74
Printing paper info	74
Move the paper	75
Maintain paper	75
Change the drying time	75
Change the retrieval time	75
Turn the automatic cutter on and off	76
Feed and cut the paper	76
Working with two rolls	77
The uses of a multiroll printer	77
How the printer allocates jobs to paper rolls	77
Printing	79
Introduction	80
Print from a USB flash drive	80
Print from a computer using the Embedded Web Server or HP Utility	81
Print from a computer using a printer driver	83
Advanced print settings	83
Select print quality	83
Select paper size	84
Custom paper sizes	84
Select margins options	86
Print on loaded paper	86
Rescale a print	87
Change the treatment of overlapping lines	87
Preview a print	88
Print a draft	88
High-quality printing	89
If you have a high-resolution image	89
If you have printhead problems	89
Print in gray shades	90
Print with no margins	90
Print with crop lines	91
Use paper economically	91
Nest jobs to save roll paper	91
When does the printer try to nest pages?	92
What pages can be nested?	92
Which pages qualify for nesting?	92
How long does the printer wait for another file?	93
Use ink economically	93
Roll protection	93
Unattended printing/overnight printing	94
Print from iOS with AirPrint	94
Scanning	96
Paper types suitable for scanning	96
Scan to file	97
Copying	100
Mobile printing	102
Introduction	103
Print from mobile devices	103
Print from Apple iOS	103
Print from Android	103
Print by email (HP ePrint)	103
Mobile Printing	104
Print from in-OS (internal Operating Systems)	104
iPhone, iPad	104
All Android	104
Job queue management	105
The job queue in the front panel	106
Job queue page	106
Job preview	106
Select when to print a job in the queue	106
Prioritize a job in the queue	107
Pause a job in the queue	107
Reprint a job from the queue	107
Save a scanned job to another destination	107
Delete a job from the queue	107
Delete all jobs	107
Turn off the job queue	108
The job queue in the Embedded Web Server or HP Utility	109
Job queue page	109
Job preview	110
Select when to print a job in the queue	110
Prioritize a job in the queue	110
Delete a job from the queue	110
Reprint or copy a job in the queue	111
Job status messages	111
Reactivate a job on hold	112
Turn off the job queue	112
Color management	113
Introduction	114
How colors are represented	114
A summary of the color management process	114
Color calibration	114
Color management from printer drivers	116
Color management options	116
Printer emulation	117
Color adjustment options	117
Printing in color	117
Printing in grayscale	118
Color management from printer drivers (PostScript printers)	119
HP Professional PANTONE Emulation	119
Color emulation	120
CMYK color emulation	120
RGB color emulation	121
Color management from the Embedded Web Server	122
Submit Job options	122
Rendering intent	122
Perform black point compensation	123
Color management from the front panel	123
Color management and the scanner	123
Practical printing examples	125
Print from Adobe Acrobat	126
Print from Autodesk AutoCAD	128
Using printer emulation	132
Using clip contents by margins	132
Print from Adobe Photoshop	133
Print and scale from Microsoft Office	135
Using PowerPoint	136
Using Project	137
Using Excel	139
Retrieving printer usage information	142
Get printer accounting information	143
Check usage statistics	143
Check usage statistics for a job	143
Accounting statistics with the HP Utility	144
Accounting statistics with the Embedded Web Server	144
Request accounting data by email	144
Handling ink cartridges and printhead	146
About the ink cartridges	147
Check the ink cartridges status	147
HP Utility procedures	147
Remove an ink cartridge	147
Insert an ink cartridge	148
Safe mode	150
About the printhead	150
Check the printhead status	150
Remove the printhead	151
Insert the printhead	155
Storage of anonymous usage information	158
Printer maintenance	159
Check printer status	160
Clean the exterior of the printer	160
Maintain the ink cartridges	160
Move or store the printer	160
Update the firmware	161
Automatic firmware updates	161
Manual firmware updates	162
Update the software	162
Printer maintenance kits	162
Secure File Erase	163
Disk Wipe	163
Scanner maintenance	164
Clean the scanner’s glass plate	165
Replace the scanner’s glass plate	168
Calibrate the scanner	173
Supplies and accessories	175
How to order supplies and accessories	176
Order ink supplies	176
Order paper	176
Order accessories	177
Introduction to the accessories	177
PostScript Upgrade	177
Spindle	177
3-in Spindle Adaptor Kit	177
Troubleshooting paper issues	178
The paper cannot be loaded successfully	179
Unsuccessful roll load	179
Unsuccessful sheet load	179
Paper loading error messages	179
The paper type is not in the list	180
Transparent or translucent film	180
Photo paper	180
Bond and coated or technical paper	180
Black ink is easily removed when touched	181
After printing, the paper has wrinkles or there is too much ink	181
The printer printed on the wrong paper type	181
An “on hold for paper” message	181
