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HP DesignJet T795 Using your printer - Page 151

Lines are too thick, too thin or missing, Lines appear stepped or jagged, Maximum detail

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Lines are too thick, too thin or missing 1. Check that the paper type you have loaded corresponds to the paper type selected in the front panel and in your software. See View information about the paper on page 40. 2. Check that you are using appropriate print-quality settings for your purposes (see Printing on page 46). Select the custom print-quality options in the driver dialog, and try turning on the Maximum detail option (if available). You may wish to reprint your job at this point in case the problem has been solved. 3. If the resolution of your image is greater than the printing resolution, you may notice a loss of line quality. If you are using the PCL or the HP-GL/2 and HP RTL driver for Windows, you can find the Max. Application Resolution option in the driver dialog's Advanced tab, under Document Options > Printer Features. If you change this option, you may wish to reprint your job at this point in case the problem has been solved. 4. If lines are too thin or missing, print the Image Diagnostics Print. See The Image Diagnostics Print on page 152. 5. If the problem remains, go to the front panel and press and then to see the printhead alignment status. If the status is PENDING, you should align the printheads. See Align the printheads on page 159. After alignment, you may wish to reprint your job in case the problem has been solved. 6. Go to the front panel and press and then to see the paper advance calibration status. If the status is DEFAULT, you should perform paper advance calibration: see Recalibrate the paper advance on page 138. If the problem persists despite all the above actions, contact your customer service representative for further support. Lines appear stepped or jagged If lines in your image appear stepped or jagged when printed: 1. The problem may be inherent in the image. Try to improve the image with the application you are using to edit it. 2. Check that you are using appropriate print-quality settings. See Printing on page 46. 3. Select the custom print-quality options in the driver dialog, and turn on the Maximum detail option (if available). ENWW Lines are too thick, too thin or missing 143

