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HP Designjet L28500 HP Designjet L28500 Printer Series - User's guide - Page 84

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● The ink filter, which filters tiny droplets of waste ink before they pass into the printhead cleaning container. These components are designed to keep the printer's waste ink from damaging the printer and dirtying the environment. In order to keep the printer and its surroundings clean, you must ensure that these components are correctly installed and maintained. In particular, these steps are essential: 1. Connect the ink tube assembly. 2. Insert the ink funnel. 3. Insert the ink filter and close the filter box. 4. Install the printhead cleaning container. If the printer continues operating while these components are incorrectly installed or incorrectly connected, HP will not be responsible for any resulting damage or cleaning expenses. The printer displays a message on the front panel if it detects any problem with these components. Order ink supplies You can order the following ink supplies for your printer. Table 7-1 Ink cartridges Cartridge Capacity (ml) HP 792 Black Latex Designjet Ink Cartridge 775 HP 792 Cyan Latex Designjet Ink Cartridge 775 HP 792 Magenta Latex Designjet Ink Cartridge 775 HP 792 Yellow Latex Designjet Ink Cartridge 775 HP 792 Light Cyan Latex Designjet Ink Cartridge 775 HP 792 Light Magenta Latex Designjet Ink Cartridge 775 Part number CN705A CN706A CN707A CN708A CN709A CN710A 78 Chapter 7 The ink system ENWW

Section	Page
Introduction	7
Safety precautions	7
General safety guidelines	7
Electrical shock hazard	7
Heat hazard	8
Fire hazard	8
Mechanical hazard	9
Heavy substrate hazard	9
Ink handling	9
Warnings and cautions	9
Warning labels	9
The printer’s main features	10
The printer’s main components	11
Front view	11
Rear view	12
Edge holders case	13
Drying enclosure	13
Take-up reel motor	14
Loading accessory	14
The front panel	14
The Embedded Web Server	16
Main tab	16
Setup tab	16
Support tab	17
Turn the printer on and off	17
Restart the printer	18
Connectivity and software instructions	19
Connection method	19
Connect to a network	19
Basic setup options	21
Printer setup options	21
Change the language of the front panel	21
View or set the date and time	21
Set altitude	21
Request e-mail notification of specific error conditions	22
Change the warming duration	22
Change the sleep mode setting	22
Turn audio alerts on or off	22
Change the front panel display brightness	22
Change the units of measurement	23
Restore factory settings	23
Embedded Web Server setup options	23
Access the Embedded Web Server	23
Change the language of the Embedded Web Server	23
Restrict access to the printer	24
Join the Customer Involvement Program	24
Handle the substrate	27
Overview	27
Substrate tips	27
Supported substrate families	28
Supported HP substrates	29
Porous substrates	30
Load a roll onto the spindle	32
Load a roll into the printer (automatically)	35
Load a roll into the printer (manually)	38
Load a cut sheet into the printer	41
Unload a roll from the printer	42
The take-up reel	43
The tension bar	43
Load a roll onto the take-up reel	44
Unload a roll from the take-up reel	51
The edge holders	52
The loading accessory	53
Double-sided printing	57
View information about the substrate	59
Substrate length tracking	60
Form feed and cut	61
Store the substrate	61
Substrate settings	62
Download media presets	62
Add a new substrate	62
Summary	63
Select printer settings and color profile	63
Load the substrate and print the diagnostic plot	66
Change settings while printing	67
Advanced settings	67
Temperature profile	69
Select the number of passes	69
Check the quantity of ink on the substrate	71
Faster printing	74
Color calibration	74
Color profiles	75
Color reproduction tricks	76
Retrieving usage information	77
Get accounting information	78
Check usage statistics	78
Check usage statistics for a job	78
Request accounting data by E-mail	78
The ink system	80
Ink system components	80
Ink cartridges	80
Printheads	80
Printhead cleaning kit	81
Printhead cleaning cartridge	81
Ink funnel	82
Ink filter	82
Printhead cleaning container	82
The ink maintenance kit	83
Order ink supplies	84
Print options	86
Printer states	86
Change margins	86
Request the printer’s internal prints	87
Accessories	88
Order accessories	88
Printer status	89
Check printer status	89
Check the status of the ink system	89
Check the status of the ink cartridges	89
Check the status of a printhead	90
Check the file system	90
Printer alerts	91
Firmware update	92
Hardware maintenance	94
Ink system tips	94
Align the printheads	94
Automatic alignment	94
Manual alignment	95
Clean and lubricate the carriage rail	95
Clean the electrical connections on a printhead	97
Clean the exterior of the printer	101
Clean the platen	102
Clean after porous substrates	104
Clean (recover) the printheads	104
Clean the substrate-advance sensor window	105
Lubricate the platen rollers	106
Maintain the ink cartridges	108
Move or store the printer	108
Replace an ink cartridge	109
Refilled and non-HP ink cartridges	112
Replace the ink maintenance kit	113
Replace a printhead	119
Replace the printhead cleaning kit	124
Service maintenance	131
Troubleshoot print-quality issues	132
General printing advice	132
Use the printhead status plot	132
Print the printhead status plot	132
Interpret the printhead status plot	133
Corrective action	133
What to do if problems persist	133
Graininess	133
Horizontal banding	134
Adjust the substrate advance	135
Substrate advance adjustment on the fly	136
Vertical banding	136
The print is deformed into a curved shape	137
Misaligned colors	138
Color intensity varies	138
Lack of sharpness	139
Black areas look hazy	139
Ink smears	140
Subtle stains or uneven appearance	140
The ink smudges when touched, or looks oily	141
The dimensions of the print are wrong	141
Tiling issues	142
Troubleshoot substrate issues	143
The substrate cannot be loaded successfully	143
The substrate is mispositioned	144
The substrate has jammed	144
Check the substrate path	144
Check the printhead path	145
Avoiding substrate jams	146
The substrate is deformed or wrinkled	147
The substrate has shrunk or expanded	147
The substrate has bow deformation	148
The automatic cutter does not work	149
Take-up reel substrate jam	149
Take-up reel does not wind	149
Troubleshoot ink-system issues	151
Ink maintenance kit needs to be installed	151
Cannot insert an ink cartridge	151
Cannot insert a printhead	151
Cannot insert the printhead cleaning cartridge	151
Front panel recommends reseating or replacing a printhead	152
Clean the printheads	152
Align the printheads	152
Reinsert printheads procedure	153
Image Quality Maintenance menu procedure	154
Scan errors during alignment	154
Troubleshoot other issues	155
The printer cannot get an IP address	155
Cannot access the Embedded Web Server	155
The printer is not printing	156
The software program slows down or stalls while generating the print job	156
The printer seems slow	157
Communication failures between computer and printer	157
The platen rollers squeak	158
Front-panel error messages	159
Printer logs	162
When you need help	163
Introduction	163
Documentation	163
Customer Self Repair	163
HP Customer Care Centers	164
Telephone number	164
Service information	164
Printer specifications	165
Functional specifications	165
Physical specifications	167
Memory specifications	167
Power specifications	167
Environmental specifications	168
Acoustic specifications	168
Summary of common printing problems	169
Glossary	171