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HP Designjet T770 HP Designjet T770 & T1200 Printer series - Users Guide - Page 167

Lines print double or in the wrong colors

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Print-quality issues 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 53. 3. Select the custom print-quality options in the driver dialog, and turn on the Maximum detail option (if available). Lines print double or in the wrong colors This problem can have various visible symptoms: ● Colored lines are printed double, in different colors. ● The borders of colored blocks are wrongly colored. ENWW Lines print double or in the wrong colors 159

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
The printer's internal prints	18
Installing the software	19
Choose which connection method to use	20
Connect to a network (Windows)	20
Connect directly to a computer (Windows)	20
Printer sharing considerations	21
Uninstall the printer software (Windows)	21
Connect to a network (Mac OS)	22
Bonjour/Rendezvous connection	22
TCP/IP connection	24
Connect directly to a computer (Mac OS)	25
Sharing the printer	26
Uninstall the printer software (Mac OS)	26
Setting up the printer	29
Introduction	30
Handle paper conflicts (T1200 series only)	30
Paper mismatch action	30
Roll switching options	30
Turn nesting on and off (T1200 series only)	30
Turn usage information on and off	31
Turn alerts on and off	32
Control access to the printer	32
Require account ID (T1200 series only)	33
Set Windows driver preferences	33
Personalizing the printer	35
Turn the printer on and off	36
Change the language of the front-panel display	37
Access the HP Utility	37
Access the Embedded Web Server	37
Change the language of the HP Utility	38
Change the language of the Embedded Web Server	38
Change the sleep mode setting	38
Turn the buzzer on and off	38
Change the front-panel display contrast	39
Change the units of measurement	39
Configure network settings	39
Change the graphic language setting	40
Paper handling	41
General advice	42
Load a roll onto the spindle	43
Load a roll into the printer	45
Unload a roll	48
Quick procedure with paper on the roll (T1200 series only)	48
Paper menu procedure with paper on the roll	48
Roll out of paper procedure	49
Load a single sheet	49
Unload a single sheet	51
View information about the paper	52
Paper presets	53
Printing paper info	53
Move the paper	53
Maintain paper	54
Change the drying time	54
Turn the automatic cutter on and off	54
Feed and cut the paper	55
Working with two rolls (T1200 series only)	57
The uses of a multiroll printer	58
How the printer allocates jobs to paper rolls	58
Printing	61
Create a print job	62
Using the Embedded Web Server to print files (T1200 series only)	62
Select print quality	63
Select paper size	63
Custom paper sizes	64
Select margins options	64
Print with shortcuts	65
Print on loaded paper	66
Rescale a print	66
Change the treatment of overlapping lines	67
Preview a print	68
Print a draft	68
High-quality printing	69
If you have a high-resolution image	69
Print in gray shades	70
Print with no margins (T1200 series only)	70
Print with crop lines (T1200 series only)	71
Reprint last printed job	72
Use paper economically	72
Nest jobs to save roll paper (T1200 series only)	72
When does the printer try to nest pages?	73
What pages can be nested?	73
Which pages qualify for nesting?	73
How long does the printer wait for another file?	73
Use ink economically	74
Roll protection (T1200 series only)	74
Unattended printing/overnight printing (T1200 series only)	74
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	80
Color management options	80
Printer emulation	80
Color adjustment options	81
Printing in color	81
Printing in grayscale	82
Color management from printer drivers (PostScript printers)	83
HP Professional PANTONE Emulation	83
Color emulation	84
CMYK color emulation	84
RGB color emulation	85
Color management from the Embedded Web Server (T1200 series only)	85
Submit Job options	85
Rendering intent	86
Perform black point compensation	86
Printing PANTONE swatch books	86