Section	Page
Introduction	9
Safety precautions	10
HP Start-Up Kit	10
Using this guide	10
Introduction	10
Use and maintenance	10
Troubleshooting	11
Accessories, support and specifications	11
Glossary	11
Index	11
Warnings and Cautions	11
Printer models	11
The printer’s main features	12
The printer’s main components	13
Front view	13
Rear view	14
Communication ports	15
The wall spacers	15
The front panel	16
Printer software	17
Web Services	18
Turn the printer on and off	18
The printer’s internal prints	19
Installing the software	20
Choose which connection method to use	21
Connect the printer to your network	21
Network configuration	21
Using IPv6	22
Using IPSec	22
Connect a computer to the printer by network (Windows)	22
Connect a computer to the printer by USB cable (Windows)	23
Printer sharing considerations	24
Uninstall the printer software (Windows)	24
Connect a computer to the printer by network (Mac OS)	24
Bonjour connection	25
TCP/IP connection	25
Connect a computer to the printer by USB cable (Mac OS)	26
Sharing the printer	26
Uninstall the printer software (Mac OS)	27
Setting up the printer	28
Introduction	29
Set up your Web-connected printer	29
Web Services manual configuration	29
Configure the printer’s Internet connection	29
Configure firmware updates	30
Paper suitability options (T1300 series)	30
Paper mismatch action	30
Roll switching options	31
Turn nesting on and off (T1300 series)	31
Turn usage information on and off	32
Turn e-mail notifications on and off	32
Turn alerts on and off (Windows only)	32
Control access to the printer	33
Front-panel security settings	33
Embedded Web Server security settings	33
Disable your HP ePrint connection	34
Require account ID (T1300 series)	34
Set Windows driver preferences	34
Personalizing the printer	35
Change the language of the front-panel display	36
Access the HP Utility	36
Access the Embedded Web Server	36
Change the language of the HP Utility	37
Change the language of the Embedded Web Server	37
Change the sleep mode setting	37
Turn the buzzer on and off	37
Change the front-panel display brightness	37
Change the units of measurement	37
Configure network settings	37
Change the graphic language setting	38
Manage printer security	39
Change your printer’s email address	39
Paper handling	40
General advice	41
Load a roll onto the spindle	41
Load a roll into the printer	43
Unload a roll	46
Quick procedure with paper on the roll	46
Front panel procedure with paper on the roll	46
Roll out of paper procedure	46
Load a single sheet	46
Unload a single sheet	48
View information about the paper	48
Paper presets	48
Printing paper info	49
Move the paper	49
Maintain paper	49
Change the drying time	49
Turn the automatic cutter on and off	50
Feed and cut the paper	50
Working with two rolls (T1300 series)	52
The uses of a multiroll printer	52
How the printer allocates jobs to paper rolls	52
Printing	54
Introduction	55
Print from a USB flash drive	55
Print from a computer using the Embedded Web Server or HP Utility (T1300 series)	56
Print from a computer using a printer driver	57
Advanced print settings	57
Select print quality	57
Select paper size	58
Custom paper sizes	58
Select margins options	60
Print on loaded paper	60
Rescale a print	61
Change the treatment of overlapping lines	61
Preview a print	62
Print a draft	62
High-quality printing	63
If you have a high-resolution image	63
Print in gray shades	63
Print with no margins (T1300 series)	64
Print with crop lines (T1300 series)	64
Use paper economically	65
Nest jobs to save roll paper (T1300 series)	65
When does the printer try to nest pages?	65
What pages can be nested?	66
Which pages qualify for nesting?	66
How long does the printer wait for another file?	66
Use ink economically	66
Roll protection (T1300 series)	67
Unattended printing/overnight printing (T1300 series)	67
Web-connected printing	69
Print by email	69
Job queue management (T790 PS and T1300 series)	70
Introduction	71
The job queue in the front panel (T790 PS and T1300 series)	71
Job queue page	71
Job preview	71
Select when to print a job in the queue	71
Prioritize a job in the queue	72
Pause a job in the queue	72
Reprint a job from the queue	72
Delete a job from the queue	72
Delete all jobs	72
Turn off the job queue	72
The job queue in the Embedded Web Server or HP Utility (T1300 series)	73
Job queue page	73
Job preview	73
Select when to print a job in the queue	74
Prioritize a job in the queue	74
Delete a job from the queue	74
Reprint or copy a job in the queue	74
Job status messages	75
Reactivate a job on hold	76
Turn off the job queue	76
Color management	77
Introduction	78
How colors are represented	78
A summary of the color management process	78
Color calibration	78
Color management from printer drivers	79
Color management options	79
Printer emulation	80
Color adjustment options	81
Printing in color	81
Printing in grayscale	81
Color management from printer drivers (PostScript printers)	82
HP Professional PANTONE Emulation	83
Color emulation	83
CMYK color emulation	83
RGB color emulation	84
Color management from the Embedded Web Server (T1300 series)	85
Submit Job options	85
Rendering intent	85
Perform black point compensation	86
Printing PANTONE swatch books (T1300 PS)	86
Color management from the front panel	86
Practical printing examples	88
Print a draft for revision with the correct scale	89
Using Adobe Acrobat	89
Print a project	91
Using AutoCAD	91
Using the Embedded Web Server to submit files (T1300 series)	96
Using printer emulation	97
Using clip contents by margins	97
Print a presentation	98
Using AutoCAD	98
Using Adobe Photoshop	101
Print and scale from Microsoft Office	103
Using PowerPoint	103
Using Project	105
Using Excel	107
Retrieving printer usage information	109
Get printer accounting information	110
Check usage statistics	110
Check usage statistics for a job	110
Accounting statistics with the HP Utility (T1300 series)	111
Accounting statistics with the Embedded Web Server	111
Request accounting data by email	111
Handling ink cartridges and printheads	113
About the ink cartridges	114
Check the ink cartridges status	114
HP Utility procedures	114
Remove an ink cartridge	114
Insert an ink cartridge	115
About the printheads	116
Check the printhead status	117
Remove a printhead	117
Insert a printhead	120
Maintaining the printer	123
Check printer status	124
Clean the exterior of the printer	124
Maintain the ink cartridges	124
Move or store the printer	124
Update the firmware	125
Automatic firmware updates	125
Manual firmware updates	125
Update the software	126
Printer maintenance kits	126
Secure Disk Erase	126
Accessories	127
How to order supplies and accessories	128
Order ink supplies	128
Order paper	128
Order accessories	132
Introduction to the accessories	132
PostScript upgrade	132
Spindle	132
Jetdirect print server	132
External hard disk (T790 PS and T1300 series)	133
Installation	133
Uninstallation	134
Troubleshooting	135
Troubleshooting paper issues	136
The paper cannot be loaded successfully	137
General unsuccessful roll load issues	137
Unsuccessful roll load	137
Unsuccessful sheet load	138
Paper loading error messages	138
The paper type is not in the driver	138
Transparent or translucent paper	139
Glossy paper	139
Matte Paper	139
General-purpose paper	139
Photographic paper	139
Black ink is easily removed when touched	139
After printing, the paper has wrinkles or there is too much ink	139
The printer printed on the wrong paper type	140
An “on hold for paper” message (T1300 series)	140
Which criteria are used to decide on which roll a job will be printed?	140
When is a job put on hold for paper?	140
If I load a new roll of paper, will jobs that were on hold for paper be automatically printed?	140
I don’t like jobs being put on hold for paper. Can I prevent it?	140
I set the option “Paper mismatch action” to Print anyway, but some jobs are still put on hold	141
My job is exactly as wide as the roll of paper that is loaded on the printer, but is put on hold for ...	141
The roll paper will not advance	141
The paper has jammed	141
A strip stays on the output tray and generates jams	144
The printer displays out of paper when paper is available	145
Prints do not fall neatly into the basket	145
The sheet stays in the printer when the print has been completed	145
The paper is cut when the print has been completed	145
The cutter does not cut well	145
The roll is loose on the spindle	145
Recalibrate the paper advance	146
Recalibrating the paper advance procedure	146
Return to default calibration	147
Troubleshooting print-quality issues	148
General advice	149
Print quality troubleshooting wizard	149
Horizontal lines across the image (banding)	150
Lines are too thick, too thin or missing	151
Lines appear stepped or jagged	151
Lines print double or in the wrong colors	152
Lines are discontinuous	152
Lines are blurred	153
Line lengths are inaccurate	153
The whole image is blurry or grainy	154
The paper is not flat	154
The print is scuffed or scratched	155
Ink marks on the paper	155
Horizontal smears on the front of coated paper	155
Ink marks on the back of the paper	156
Black ink comes off when you touch the print	156
Edges of objects are stepped or not sharp	156
Edges of objects are darker than expected	156
Horizontal lines at the end of a cut sheet print	157
Vertical lines of different colors	157
White spots on the print	157
Colors are inaccurate	157
Color accuracy using EPS or PDF images in page layout applications	158
Colors are fading	158
The image is incomplete (clipped at the bottom)	158
The image is clipped	159
Some objects are missing from the printed image	159
A PDF file is clipped or objects are missing	160
The Image Diagnostics Print	160
Corrective action	162
If you still have a problem	162
Troubleshooting ink cartridge and printhead issues	163
Cannot insert an ink cartridge	164
Ink cartridge status messages	164
Cannot insert a printhead	164
The front-panel display recommends reseating or replacing a printhead	164
Clean the printheads	165
Clean the printhead drop detector	165
Align the printheads	167
Reinsert printheads procedure	168
Image Quality Maintenance menu procedure	168
Scanning errors during alignment	169
Printhead status messages	169
Troubleshooting general printer issues	170
The printer will not start	171
The printer does not print	171
The printer seems slow	171
Communication failures between computer and printer	172
Cannot access the HP Utility	172
Cannot access the Embedded Web Server	172
Cannot connect to the Internet	173
Web Services issues	173
Automatic file system check	173
Alerts	174
Front-panel error messages	175
The system error log	177
HP Customer Care	178
Introduction	179
HP Professional Services	179
Knowledge Center	179
HP Start-Up Kit	179
HP Care Packs and Warranty Extensions	179
HP Installation	180
HP Instant Support	180
HP Proactive Support	180
Customer Self Repair	181
Contact HP Support	181
Telephone number	181
Printer specifications	182
Functional specifications	183
Physical specifications	184
Memory specifications	184
Power specifications	185
Ecological specifications	185
Environmental specifications	185
Acoustic specifications	185
Glossary	186

