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HP Designjet T620 HP Designjet T620 Printer Series - Users Guide - Page 133

Edges of objects are stepped or not sharp, Edges of objects are darker than expected

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Edges of objects are stepped or not sharp If edges of objects or lines appear to be poorly defined or lighter in density, and you have already set the print-quality slider to Quality in the driver dialog (Mac OS Print dialog), select the custom print-quality options, and try setting the quality level to Normal. See Printing on page 45. Edges of objects are darker than expected Print-quality issues If edges of objects seem darker than expected, and you have already set the print-quality slider to Quality in the driver dialog (Mac OS Print dialog), select the custom print-quality options, and try setting the quality level to Normal. See Printing on page 45. Horizontal lines at the end of a cut sheet print This type of defect affects only the end of a print, within approximately 30 mm of the trailing edge of the paper. You may see some very thin horizontal lines across the print. To avoid this problem: 1. Print the Image Diagnostics Print. See The Image Diagnostics Print on page 133. 2. Consider printing with roll paper. 3. Consider using larger margins around your image. Vertical lines of different colors If your print has vertical bands of different colors along it: 1. Try using thicker paper, choosing from the recommended paper types such as HP Heavyweight Coated Paper and HP Super Heavyweight Paper. See Order paper on page 106. 2. Try using higher print-quality settings (see Printing on page 45). For instance, if you have set the Print Quality slider to Speed, try setting it to Quality. 130 Chapter 13 Troubleshooting print-quality issues ENWW

