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There are wrinkles and ink smears on the substrate

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Generally, the main contributor to skew is an imprecise substrate load, and the effects of that are worse with wide rolls. However, if you have some skew or telescoping but this does not affect your print quality, and does not generate wrinkles in the substrate (see There are wrinkles and ink smears on the substrate on page 221), there is no need to take any action. However, you are recommended to reload the substrate in order to eliminate any potential problem. Some substrate rolls already come with skew; in that case the recommendations are as follows: 1. Try to load the substrate following the correct procedure, taking as a reference of the roll's width the average between peaks of skew. 2. Start with the recommended configuration for each substrate, and increase vacuum and tension step by step, in steps of 5 mmH2O for vacuum and 5 N·m for tension. There are wrinkles and ink smears on the substrate Wrinkles in the substrate indicate that the substrate settings that control the substrate shape are not optimized. This can cause various printing defects: ● Colored bands in area fills in the vicinity of the wrinkles ● Ink smears if the printhead touches the substrate ● Cockle ● A substrate crash if the printhead's movement over the substrate is impeded There are various reasons why wrinkles and other consequent effects could appear while printing: ● Incorrect loading of the substrate ● Incorrect routing of the substrate through the printer ● Incorrectly positioned edge holders ● Drying temperature too high for the substrate ● Differential expansion of the substrate due to variations in temperature ● Insufficient tension settings ● Non-uniform tension across the substrate when loading ● The roll loaded on the input spindle has been wound with different tensions at its two ends. NOTE: When printing with rolls that have not been precisely wound with the same tension along their width during manufacturing, you may notice that, while printing, one of the sides of the substrate between the input spindle and the main roller loses all tension. This may cause wrinkles on the platen or telescoping on the output spindle. If your prints suffer from any of the defects caused by wrinkles, here are some suggestions. 1. Check that the substrate you are using is the same type as the one you have selected in the Internal Print Server. 2. Check that you are using the generic substrate preset for the substrate category. The use of incorrect values may cause incorrect substrate behavior. 3. Check that there is no telescoping of the input roll. 4. Reload the substrate and try to minimize skew while loading. Check that you are loading the substrate using the correct procedure. ENWW Printing issues 221

