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Manual substrate-advance compensation, otherwise

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If the substrate does not advance the proper distance between printhead passes, light or dark bands appear on the print, and there may be an increase in graininess. The printer has a substrate-advance sensor and is calibrated to advance correctly with most of the substrates that appear in the Internal Print Server. When the substrate is loaded, the substrate-advance sensor checks the substrate and decides whether it can be adjusted automatically or not. If not, the automatic adjustment is disabled. If the substrate cannot be adjusted automatically by the substrate-advance sensor and the substrate advance is not correct, you may wish to change the substrate-advance compensation manually. See Troubleshoot print-quality issues on page 275 for steps to determine whether substrate-advance compensation will help you. In general, substrate-advance calibration is recommended when you see print-quality problems related to substrate advance, or when you define a new substrate. NOTE: Manual substrate-advance compensation is available only when the manual advance mode is selected in the Internal Print Server, within Substrate details. The substrate-advance sensor may not work correctly if it is dirty. See Clean the substrate-advance sensor on page 174. If the sensor was dirty, after cleaning it the advance compensation already calculated may not be valid, so you are recommended to check it by using the advance plot in the Internal Print Server, whether you are in automatic or manual advance compensation mode. If the advance is correct, do not change the configuration; otherwise, change the advance compensation to manual mode and follow the process described in Manual substrate-advance compensation on page 135. Manual substrate-advance compensation When printing with manual substrate advance, the printer will use default settings. If you want to improve these settings, you can fine-tune the substrate advance for a particular substrate type. The following steps describe the process to adjust the manual substrate advance using the Internal Print Server. This process is available only for a non-generic substrate preset; if you are using a generic preset, you can clone it and use the resulting new preset instead (see Edit a substrate preset on page 76.). NOTE: These steps are the same for single- and dual-roll printing. 1. Ensure that the printheads are correctly aligned. Manual substrate-advance compensation 135

Section	Page
Introduction	8
Welcome to your printer	8
Printer accessories and consumables	9
Documentation and useful links	9
Safety precautions	10
Main components	20
Printer software	22
Turn on the printer for the first time	22
Turn the printer on and off	23
Move the printer	24
Printer status beacon	25
HP Internal Print Server	27
Start the Internal Print Server	27
Internal Print Server widgets	28
Printer status and alerts	29
Update the printer’s firmware and software (Internal Print Server)	30
Internal Print Server settings and preferences	34
RIP distribution	35
Install and configure the RIP software	36
Install ONYX software and set up the driver	36
Install Caldera software and set up the driver	38
Printing workflows integration	41
Introduction to JDF	41
Benefits of working with JDF for file submission	41
Creating JDF job tickets	41
What printer information can be communicated to an MIS?	42
How to integrate the printer into the Caldera RIP	42
How to integrate the printer into the Onyx RIP	42
Job submission methods	42
How to integrate the printer into an MIS system or production control software	43
Handle the substrate	44
Supported substrate types	44
Supported HP substrates	46
Substrate tips	47
Color consistency	48
Substrate configurations	49
Prepare to print	50
Substrate edge holders	51
Load a roll onto the spindle	53
Load a roll into the printer	55
Double-sided printing	63
Output-platen light	67
Consistency mode (optimize for tiling)	67
Optimize for ink consumption	68
Create and manage print jobs	70
Add a new print job	70
Substrate presets	72
Use a new substrate	72
Prepare the printer for a new substrate	72
Add a substrate preset	72
Online substrate manager	78
Edit a substrate preset	83
Remove a substrate preset	86
Export multiple presets	86
Job properties	86
Set the carriage beam position	88
Handle the ink system	90
Ink system components	90
How to work with ink system components	93
Printing with white ink (2700W only)	120
Printer calibration	132
Align the printheads	132
Possible difficulties with printhead alignment	138
Color calibration	139
Color consistency between different HP Latex 2700 series printers	141
Color profiles	141
Substrate-advance compensation	141
Calibrations specific to one substrate preset	146
Recommended calibrations after particular events	146
Accessories	147
Accessory compatibility	147
Spindle	147
Dual-roll printing	148
Jumbo dual-roll kit	150
Diverter roller	151
In-line slitters	152
Substrate saver	154
Ink collector	159
Roll to free fall	164
Roll to collector	164
Hardware maintenance	166
Safety precautions	166
Maintenance resources	166
Summary of maintenance operations	168
How to perform maintenance operations	169
Diagnostics	266
Troubleshoot substrate issues	269
Substrate cannot be loaded successfully	269
Substrate has jammed	269
Substrate is not attached to the core and/or spindle	270
Substrate is not flat	271
Spindle latch suddenly opens during printer operation	271
Substrate advances with a loud continuous sound of vibration	271
There is skew or telescoping on the output spindle	272
There are wrinkles and ink smears on the substrate	273
There are ink marks on the substrate	276
Substrate sticks to the platen	276
There are physical marks on the substrate	277
There are drops of ink on the substrate	278
Print is shorter than expected	279
How to achieve better consistency between jobs of the same length	279
Collector stops winding	280
Collector occasionally fails to work correctly	280
Collector winds in the wrong direction	281
Substrate is detached or winds around the collector in the wrong direction	281
There is skew or telescoping on the collector	281
Substrate has jammed on the collector	281
Troubleshoot print-quality issues	282
General advice	282
Basic and advanced troubleshooting	283
Troubleshoot ink cartridge and printhead issues	298
Ink cartridges	298
Printheads	299
Printhead cleaning roll errors	304
Troubleshoot other issues	305
Printer does not start	305
Printer does not print	305
Printer cannot be restarted from the Internal Print Server	305
Printer seems slow	306
Request to reinitialize the carriage	306
Internal Print Server cannot detect the printer	306
Color calibration fails	306
Movable Slot System sensor errors	307
When you need help	309
HP Customer Care	309
HP PrintOS: the cloud-based platform for print specialists	309
Printer specifications	330
Functional specifications	330
Physical specifications	331
Memory specifications	332
Power specifications	332
Air supply requirements (pneumatic spindle)	332
Environmental specifications	333
Acoustic specifications	333
Flexible substrate recommendations	335
Predefined substrate settings	335
Self-adhesive vinyls	335
PVC banners	336
Papers	336
Textiles	337
Flexible films	337
Print-quality-troubleshooting summary table	339
Glossary	340