Color management from the front panel	87
Practical printing examples	89
Print a draft for revision with the correct scale	90
Using Adobe Acrobat	90
Print a project	92
Using Autodesk Design Review	92
Enabling HP Instant Printing from Autodesk Design Review	92
Enabling HP Instant Printing from the Batch Print Wizard	93
Using HP Instant Printing	96
Using AutoCAD	97
Using the Embedded Web Server to submit files (T1200 series only)	101
Using printer emulation	102
Using clip contents by margins	102
Print a presentation	102
Using AutoCAD	102
Using Adobe Photoshop	106
Print and scale from Microsoft Office	109
Using PowerPoint	109
Using Project	111
Using Excel	112
Job queue management	115
Introduction	116
Job queue page (T1200 series only)	116
Job preview (T1200 series only)	117
Turn off the job queue (T770 HD and T1200 series only)	117
Select when to print a job in the queue (T770 HD and T1200 series only)	117
Identify a job in the queue (T770 HD and T1200 series only)	118
Prioritize a job in the queue (T770 HD and T1200 series only)	118
Delete a job from the queue (T770 HD and T1200 series only)	118
Reprint or copy a job in the queue (T770 HD and T1200 series only)	119
Job status messages (T770 HD and T1200 series only)	119
Reactivate a job on hold (T1200 series only)	120
Retrieving printer usage information	121
Get printer accounting information	122
Check printer usage statistics	122
Printer statistics with the HP Utility	122
Printer statistics with the Embedded Web Server	122
Check ink and paper usage for a job	122
Ink and paper statistics with the HP Utility	122
Ink and paper statistics with the Embedded Web Server	123
Handling ink cartridges and printheads	125
About the ink cartridges	126
Check the ink cartridges status	126
Ink menu procedure	126
HP Utility procedures	126
Remove an ink cartridge	126
Insert an ink cartridge	128
About the printheads	129
Check the printhead status	129
Remove a printhead	130
Insert a printhead	133
Maintaining the printer	137
Check printer status	138
Clean the exterior of the printer	138
Maintain the ink cartridges	138
Move or store the printer	138
Update the firmware	139
Update the software	140
Printer maintenance kits	140
Secure Disk Erase (T770 HD and T1200 series only)	140
Accessories	143
How to order supplies and accessories	144
Order ink supplies	144
Order paper	144
Order accessories	148
Introduction to the accessories	148
Memory upgrade (T770 only)	148
PostScript upgrade (T770 series only)	148
External hard disk (T1200 series only)	148
Spindle	148
Jetdirect print server	149
Troubleshooting paper issues	151
The paper cannot be loaded successfully	152
General unsuccessful roll load issues	152
Unsuccessful roll load	152
Unsuccessful sheet load	153
Paper loading error messages	153
The paper type is not in the driver	153
Transparent or translucent paper	154
Glossy paper	154
Matte Paper	154
General-purpose paper	154
Photographic paper	154
Black ink is easily removed when touched	154
After printing, the paper has wrinkles or there is too much ink	154
The printer printed on the wrong paper type	155
An “on hold for paper” message (T1200 series only)	155
Which criteria are used to decide on which roll a job will be printed?	155
When is a job put on hold for paper?	155
If I load a new roll of paper, will jobs that were on hold for paper be automatically printed?	155
I don’t like jobs being put on hold for paper. Can I prevent it?	156
I set the option “Paper mismatch action” to Print anyway, but some jobs are still put on hold	156
My job is exactly as wide as the roll of paper that is loaded on the printer, but is put on hold for ...	156
The roll paper will not advance	156
The paper has jammed	156
A strip stays on the output tray and generates jams	159
The printer displays out of paper when paper is available	160
Prints do not fall neatly into the basket	160
The sheet stays in the printer when the print has been completed	160
The paper is cut when the print has been completed	160
The cutter does not cut well	160
The roll is loose on the spindle	160
Recalibrate the paper advance	160
Recalibrating the paper advance procedure	161
