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HP DesignJet Z6 User Guide - Page 190

Close the window., Remove any debris blocking the printhead drop detector.

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3. Open the window. 4. Find the printhead drop detector beside the stored printhead carriage. 5. Remove any debris blocking the printhead drop detector. 6. With a dry, lint-free cloth, wipe the surface of the drop detector to remove any non-visible debris. 7. Close the window. 182 Chapter 16 Troubleshooting ink cartridge and printhead issues ENWW

Section	Page
Introduction	9
Welcome to your printer	10
Safety precautions	10
General safety guidelines	10
Electrical shock hazard	11
Fire hazard	11
Mechanical hazard	12
Heavy paper hazard	12
Ink handling	12
Warnings and cautions	12
Warning labels	13
Main components	14
Front view	14
Rear view	15
Rear view (Z9+ single roll)	16
Communication ports	17
Wall spacers (some models only)	18
Turn the printer on and off	18
Front panel	19
Dim mode	20
Sleep mode	21
Change the language of the front-panel display	21
Change system options	21
HP Utility	22
HP Print Preview	22
Embedded Web Server	23
Demo prints	23
Configure your printer	24
Connect the printer to your network	24
Modify network configuration	24
Install your printer under Windows	24
Uninstall the printer software under Windows	25
Install your printer under macOS	25
Uninstall the printer software under macOS	26
Set up printer services	26
Verify printer connection to HP	27
Enable email printing with HP ePrint	27
Configure your HP ePrint connection	27
Configure firmware updates	28
Control access to the printer	28
Manage printer security with HP Connected	28
Embedded Web Server security settings	28
Front-panel security settings	29
Require account ID	29
Drivers	29
Specific Windows drivers	30
HP DesignJet Universal Print Driver for Windows	30
HP Universal Print Driver configuration tool	30
macOS drivers	30
Set Windows driver preferences	30
Change the graphic language setting	30
Mobile printing	31
Accessibility	31
Front panel	31
Embedded Web Server	31
Other sources of information	32
Paper handling	33
General advice	34
Load a roll onto the spindle	34
Load a roll into the printer	37
Unload a roll	39
Quick procedure with paper on the roll	39
Front panel procedure with paper on the roll	39
Roll out of paper procedure	40
Manual unload procedure	40
Load a single sheet	40
Unload a single sheet	42
Sensitive-paper mode (Z6dr and Z9+dr only)	43
View information about the paper	43
Paper presets	44
To install a downloaded paper preset	44
To create your own paper preset	44
Printing paper info	45
Move the paper	46
Feed and cut the paper	46
Maintain paper	47
Change the drying time	47
Turn the automatic horizontal cutter on and off	48
Turn the automatic vertical trimmer on and off (Z6dr and Z9+dr only)	48
Use the take-up reel	48
Attach paper to the take-up reel	48
Paper types tested with the take-up reel	54
Unload the take-up reel	55
Working with two rolls (Z6dr/Z9+dr only)	56
Advantages of a multiroll printer	57
How the printer allocates jobs to paper rolls	57
Networking	59
Introduction	60
Control network protocols	60
Enable or disable network protocols	60
Front-panel menu items	60
Link configuration methods	63
Troubleshooting	64
IO Configuration card	64
Reset network parameters	64
Link troubleshooting	64
Communication failures between computer and printer	65
Cannot access the Embedded Web Server	66
Cannot access the printer from the HP Utility	66
Print jobs take too much time to be received by the printer	66
Printing	67
Introduction	68
Print from a USB flash drive	68
Print from a computer using a printer driver	69
Advanced print settings	69
Select print quality	70
Select paper size	71
Custom paper sizes	71
Select margin options	73
Print on loaded paper	74
Rescale a print	74
Change the treatment of overlapping lines	75
Preview a print	75
Print a draft	76
High-quality printing	76
If you have a high-resolution image	77
Print in gray shades	77
Print with crop lines	77
Use paper economically	77