Match case Limit results 1 per page

Lines are too thick, too thin or missing

Check that the paper type you have loaded corresponds to the paper type selected in the front panel and in

your software. See

View information about the paper

on page

Check that you are using appropriate print-quality settings for your purposes (see

Printing

on page

Select the custom print-quality options in the driver dialog, and try turning on the

Maximum detail

option (if

available). You may wish to reprint your job at this point in case the problem has been solved.

If the resolution of your image is greater than the printing resolution, you may notice a loss of line quality. If

you are using the PCL or the HP-GL/2 and HP RTL driver for Windows, you can

ﬁnd

the

Max. Application

Resolution

option in the driver dialog's

Advanced

tab, under

Document Options

Printer Features

. If you

change this option, you may wish to reprint your job at this point in case the problem has been solved.

If lines are too thin or missing, print the Image Diagnostics Print. See

The Image Diagnostics Print

on page

152

If the problem remains, go to the front panel and press

and then

to see the printhead

alignment status. If the status is PENDING, you should align the printheads. See

Align the printheads

on page

159

. After alignment, you may wish to reprint your job in case the problem has been solved.

Go to the front panel and press

and then

to see the paper advance calibration status. If the

status is DEFAULT, you should perform paper advance calibration: see

Recalibrate the paper advance

on page

138

If the problem persists despite all the above actions, contact your customer service representative for further

support.

Lines appear stepped or jagged

If lines in your image appear stepped or jagged when printed:

The problem may be inherent in the image. Try to improve the image with the application you are using to

edit it.

Check that you are using appropriate print-quality settings. See

Printing

on page

Select the custom print-quality options in the driver dialog, and turn on the

Maximum detail

option (if

available).

ENWW

Lines are too thick, too thin or missing

143