Which criteria are used to decide on which roll a job will be printed?	181
When is a job put on hold for paper?	182
If I load a new roll of paper, will jobs that were on hold for paper be automatically printed?	182
I don’t like jobs being put on hold for paper. Can I prevent it?	182
I set the option “Paper mismatch action” to “Print anyway”, but some jobs are still put on hold (Win ...	182
My job is exactly as wide as the roll of paper that is loaded on the printer, but is put on hold for ...	182
The paper has jammed in the print platen	183
The paper has jammed in the stacker	187
The printer reports unexpectedly that the stacker is full	187
The printer displays out of paper when paper is available	187
Prints do not fall neatly into the basket	187
The print remains in the printer after printing has completed	188
The cutter does not cut well	188
The roll is loose on the spindle	188
Troubleshooting print-quality issues	189
General advice	191
Print-quality troubleshooting wizard	191
Recalibrate the paper advance	192
Recalibrating the paper advance procedure	192
Return to default calibration	193
Horizontal lines across the image (banding)	193
Lines are too thick, too thin or missing	194
Lines appear stepped or jagged	195
Lines print double or in the wrong colors	195
Lines are discontinuous	196
Lines are blurred	196
Line lengths are inaccurate	197
The whole image is blurry or grainy	197
The paper is not flat	198
The print is scuffed or scratched	198
Ink marks on the paper	199
Horizontal smears on the front of the paper	199
Other smears on the paper	199
Black ink comes off when you touch the print	200
Edges of objects are stepped or not sharp	200
Edges of objects are darker than expected	200
Horizontal lines at the end of a cut sheet print	201
Vertical bands of different colors	201
White spots on the print	201
Colors are inaccurate	201
Color accuracy using EPS or PDF images in page layout applications	202
Colors are fading	202
The image is incomplete (clipped at the bottom)	202
The image is clipped	203
Some objects are missing from the printed image	203
A PDF file is clipped or objects are missing	204
The Image Diagnostics Print	204
Corrective action	206
If you still have a problem	206
Troubleshooting scanner issues	208
Cannot access the network folder	208
Scanning to file is slow	208
Troubleshooting scan-quality issues	210
Random vertical lines	211
Wrinkles or folds	211
Line discontinuities	212
Grain in area fills when scanning plain paper	213
Small color differences between adjacent CIS modules	214
Vertical light lines at the intersection between CIS modules	215
Variable line thickness or missing lines	216
Inaccurately reproduced colors	216
Color fringing	217
Clipping in dark or light areas	218
Flare in the image when scanning glossy originals	219
Vertical red and green bands over white or black background	219
The stop-start effect	220
Vibration	221
Horizontal periodical banding	221
Defocus, blurring and fading colors	222
Incorrect paper advance, skew during scanning, or horizontal wrinkles	223
Vertical black band 20 cm wide	224
The scanner damages some originals	225
Completely wrong colors	225
Vertical distortion	226
Object replication (ghosting)	226
Clipping or incorrect scale factor when down-scaling in copies and prints	227
Incorrect edge detection, mostly when scanning tracing paper	228
A copied or scanned image is very skewed	228
The scanner diagnostic plot	229
Prepare the printer and the paper to print the diagnostic sheet	230
Visual check for errors while printing the diagnostic sheet	230
Resolution	230
Alignment	231
Loss of shadow or highlight details	232
Printer banding	232
Streaks	233
Grain	233
Scan or copy the diagnostic plot	234
Monitor calibration	234
Save the diagnostic plot for future use	235
Troubleshooting ink cartridge and printhead issues	236
Cannot insert an ink cartridge	237
Ink cartridge status messages	237
Cannot insert the printhead	237
The front-panel display recommends reseating or replacing the printhead	237
Clean the printhead	238
Align the printhead	238
Printhead status messages	239
Troubleshooting general printer issues	240
The printer will not start	241
The printer does not print	241
The printer seems slow	242
The printer behaves strangely	242
Communication failures between computer and printer	242
Cannot access the HP Utility	243
Cannot access the Embedded Web Server	243
Cannot connect to the Internet	243
Mobile printing troubleshooting	244
Automatic file system check	244
Alerts	245
Front-panel error messages	246
The system error log	249
HP Customer Care	250
Introduction	251
HP Professional Services	251
HP Support Center	251
HP Start-Up Kit	251
HP Care Packs and Warranty Extensions	251
HP Installation	252
HP Proactive Support	252
Customer Self Repair	252
Contact HP Support	253
How to contact HP Support	253
Printer specifications	255
Functional specifications	256
Mobile printing specifications	258
Physical specifications	258
Memory specifications	258
Power specifications	259
Environmental specifications	259
Acoustic specifications	259
Glossary	260