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Clean the printhead, Information and Print Quality

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2. Clean the electrical connections on the backside of the printhead with a lint-free cloth. You can carefully use a mild rubbing alcohol if moisture is needed to remove residue. Do not use water. CAUTION: This is a delicate process and may damage the printhead. Do not touch the nozzles on the bottom side of the printhead, especially not with any alcohol. 3. Reinsert the printhead, see Insert the printhead on page 122. 4. Check the front-panel display message. If the problem remains, try a new printhead. Clean the printhead As long as the printer is kept turned on, automatic cleaning is performed periodically. This ensures there is fresh ink in the nozzles and prevents nozzle clogs, thus preserving print quality. If you have print quality problems, please see The Image Diagnostics Print on page 158 before proceeding. To clean the printhead, go to the front panel and press , then , then Image Quality Maintenance > Clean printhead, and select the color group including the color that needs cleaning (Clean all, Clean MK-Y, Clean C-M-PK-G). Align the printhead Precise printhead alignment is essential for accurate colors, smooth color transitions, and sharp edges in graphical elements. Your printer has an automatic printhead alignment process which runs whenever the printhead has been accessed or replaced. You may need to align the printhead after a paper jam or if you are experiencing print-quality problems. 1. Load the paper you wish to use, see Paper handling on page 42. You can use a roll or a cut sheet; plain white paper is recommended. CAUTION: Do not use transparent or semi-transparent paper to align the printhead. 2. Ensure that the window is closed, as a strong light source near the printer during printhead realignment can affect alignment. 3. From the front panel, press , then Image Quality Maintenance > Align printhead. NOTE: Printhead alignment can also be started from the Embedded Web Server (Support > Print Quality Troubleshooting), or from the HP Utility (Windows: Support > Print Quality Troubleshooting; Mac OS X: Information and Print Quality > Align). 164 Chapter 19 Troubleshooting ink cartridge and printhead issues ENWW