Section	Page
Introduction	7
Welcome to your printer	8
Documentation	8
Safety precautions	8
General safety guidelines	9
Electrical shock hazard	9
Heat hazard	10
Fire hazard	10
Mechanical hazard	11
Light radiation hazard	12
Sound pressure level	12
Chemical hazard	12
Heavy substrate hazard	12
Ink handling	12
Ventilation	12
Air conditioning	12
Use of tools and keys	13
Warnings and cautions	13
Warning labels	14
Emergency stop buttons	16
Disposal instructions	16
General cleaning instructions	17
Main components	18
Front view	18
Rear view	19
Carriage view	20
Printer software	20
Turn on the printer for the first time	21
Turn the printer on and off	21
Move the printer	22
Printer status beacon	23
HP Internal Print Server	24
Start the Internal Print Server	25
Change the language of the Internal Print Server	25
Change the units of measurement in the Internal Print Server	26
Set the Internal Print Server preferences	26
General tab	26
Queue Rules tab	27
Additional Settings tab	27
Get QR code tab	28
Internal Print Server menus	28
Printer status and alerts	29
Update the firmware and the Internal Print Server	30
Update the firmware	30
Update the Internal Print Server	30
Update the HP IPS Services	30
RIP distribution	32
Printing workflows integration	33
Introduction to JDF	33
What is JDF?	33
Benefits of working with JDF for file submission	33
Working with JDF	33
Creating JDF job tickets	33
What information is captured by the printer, and what can be communicated by JMF to an MIS?	33
Guidelines for integration	34
How to integrate the printer into the Caldera RIP	34
How to integrate the printer into the Onyx RIP	35
Job submission methods	36
How to integrate the printer into an MIS system or production control software	37
Handle the substrate	39
Supported substrate types	40
Check the porosity of your substrate	40
Supported HP substrates	41
Substrate tips	42
Maintain the substrates	42
General tips	42
Color consistency	43
Substrate configurations	43
Prepare to print	44
The substrate edge holders	46
Install an edge holder	46
Replace an edge holder strip	47
Load a roll onto the spindle	48
Single-roll printing	48
Load a roll into the printer	49
Load a roll (roll-to-roll configuration)	49
View information about the loaded substrate	53
Unload a roll	53
Output platen light	54
Substrate presets	54
Export multiple presets	55
Use a new substrate	56
Create a new substrate preset	56
Edit a substrate preset	57
On-the-fly adjustments	58
Optimize the preset for higher print speed	59
Action	59
Optimize for ink consumption	59
Action	59
Considerations	59
Recommended print modes for each substrate type	59
Adjust the printing workflow for optimum color performance	60
Remove a substrate preset	60
Online substrate manager	60
Sorting	61
Structured search	61
Free text search	61
Install new substrate	61
Update existing substrate	63
Substrate synchronization	63
Set the carriage beam position	64
Create and manage print jobs	65
Add a new print job	66
Rotate a print job	69
Manage the print queue	69
Delete a print job	70
Image composition	71
Nesting	71
The Choose Image File window	71
The Job Properties window	71
The Advanced Nesting Arrangement window	72
Handle the ink system	74
Ink system components	75
Ink cartridges	75
Printheads	75
Printhead cleaning roll	76
Aerosol filters	76
Left spittoon	76
Ink deposits	76
How to work with ink system components	76
Ink cartridges	76
Remove an ink cartridge	76
Insert an ink cartridge	77
Maintain the ink cartridges	78
Check the status of the ink cartridges	78
Printheads	79
Remove a printhead	79
Insert a printhead	80
Maintain the printheads	82
Check and clean the printheads	82
Safe mode	83
Replace the printhead cleaning roll, filters, and spittoon	83
Replace the aerosol filters	84
Replace the left spittoon	86
Replace the printhead cleaning roll	87
Printer calibration	94
Align the printheads	95
Automatic alignment procedure	95
Manual alignment procedure	96
Possible difficulties with printhead alignment	98
A pattern shows more than one good correction	98
Printhead alignment diagnostics plot	98
Color calibration	99
Color consistency between different HP Stitch printers	101
Color emulation of other printer models	101
Emulating an HP Stitch S1000 on an HP Stitch S300 or S500 printer	102
Color profiles	102
Substrate-advance calibration	103
Manual substrate-advance calibration	104
Calibrations specific to one substrate preset	104
Recommended calibrations after particular events	105
HP Print Care	106
Print Care diagnostics	107
Ink collector	109
Use the ink collector	110
Kit components	110
Recommended solution space	110
Install the kit	111
Uninstall the kit	113
Maintain the ink collector	115
Summary of maintenance operations	115
Clean the aerosol nozzle plate and filters	115
Clean the output platen	115
Wipe the ink-collector modules	115
Printer maintenance	115
Clean the print zone	116
Replace the ink-collector foams	116
Replace the aerosol extractor filters	117
Troubleshooting for ink-collector-enabled substrates	119
There are marks on ink collector enabled substrate	119
Grain and text sharpness	119
Color consistency	119
Hardware maintenance	120
Safety precautions	121
Maintenance resources	121
Maintenance kits and tools	121
Up-time user spare parts kits	121
Printer cleaning kit contents	122
Printer maintenance kit contents	123
Maintenance tools recommended but not provided	123
Summary of maintenance operations and kits	125
How to perform maintenance operations	128
Perform maintenance with Print Care wizards	128
Perform maintenance without Print Care wizards	129
How to turn the printer off and on for maintenance operations	131
Turn the printer off	131
Turn the printer on	132
Daily maintenance	134
Check and clean the printer, print zone, and output platen	135
Check and clean the printer	135
Clean the print zone	135
Clean the bottom plate	137
Clean the aerosol nozzle plate and filters	137
Clean the substrate-advance sensor	140
Clean the ink-collector ribs	141
80 liter maintenance	143
Clean the bottom of the carriage and the line sensor	144
Clean the drop detector and the capping station	146
Clean the e-box fan filters	148
Clean the e-cabinet fan filters	150
Clean the output cover	152
Clean the carriage cooling fan	154
Clean two dryer PCA fan filters	155
Empty the printhead cleaning waste bottle	158
750 liter maintenance	160
Clean the drive roller and pinchwheels	161
Clean and lubricate the scan axis and mechanical transmissions	162
Clean and lubricate the drop-detector rods	166
Clean the scan-axis encoder	167
1500 liter maintenance	169
Clean the substrate drive transmission	170
Grease the printhead primers	170
Clean impelling dust in scan-axis chain	172
Clean the drying fans and diffuser	173
Clean the drop-detector encoder strip	175
Replace the printhead cleaning blade	176
Replace the carriage oil wicks, felts, and clean and oil the scan axis rods	178
Replace an intermediate tank	180
Replace the e-cabinet fan filters	181
Replace e-box fan filter	182
Replace the dryer fan filters	184
Replace a service station cap	185
When required	187
Printer safety check	188
Check and clean the printheads	189
Clean the scan-axis beam	189
Clean the printhead contacts	192
Clean the carriage rails manually	195
Check and clean dirt from scan axis and mechanical transmissions	197
Replace a pinchwheel submodule	198
Replace a primer and latch	200
Replace the aerosol fan module (trained expert users only)	203
Replace an intermediate tank (trained users only)	207
Replace an e-cabinet fuse	209
Replace a spindle valve	211
Replace the pinch clamp	212
Replace spindle gear and end cap	212
Replace the drying fan and resistor module	216
Replace the spectrophotometer shutter	220
Troubleshoot substrate issues	223
Loading issues	224
The substrate cannot be loaded successfully	224
The substrate has jammed	224
The substrate is not attached to the core and/or spindle	224
The substrate is not flat	225
Printing issues	226
A spindle latch suddenly opens during printer operation	226
The substrate advances with a loud continuous sound of vibration	226
There is skew or telescoping on the output spindle	226
There are wrinkles and ink smears on the substrate	227
There are ink marks on the substrate	228
The substrate sticks to the platen	228
There are physical marks on the substrate	229
There are drops of ink on the substrate	229
Print length issues	229
The print is shorter than expected	229
How to achieve better consistency between jobs of the same length	229
Troubleshoot print-quality issues	231
General advice	232
What can affect print quality	232
Print mode	232
Nozzle health	233
Substrate settings	233
Substrate advance	233
Printhead alignment	233
Print-quality troubleshooting	233
Banding	234
Horizontal thin lines	234
Horizontal dark/light zone banding	234
Aeroworms	235
Vertical banding	235
Color	236
Misalignment	236
Accuracy	236
Grain	236
Bleeding	237
Edge roughness, text quality	237
Ink migration	238
Troubleshoot ink cartridge and printhead issues	239
Ink cartridges	240
Cannot insert an ink cartridge	240
The Internal Print Server does not recognize an ink cartridge	240
The Internal Print Server recommends replacing or reseating an ink cartridge	240
Bent ink cartridge connector	240
Printheads	240
Cannot insert a printhead	240
The Internal Print Server recommends replacing or reseating a printhead	241
General recommendations	241
Problem due to overheating	241
Problem due to the primer system	241
Printhead health troubleshooting	242
Printhead status plot	242
Drop-detector diagnostics	243
Decision table	243
Hard clean	244
New printhead is rejected	244
Automatic printhead alignment fails	244
Printhead cleaning roll errors	245
Troubleshoot other issues	246
The printer does not start	247
The printer does not print	247
The printer cannot be restarted from the Internal Print Server	247
The printer seems slow	247
Request to reinitialize the carriage	247
The Internal Print Server cannot detect the printer	247
Print Care spontaneously restarts	248
Color calibration fails	248
When you need help	249
HP Proactive Support	249
HP Customer Care	250
HP Customer Care Centers	250
Service information	250
Printer specifications	252
Functional specifications	253
Physical specifications	253
Memory specifications for the Internal Print Server computer	253
Power specifications	254
Air supply requirements (pneumatic spindle)	254
Air pressure supply	254
Pneumatic connector	254
Ecological specifications	254
Environmental specifications	254
Acoustic specifications	255
Exhaust specifications	255
Printer messages	256
Summary of common sublimation problems	260
Glossary	261