Nest jobs to save roll paper	78
When does the printer try to nest pages?	78
What pages can be nested?	78
Which pages qualify for nesting?	79
How to turn nesting on and off	79
How long does the printer wait for another file?	80
Manage nesting in the Embedded Web Server	80
Use ink economically	80
Protect a paper type	81
Unattended printing/overnight printing	81
Mobile printing	83
Mobile printing	84
Print from in-OS	84
Print by email (HP ePrint)	85
Print and share from the HP Smart App	85
Mobile specifications	85
Job queue management	86
Job queue in the front panel	87
Job queue actions	88
Pause the job queue	88
Reprint	88
Print next	88
Select when to print a job	89
See job details	89
Roll policies	89
Solve paper mismatch	90
Solve output mismatch	90
Job queue options	91
Default printing preferences	91
Job deletion	91
Job queue in the Embedded Web Server or HP DesignJet Utility	92
Job queue page	92
Prioritize a job in the queue	92
Delete a job from the queue	93
Reprint a job in the queue	93
Job status messages	93
Reactivate a job on hold	94
Color management	95
Introduction	96
How colors are represented	96
A summary of the color management process	96
Color calibration	96
Color profiling	98
Create your own profile (Z9+ only)	98
Install a color profile	99
Export a color profile	100
Restore an original color profile	100
Color management from printer drivers	101
Color management options	101
Color options	101
Printing in color	101
Printing in grayscale	102
HP Professional PANTONE Emulation	102
PANTONE emulation in the Embedded Web Server	102
Default color spaces	104
Default RGB source profiles	105
Default CMYK source profiles	105
Color management from the front panel	105
Practical printing examples	106
Print a draft for revision with the correct scale	107
Using Adobe Acrobat	107
Print a PDF multipage job from Adobe Acrobat Reader or Adobe Acrobat Pro	107
Using a raster driver	108
Using a PostScript driver	108
Using a PDF driver	109
Print a document with the correct colors	110
Using Adobe Acrobat Reader	110
Using Adobe Acrobat Pro	112
Using Adobe Photoshop	115
Print a project	115
Using Autodesk AutoCAD	115
Using clip contents by margins	118
Print a presentation	118
Using Autodesk AutoCAD	118
Using Adobe Photoshop	120
Print and scale from Microsoft Office	121
Using Microsoft PowerPoint	121
Using Microsoft Project	122
Using Microsoft Excel	123
Print a borderless job using the vertical trimmer	123
Retrieving printer usage information	126
Get printer accounting information	126
Check usage statistics	126
Check usage from the front panel	126
Check usage from the Embedded Web Server	128
Check usage statistics for a job	129
Check cost assignment	130
Handling ink cartridges and printheads	132
About the ink cartridges	133
Check the ink cartridges status	133
HP DesignJet Utility procedures	133
Remove an ink cartridge	133
Insert an ink cartridge	135
Use of refilled or altered cartridges	135
About the printheads	136
Check the printhead status	136
Remove a printhead	137
Insert a printhead	139
Safe mode	142
Maintaining the printer	143
Check printer status	144
Clean the exterior of the printer	144
Maintain the ink cartridges	144
Move or store the printer	144
Update the firmware	145
Automatic firmware updates	145
Manual firmware updates	146
Update the software	146
Printer maintenance kits	146
Secure File Erase	147
Disk Wipe	147
Accessories	148
How to order supplies and accessories	149
Order ink supplies	149
Order paper	149
Order other accessories	153
Introduction to the accessories	153
Spindle	153
HP DesignJet 3-in Core Adapter	153
HP Gloss Enhancer Upgrade Kit (Z9+ only)	153
HP DesignJet 44-inch Take-up Reel	153
Disposal instructions	154
Troubleshooting paper issues	155
Paper cannot be loaded successfully	156
General unsuccessful roll load issues	156
Unsuccessful roll load	156
Unsuccessful sheet load	156
Paper loading error messages	157
Paper type is not in the driver, HP Utility, or front panel	157
After printing, the paper has wrinkles or there is too much ink	158