Section	Page
Introduction	9
Safety precautions	10
HP Start-Up Kit	11
Using this guide	11
Introduction	11
Use and maintenance	11
Troubleshooting	11
Accessories, support and specifications	12
Glossary	12
Index	12
Warnings and Cautions	12
Printer models	12
The printer’s main features	13
The printer’s main components	14
Front view	14
Rear view	15
Communication ports	15
The front panel	16
Information screen	18
Sleep mode	18
Printer software	18
Mobile printing and Web Services	19
Mobile printing	19
Enable email printing	19
Turn the printer on and off	20
The printer’s internal prints	20
Installing the software	22
Connect the printer to your network	23
Network configuration	23
Using IPv6	23
Using IPSec	24
Connect a computer to the printer by network (Windows)	24
Uninstall the printer software (Windows)	25
Connect a computer to the printer by network (Mac OS X)	25
Uninstall the printer software (Mac OS X)	26
Setting up the printer	27
Introduction	28
Set up Web Services	28
Web Services manual configuration	28
Configure the printer’s Internet connection	28
Configure firmware updates	29
Set remote printing preferences	29
Paper suitability options	30
Paper mismatch action	30
Roll switching options (T1500 Series)	30
Turn nesting on and off (T930, T930 PS and T1500 Series)	30
Turn usage information on and off	31
Turn e-mail notifications on and off	32
Turn alerts on and off	32
Control access to the printer	33
Front-panel security settings	33
Embedded Web Server security settings	33
Disable HP Connected	34
Require account ID (T930, T930 PS and T1500 series)	34
Set Windows driver preferences	34
Network configuration	35
Introduction	36
Verify correct operation	36
Preconfigure network settings if required	36
Tools for preconfiguration	36
Add the printer to your network system	37
Client-server printing	37
UNIX or Linux systems	37
Troubleshooting	37
IO Configuration page	37
LEDs	37
Link troubleshooting	37
Link configuration methods	38
Reset network parameters	38
Control network protocols	39
Enable or disable network protocols	39
Front-panel menu items	39
Embedded services	42
Supported network protocols	43
Personalizing the printer	44
Change the language of the front-panel display	45
Access the HP Utility	45
Access the Embedded Web Server	45
Change the language of the HP Utility	46
Change the language of the Embedded Web Server	46
Change the sleep mode setting	46
Change the auto-off setting	46
Change the loudspeaker volume	46
Change the front-panel display brightness	47
Change the units of measurement	47
Configure network settings	47
Change the graphic language setting	48
Manage Printer security	48
Change your printer’s email address	49
Paper handling	50
General advice	51
Load a roll onto the spindle	52
Load a roll into the printer	54
Unload a roll	57
Quick procedure with paper on the roll	57
Front panel procedure with paper on the roll	57
Load a single sheet	58
The stacker	59
Manual printing with the stacker open	60
The basket	62
View information about the paper	62
Paper presets	62
Printing paper info	63
Move the paper	63
Maintain paper	64
Change the drying time	64
Change the retrieval time	64
Turn the automatic cutter on and off	64
Feed and cut the paper	65
Working with two rolls (T1500 Series)	66
The uses of a multiroll printer	66
How the printer allocates jobs to paper rolls	66
Printing	68
Introduction	69
Print from a USB flash drive	69
Print from a computer using the Embedded Web Server or HP Utility (T930, T930 PS and T1500 series)	70
Print from a computer using a printer driver	71
Advanced print settings	71
Select print quality	71
Select paper size	72
Custom paper sizes	73
Select margins options	74
Print on loaded paper	74
Rescale a print	75
Change the treatment of overlapping lines	75
Preview a print	76
Print a draft	76
High-quality printing	77
If you have a high-resolution image	77
If you have printhead problems	77
Print in gray shades	77
Print with no margins (T930, T930 PS and T1500 series)	78
Print with crop lines (T930, T930 PS and T1500 series)	78
Use paper economically	79
Nest jobs to save roll paper (T930, T930 PS and T1500 series)	79
When does the printer try to nest pages?	79
What pages can be nested?	80
Which pages qualify for nesting?	80
How long does the printer wait for another file?	80
Use ink economically	80
Roll protection (T1500 series)	81
Unattended printing/overnight printing (T1500 series)	81
Print from iOS with AirPrint	82
Mobile printing	84
Print from in-OS (internal Operating Systems)	84
Print by email (HP ePrint)	84
Mobile specifications	85
Job queue management (T920 PS, T930, T930 PS and T1500 Series)	86
Introduction	87
The job queue in the front panel (T920 PS, T930, T930 PS and T1500 series)	87
Job queue page	87
Job preview	87
Select when to print a job in the queue	87
Prioritize a job in the queue	88
Pause a job in the queue	88
Reprint a job from the queue	88
Delete a job from the queue	88
Delete all jobs	88
Turn off the job queue	89
The job queue in the Embedded Web Server or HP Utility (T930, T930 PS and T1500 series)	90
Job queue page	90
Job preview	90
Select when to print a job in the queue	91
Prioritize a job in the queue	91
Delete a job from the queue	91
Reprint or copy a job in the queue	91
Job status messages	92
Reactivate a job on hold	93
Turn off the job queue	93
Color management	94
Introduction	95
How colors are represented	95
A summary of the color management process	95
Color calibration	95
Color management from printer drivers	96
Color management options	96
Printer emulation	97
Color adjustment options	98
Printing in color	98
Printing in grayscale	98
Color management from printer drivers (PostScript printers)	99
HP Professional PANTONE Emulation	99
Color emulation	100
CMYK color emulation	100
RGB color emulation	101
Color management from the Embedded Web Server (T930, T930 PS and T1500 series)	102
Submit Job options	102
Rendering intent	102
Perform black point compensation	102
Color management from the front panel	103
Practical printing examples	104
Print from Adobe Acrobat	105
Print from Autodesk AutoCAD	107
Using printer emulation	110
Using clip contents by margins	110
Print from Adobe Photoshop	110
Print and scale from Microsoft Office	112
Using PowerPoint	112
Using Project	114
Using Excel	116
Retrieving printer usage information	119
Get printer accounting information	120
Check usage statistics	120
Check usage statistics for a job	120
Accounting statistics with the HP Utility (T930, T930 PS and T1500 series)	121
Accounting statistics with the Embedded Web Server	121
Request accounting data by email	121
Handling ink cartridges and printhead	123
About the ink cartridges	124
Check the ink cartridges status	124
HP Utility procedures	124
Remove an ink cartridge	124
Insert an ink cartridge	125
Safe mode	127
About the printhead	127
Check the printhead status	127
Remove the printhead	128
Insert the printhead	130
Storage of anonymous usage information	133
Maintaining the printer	134
Check printer status	135
Clean the exterior of the printer	135
Maintain the ink cartridges	135
Move or store the printer	135
Update the firmware	136
Automatic firmware updates	136
Manual firmware updates	137
Update the software	137
Printer maintenance kits	137
Secure File Erase	137
Disk Wipe	138
Supplies and accessories	139
How to order supplies and accessories	140
Order ink supplies	140
Order paper	140
Order accessories	140
Introduction to the accessories	141
PostScript Upgrade	141
Spindle	141
3-in Spindle Adaptor Kit	141
Troubleshooting paper issues	142
The paper cannot be loaded successfully	143
Unsuccessful roll load	143
Unsuccessful sheet load	143
Paper loading error messages	143
The paper type is not in the list	144
Transparent or translucent film	144
Photo paper	144
Bond and coated or technical paper	144
Black ink is easily removed when touched	144
After printing, the paper has wrinkles or there is too much ink	144
The printer printed on the wrong paper type	145
An “on hold for paper” message	145
Which criteria are used to decide on which roll a job will be printed?	145
When is a job put on hold for paper?	145
If I load a new roll of paper, will jobs that were on hold for paper be automatically printed?	146
I don’t like jobs being put on hold for paper. Can I prevent it?	146
I set the option “Paper mismatch action” to “Print anyway”, but some jobs are still put on hold (Win ...	146
My job is exactly as wide as the roll of paper that is loaded on the printer, but is put on hold for ...	146
The paper has jammed in the print platen	146
The paper has jammed in the stacker	151
The printer displays out of paper when paper is available	151
Prints do not fall neatly into the basket	151
The print remains in the printer after printing has completed	151
The cutter does not cut well	151
The roll is loose on the spindle	151
Troubleshooting print-quality issues	152
General advice	154
Print-quality troubleshooting wizard	154
Recalibrate the paper advance	154
Recalibrating the paper advance procedure	155
Return to default calibration	156
Horizontal lines across the image (banding)	156
Lines are too thick, too thin or missing	157
Lines appear stepped or jagged	158
Lines print double or in the wrong colors	158
Lines are discontinuous	159
Lines are blurred	159
Line lengths are inaccurate	160
The whole image is blurry or grainy	160
The paper is not flat	161
The print is scuffed or scratched	161
Ink marks on the paper	161
Horizontal smears on the front of coated paper	161
Ink marks on the back of the paper	162
Black ink comes off when you touch the print	162
Edges of objects are stepped or not sharp	162
Edges of objects are darker than expected	163
Horizontal lines at the end of a cut sheet print	163
Vertical lines of different colors	163
White spots on the print	163
Colors are inaccurate	164
Color accuracy using EPS or PDF images in page layout applications	164
Colors are fading	164
The image is incomplete (clipped at the bottom)	165
The image is clipped	165
Some objects are missing from the printed image	166
A PDF file is clipped or objects are missing	166
The Image Diagnostics Print	166
Corrective action	168
If you still have a problem	168
Troubleshooting ink cartridge and printhead issues	170
Cannot insert an ink cartridge	171
Ink cartridge status messages	171
Cannot insert the printhead	171
The front-panel display recommends reseating or replacing the printhead	171
Clean the printhead	172
Align the printhead	172
Printhead status messages	173
Troubleshooting general printer issues	174
The printer will not start	175
The printer does not print	175
The printer seems slow	176
The printer behaves strangely	176
Communication failures between computer and printer	176
Cannot access the HP Utility	177
Cannot access the Embedded Web Server	177
Cannot connect to the Internet	177
Mobile printing troubleshooting	178
Automatic file system check	178
Alerts	178
Front-panel error messages	180
The system error log	182
HP Customer Care	183
Introduction	184
HP Professional Services	184
HP Support Center	184
HP Start-Up Kit	184
HP Care Packs and Warranty Extensions	185
HP Installation	185
HP Proactive Support	185
Customer Self Repair	185
Contact HP Support	186
How to contact HP Support	186
Printer specifications	187
Functional specifications	188
Mobile printing specifications	190
Physical specifications	190
Memory specifications	190
Power specifications	191
Environmental specifications	191
Acoustic specifications	191
Glossary	192