Return to default calibration	162
Troubleshooting print-quality issues	163
General advice	164
Print quality troubleshooting wizard	164
Horizontal lines across the image (banding)	165
Lines are too thick, too thin or missing	166
Lines appear stepped or jagged	166
Lines print double or in the wrong colors	167
Lines are discontinuous	168
Lines are blurred	168
Line lengths are inaccurate	169
The whole image is blurry or grainy	169
The paper is not flat	170
The print is scuffed or scratched	170
Ink marks on the paper	171
Horizontal smears on the front of coated paper	171
Ink marks on the back of the paper	171
Black ink comes off when you touch the print	172
Edges of objects are stepped or not sharp	172
Edges of objects are darker than expected	172
Horizontal lines at the end of a cut sheet print	172
Vertical lines of different colors	173
White spots on the print	173
Colors are inaccurate	173
Color accuracy using EPS or PDF images in page layout applications	174
Colors are fading	174
The image is incomplete (clipped at the bottom)	174
The image is clipped	174
Some objects are missing from the printed image	175
A PDF file is clipped or objects are missing	175
The Image Diagnostics Print	176
Corrective action	177
If you still have a problem	178
Troubleshooting ink cartridge and printhead issues	179
Cannot insert an ink cartridge	180
Ink cartridge status messages	180
Cannot insert a printhead	180
The front-panel display recommends reseating or replacing a printhead	180
Clean the printheads	181
Clean the printhead drop detector	181
Align the printheads	184
Reinsert printheads procedure	184
Image Quality Maintenance menu procedure	185
Scanning errors during alignment	186
Printhead status messages	186
Troubleshooting general printer issues	187
The printer will not start	188
The printer does not print	188
The printer seems slow	189
Communication failures between computer and printer	189
Cannot access the HP Utility	190
Cannot access the Embedded Web Server	190
Automatic file system check	190
An AutoCAD 2000 memory allocation error	191
No output when printing from Microsoft Visio 2003	191
Unavailable driver features when printing from QuarkXpress	191
Printer alerts	192
Front-panel error messages	193
HP Customer Care	195
Introduction	196
HP Professional Services	196
Knowledge Center	196
HP Start-Up Kit	196
HP Care Packs and Warranty Extensions	197
HP Installation	197
HP Instant Support	197
HP Proactive Support	197
Contact HP Support	198
Telephone number	198
Printer specifications	199
Functional specifications	200
Physical specifications	201
Memory specifications	201
Power specifications	201
Ecological specifications	202
Environmental specifications	202
Acoustic specifications	202
Legal information	203
HP Designjet T770 and T1200 accessories Hewlett Packard Limited Warranty Statement	204
A. Extent of HP Limited Warranty	204
B. Limitations of warranty	205
C. Limitations of liability	206
D. Local law	206
Hewlett-Packard Software License Agreement	207
Open-source software	209
Open source acknowledgments	209
Open source written offer	209
Regulatory notices	210
MSDS (Material Safety Data Sheet)	210
Regulatory Model Number	210
Regulatory statements	210
European Union	210
Ecological	210
Eco-tips	210
Environmental product stewardship program	210
Plastics	210
Recycling program	210
HP ink supplies recycling program	210
Battery directive	211
Lithium battery	211
Chemical substances	211
Disposal of waste equipment by users in private households in the European Union	211
Sound (Germany)	211
U.S.A.	211
Electromagnetic compatibility (EMC)	211
FCC statements (U.S.A.)	211
Note	211
Power consumption	212
Ecological	212
Attention California users	212
Atención a los usuarios de California	212
Canada	213
Electromagnetic compatibility (EMC)	213
Normes de sécurité (Canada)	213
DOC statement (Canada)	213
Turkey	213
Korea	213
Japan	213
Safety power cord warning	213
Taiwan	213
China	213
Declaration of conformity	215
declares that the product	215
conforms to the following product specifications	215
Additional information	215
Local contacts for regulatory topics only	216
Glossary	217