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If the substrate does not advance the proper distance between printhead passes, light or dark bands appear

on the print, and there may be an increase in graininess. The printer has a substrate-advance sensor and is

calibrated to advance correctly with most of the substrates that appear in the Internal Print Server. When the

substrate is loaded, the substrate-advance sensor checks the substrate and decides whether it can be adjusted

automatically or not. If not, the automatic adjustment is disabled.

If the substrate cannot be adjusted automatically by the substrate-advance sensor and the substrate advance

is not correct, you may wish to change the substrate-advance compensation manually. See

Troubleshoot

print-quality issues

on page

275

for steps to determine whether substrate-advance compensation will help

you. In general, substrate-advance calibration is recommended when you see print-quality problems related to

substrate advance, or when you deﬁne a new substrate.

NOTE:

Manual substrate-advance compensation is available only when the manual advance mode is selected

in the Internal Print Server, within

Substrate details

The substrate-advance sensor may not work correctly if it is dirty. See

Clean the substrate-advance sensor

page

174

If the sensor was dirty, after cleaning it the advance compensation already calculated may not be valid, so

you are recommended to check it by using the advance plot in the Internal Print Server, whether you are in

automatic or manual advance compensation mode. If the advance is correct, do not change the conﬁguration;

otherwise, change the advance compensation to manual mode and follow the process described in

Manual

substrate-advance compensation

on page

135

Manual substrate-advance compensation

When printing with manual substrate advance, the printer will use default settings. If you want to improve these

settings, you can ﬁne-tune the substrate advance for a particular substrate type.

The following steps describe the process to adjust the manual substrate advance using the Internal Print Server.

This process is available only for a non-generic substrate preset; if you are using a generic preset, you can clone it

and use the resulting new preset instead (see

Edit a substrate preset

on page

.).

NOTE:

These steps are the same for single- and dual-roll printing.

Ensure that the printheads are correctly aligned.

Manual substrate-advance compensation

135