Match case Limit results 1 per page

Clean the electrical connections on the backside of the printhead with a lint-free cloth. You can carefully

use a mild rubbing alcohol if moisture is needed to remove residue. Do not use water.

CAUTION:

This is a delicate process and may damage the printhead. Do not touch the nozzles on the

bottom side of the printhead, especially not with any alcohol.

Reinsert the printhead, see

Insert the printhead

on page

122

Check the front-panel display message. If the problem remains, try a new printhead.

Clean the printhead

As long as the printer is kept turned on, automatic cleaning is performed periodically. This ensures there is

fresh ink in the nozzles and prevents nozzle clogs, thus preserving print quality. If you have print quality

problems, please see

The Image Diagnostics Print

on page

158

before proceeding.

To clean the printhead, go to the front panel and press

, then

Image Quality Maintenance

Clean printhead

, and select the color group including the color that needs cleaning (

Clean all

Clean MK-Y

Clean C-M-PK-G

Align the printhead

Precise printhead alignment is essential for accurate colors, smooth color transitions, and sharp edges in

graphical elements. Your printer has an automatic printhead alignment process which runs whenever the

printhead has been accessed or replaced.

You may need to align the printhead after a paper jam or if you are experiencing print-quality problems.

Load the paper you wish to use, see

Paper handling

on page

. You can use a roll or a cut sheet; plain

white paper is recommended.

CAUTION:

Do not use transparent or semi-transparent paper to align the printhead.

Ensure that the window is closed, as a strong light source near the printer during printhead realignment

can

aﬀect

alignment.

From the front panel, press

, then

Image Quality Maintenance

Align printhead

NOTE:

Printhead alignment can also be started from the Embedded Web Server (

Support

Quality Troubleshooting

), or from the HP Utility (Windows:

Support

Print Quality Troubleshooting

;

Mac OS X:

Information and Print Quality

Align

164

Chapter 19

Troubleshooting ink cartridge and printhead issues

ENWW