After printing, there is banding or coalescence grain in dark, saturated colors such as yellowish or ...	158
After printing, the paper shows carriage scratches	158
After printing, colors are not saturated enough	159
Printer printed on the wrong paper type	159
Automatic cut not available	159
On hold for paper	159
Which criteria are used to decide on which roll a job will be printed?	159
When is a job put on hold for paper?	159
If I load a new roll of paper, will jobs that were on hold for paper be automatically printed?	160
I don’t like jobs being put on hold for paper. Can I prevent it?	160
My job is exactly as wide as the roll of paper that is loaded on the printer, but is put on hold for ...	160
Roll paper will not advance	160
Paper has jammed	160
Strip stays on the output tray and generates jams	163
Strip stays in the output area and cutter rail area and generates jams (Z6dr and Z9+dr only)	163
Printer displays out of paper when paper is available	163
Prints do not fall neatly into the basket	163
Sheet stays in the printer when the print has been completed	164
Paper is cut when the print has been completed	164
Horizontal cutter does not cut well	164
Vertical trimmer does not cut (Z6dr and Z9+dr only)	164
Vertical trimmer does not cut accurately (Z6dr and Z9+dr only)	166
Vertical trimmer: printer reports missing modules (Z6dr and Z9+dr only)	167
Vertical trimmer leaves marks on waste paper	168
Roll is loose on the spindle	168
Recalibrate the paper advance	168
Recalibrating the paper advance procedure	169
Return to default calibration	169
Troubleshooting print-quality issues	171
General advice	172
Horizontal lines across the image (banding)	172
Banding appears as irregular watermarks	173
Whole image is blurry or grainy	173
Paper is not flat	173
Print is scuffed or scratched	174
Ink marks on the paper	174
Horizontal smears on the front of coated paper	175
Ink marks on the back of the paper	175
Black ink comes off when you touch the print	175
Edges of objects are stepped or not sharp	176
Edges of objects are darker than expected	176
Horizontal lines at the end of a cut sheet print	176
Vertical lines of different colors	177
White spots on the print	177
Colors are inaccurate	177
My print does not have gloss uniformity (Z9+ only)	178
Image is incomplete (clipped at the bottom)	178
Image is clipped	179
Some objects are missing from the printed image	179
Lines are too thick, too thin or missing	180
Lines appear stepped or jagged	180
Lines print double or in the wrong colors	181
Lines are discontinuous	181
Lines are blurred	182
Line lengths are inaccurate	182
Image Diagnostics Print	183
Corrective action	185
If you still have a problem	185
Troubleshooting ink cartridge and printhead issues	186
Cannot insert an ink cartridge	187
Ink cartridge status messages	187
Printer does not detect the gloss enhancer cartridge (Z9+ only)	187
Cannot insert a printhead	187
Front panel recommends reseating or replacing a printhead	187
Clean the printheads	188
Clean the printhead drop detector	189
Align the printheads	191
Reinsert printheads procedure	191
Image-quality maintenance menu procedure	192
Scanning errors during alignment	193
Printhead status messages	193
Troubleshooting general printer issues	194
Printer does not print	195
Front panel fails to initialize	195
Printer seems slow	195
Communication failures between computer and printer	196
Cannot access the Embedded Web Server	196
Cannot connect to the Internet	196
Web Services issues	197
Automatic file system check	197
Alerts	197
Front-panel error messages	198
System error log	198
HP Customer Care	199
Introduction	200
HP Professional Services	200
HP Support Center	200
Download printer software	200
HP Care Packs and Warranty Extensions	200
Customer Self Repair	201
Contact HP Support	201
Telephone number	202
Printer specifications	203
Functional specifications	204
Physical specifications	205
Memory specifications	205
Power specifications	205
Ecological specifications	205
Environmental specifications	205
Acoustic specifications	206
Glossary	207