Match case Limit results 1 per page

Generally, the main contributor to skew is an imprecise substrate load, and the eﬀects of that are worse with

wide rolls. However, if you have some skew or telescoping but this does not aﬀect your print quality, and does

not generate wrinkles in the substrate (see

There are wrinkles and ink smears on the substrate

on page

221

there is no need to take any action. However, you are recommended to reload the substrate in order to eliminate

any potential problem.

Some substrate rolls already come with skew; in that case the recommendations are as follows:

Try to load the substrate following the correct procedure, taking as a reference of the roll’s width the

average between peaks of skew.

Start with the recommended conﬁguration for each substrate, and increase vacuum and tension step by

step, in steps of 5 mmH

O for vacuum and 5 N·m for tension.

There are wrinkles and ink smears on the substrate

Wrinkles in the substrate indicate that the substrate settings that control the substrate shape are not optimized.

This can cause various printing defects:

●

Colored bands in area ﬁlls in the vicinity of the wrinkles

●

Ink smears if the printhead touches the substrate

●

Cockle

●

A substrate crash if the printhead's movement over the substrate is impeded

There are various reasons why wrinkles and other consequent eﬀects could appear while printing:

●

Incorrect loading of the substrate

●

Incorrect routing of the substrate through the printer

●

Incorrectly positioned edge holders

●

Drying temperature too high for the substrate

●

Diﬀerential expansion of the substrate due to variations in temperature

●

Insuﬀicient tension settings

●

Non-uniform tension across the substrate when loading

●

The roll loaded on the input spindle has been wound with diﬀerent tensions at its two ends.

NOTE:

When printing with rolls that have not been precisely wound with the same tension along their width

during manufacturing, you may notice that, while printing, one of the sides of the substrate between the input

spindle and the main roller loses all tension. This may cause wrinkles on the platen or telescoping on the output

spindle.

If your prints suﬀer from any of the defects caused by wrinkles, here are some suggestions.

Check that the substrate you are using is the same type as the one you have selected in the Internal Print

Server.

Check that you are using the generic substrate preset for the substrate category. The use of incorrect

values may cause incorrect substrate behavior.

Check that there is no telescoping of the input roll.

Reload the substrate and try to minimize skew while loading. Check that you are loading the substrate

using the correct procedure.

ENWW

Printing issues

221