Section	Page
Introduction	10
Safety precautions	11
HP Start-Up Kit	11
Using this guide	11
Introduction	11
Use and maintenance	11
Troubleshooting	12
Accessories, support and specifications	12
Glossary	12
Index	12
Warnings and Cautions	12
The printer's main features	13
The printer's main components	13
Front view	14
Rear view	15
The front panel	15
Printer software	17
The printer's internal prints	17
Installing the software	18
Choose which connection method to use	19
Connect directly to a computer (Windows)	19
Printer sharing considerations	20
Connect to a network (Windows)	20
Uninstall the printer software (Windows)	21
Connect directly to a computer (Mac OS)	21
Sharing the printer	21
Connect to a network (Mac OS)	22
Bonjour/Rendezvous connection	22
Uninstall the printer software (Mac OS)	22
Setting up the printer	24
Introduction	25
Turn alerts on and off	25
Set Windows driver preferences	25
Personalizing the printer	26
Turn the printer on and off	27
Change the language of the front-panel display	28
Access the HP Printer Utility	28
Access the Embedded Web Server	28
Change the language of the HP Printer Utility	29
Change the language of the Embedded Web Server	29
Change the sleep mode setting	29
Turn the buzzer on and off	29
Change the front-panel display contrast	30
Change the units of measurement	30
Configure network settings	30
Change the graphic language setting	30
Paper handling	32
General advice	33
Load a roll onto the 24-inch spindle	33
Load a roll onto the 44-inch spindle	35
Load a roll into the 24-inch printer	37
Easy loading procedure	38
Paper menu procedure	40
Load a roll into the 44-inch printer	41
Easy loading procedure	42
Unload paper key procedure with paper on the roll	42
Paper menu procedure with paper on the roll	43
Roll out of paper procedure	43
Load a single sheet	43
Easy loading procedure	44
Paper menu procedure	45
Unload a single sheet	46
Unload paper key procedure	46
Paper menu procedure	46
View information about the paper	46
Paper profiles	47
Print on loaded paper	47
Maintain paper	48
Change the drying time	48
Turn the automatic cutter on and off	48
Feed and cut the paper	48
Printing	51
Select print quality	52
Select paper size	52
Custom paper sizes	53
Select margins options	53
Print with shortcuts	53
Rescale a print	54
Change the treatment of overlapping lines	55
Print a draft	55
High-quality printing	56
If you have a high-resolution image	56
Print in gray shades	57
Print with no margins	57
Reprint last printed job	57
Use paper economically	58
Use ink economically	58
Color management	59
Introduction	60
How colors are represented	60
A summary of the color management process	60
Color calibration	60
Color management from printer drivers	61
Color management options	61
Printer emulation	62
Color adjustment options	62
Printing in color	63
Printing in grayscale	63
Color management from the front panel	64
Practical printing examples	65
Print a draft for revision with the correct scale	66
Using Adobe Acrobat	66
Print a project	68
Using Autodesk Design Review	68
Enabling HP Instant Printing from Autodesk Design Review	69
Using AutoCAD	70
Print a presentation	73
Using AutoCAD	73
Using Adobe Photoshop	76
Print and scale from Microsoft Office	79
Using PowerPoint	80
Using Project	81
Using Excel	83
Handling ink cartridges and printheads	86
About the ink cartridges	87
Check the ink cartridges status	87
Ink menu procedure	87
HP Printer Utility procedures	87
Remove an ink cartridge	88
Insert an ink cartridge	89
About the printheads	90
Check the printhead status	91
Remove a printhead	91
Insert a printhead	94
Maintaining the printer	98
Check printer status	99
Clean the exterior of the printer	99
Replace the cutter	99
Maintain the ink cartridges	103
Move or store the printer	103
Update the firmware	104
Update the software	105
Printer maintenance kits	105
Secure Disk Erase	105
Accessories	108
How to order supplies and accessories	109
Order ink supplies	109
Order paper	109
Order accessories	112
Introduction to the accessories	113
Stand	113
Spindle	113
Jetdirect print server	113
Troubleshooting paper issues	114
The paper cannot be loaded successfully	115
General unsuccessful roll load issues	115
Unsuccessful roll load with 24-inch printer	115
Unsuccessful roll load with 44-inch printer	116
Unsuccessful sheet load	116
Paper loading error messages	116
The paper type is not in the driver	117
Transparent or translucent paper	117
Glossy paper	117
Matte Paper	117
General-purpose paper	117
Photographic paper	118
Black ink is easily removed when touched	118
After printing, the paper has wrinkles or there is too much ink	118
The paper has jammed	118
The printer displays out of paper when paper is available	121
Prints do not fall neatly into the basket	121
The sheet stays in the printer when the print has been completed	121
The paper is cut when the print has been completed	121
The cutter does not cut well	121
The roll is loose on the spindle	121
A strip stays on the output tray and generates jams	121
Recalibrate the paper advance	122
Recalibrating the paper advance procedure	122
Return to default calibration	123
Troubleshooting print-quality issues	124
General advice	125
Print quality troubleshooting wizard	125
Horizontal lines across the image (banding)	126
Lines are too thick, too thin or missing	127
Lines appear stepped or jagged	127
Lines print double or in the wrong colors	128
Lines are discontinuous	128
Lines are blurred	129
Line lengths are inaccurate	130
The whole image is blurry or grainy	130
The paper is not flat	131
The print is scuffed or scratched	131
Ink marks on the paper	132
Horizontal smears on the front of coated paper	132
Ink marks on the back of the paper	132
Black ink comes off when you touch the print	132
Edges of objects are stepped or not sharp	133
Edges of objects are darker than expected	133
Horizontal lines at the end of a cut sheet print	133
Vertical lines of different colors	133
White spots on the print	134
Colors are inaccurate	134
Color accuracy using EPS or PDF images in page layout applications	134
Colors are fading	135
The image is incomplete (clipped at the bottom)	135
The image is clipped	135
Some objects are missing from the printed image	136
A PDF file is clipped or objects are missing	136
The Image Diagnostics Print	136
Corrective action	138
If you still have a problem	139
Troubleshooting ink cartridge and printhead issues	140
Cannot insert an ink cartridge	141
Ink cartridge status messages	141
Cannot insert a printhead	141
The front-panel display recommends reseating or replacing a printhead	142
Clean the printheads	142
Clean the printhead drop detector	142
Align the printheads	145
Reinsert printheads procedure	145
Image Quality Maintenance menu procedure	146
Scanning errors during alignment	146
Printhead status messages	147
Troubleshooting general printer issues	148
The printer does not print	149
The printer seems slow	149
Communication failures between computer and printer	149
Cannot access the HP Printer Utility	150
Cannot access the Embedded Web Server	150
Automatic file system check	151
An AutoCAD 2000 memory allocation error	151
No output when printing from Microsoft Visio 2003	151
Unavailable driver features when printing from QuarkXpress	152
Printer alerts	152
Front-panel error messages	154
HP Customer Care	156
Introduction	157
HP Professional Services	157
Knowledge Center	157
HP Start-Up Kit	157
HP Care Packs and Warranty Extensions	157
HP Installation	158
HP Instant Support	158
HP Proactive Support	158
Contact HP Support	159
Telephone number	159
Printer specifications	160
Functional specifications	161
Physical specifications	162
Memory specifications	162
Power specifications	162
Ecological specifications	162
Environmental specifications	162
Acoustic specifications	163
Glossary	164