User ManualTable of ContentsUsing this guide2Introduction2How do I …2The problem is …2Tell me about …2Index2The printer's main components2Front view3Rear view4The heaters5The printer's front panel5Front panel controls and indicators6Using the front panel7Main scroller controls9Media feed side control panel9Take-up side control panel9Foot switches10The printer's heaters12The heater's front panel12Defining heater parameters12Connect to a computer13Choose the system configuration13Connection procedure13Turn the power on/off14Turn on the printer15Turn on the heater16Turn the power off17Turn off the printer17Turn off the heaters18Replace an ink cartridge18Print Modes21Safety precautions22General warnings22General cautions23Handling precautions25Power supply25Printer25Regular inspection and maintenance25Consumables25Install a media roll in the printer using the main scroller28Install a media roll in the printer using the sub-scroller42Use the take-up reel49Use the media edge guards57Tension bars58Feed side tension bar assembly59Take-up side assembly method59Use media tube flanges60Install the media tube flanges61Change the printhead height64Remove a media roll from the printer66Load cut sheet68Perform a manual media feed71Use manual nesting72Increase/reduce pressure on media76Pause or cancel print jobs77Offset media loading using the main scroller78Install dual media rolls on separate scrollers95Install dual media rolls on the main scroller108Use the take-up reel (dual media rolls)116Dual media rolls take-up method 1116Dual media rolls take-up method 2119Dual media rolls take-up method 3122Dual media rolls take-up method 4125Adjust the back tension of the sub-scroller125Remove dual rolls media edge guards for full width media printing127Printing on the back of the media after rewinding131Printing on the back of the media from the feed side (after relocating from take-up side)138side)145Double sided printing with a liner154Print on mesh tarpaulin (without dedicated liner)167Use the special edge guards for use with a liner178Use the liner separator bar183Install the separator bar support assembly184Install the separator bar186Regular maintenance guide189Daily printhead maintenance190Wiper blade and sponge cleaning191Capping unit cleaning196Prepare for extended power down (two to four weeks)198Ink system storage199weeks)202Clean ink system202Charge the ink system206Clean the exterior of the printer206Clean the rear cover and media feed206Clean the platen207Carriage cleaning209Replace the waste ink bottle210Normal printhead recovery213IQ print213Print the Image Quality print216Interpret the image quality print218Manage media types219Copy a media type to create a new one219Create a new media type220Modify media type settings221Delete a media type222Calibrate the printer223Calibrate media advance223Perform printhead position adjustment225Back feed adjustment print227Back feed adjustment while printing228Adjust heater and print mode settings229The problem is… (checklist)234A printhead crash235Ink cartridge is not installed238Ink cartridge is not detected238Ink cartridge is near expiry date238Ink cartridge has passed its expiry date239An error message239Service errors239POC error messages240Engine error messages240System error messages240Operator error messages240Ink cartridge240The ink LED flashes242Waste ink bottle is not installed242Waste ink bottle is full242Media crash242Media242Error LED is flashing243Other messages243An abnormal sound244Operating conditions248Installation space248Environmental conditions248Operating temperature and humidity levels248Places where the printer must not be installed249The power supply249Power249Dryer250Exhaust attachment250Front panel messages and printer state250Messages on the front panel250Initialization display250Online state (idle mode) display251Online state (print mode) display251Online state (print pause mode) display251Print stop and resume251Print cancel (end)251Online state (print information mode) display252Offline (menu mode) display252Shutdown state display253Storing media255Disposing of media255Using media256Handling prints256Other precautions256Ink cartridges257Replacing an ink cartridge259Ink cartridge storage and disposal260HP 790 Waste Ink Bottle261Precautions for handling the waste ink bottle261HP 790 Cap Cleaning Kit261HP 790 Wiper Cleaning Liquid Kit262HP 790 Ink System Storage Kit262HP 790 Ink System Cleaning Kit262General recommendations266Menu operations270Menu structure270Making front panel selections and settings270To define a setting270To define a value271Character list272The INK menu & messages273Replacing an empty ink cartridge273Replacing ink cartridges during printing273The ink cover is open273The ink cartridge is empty274The MEDIA menu274The MEDIA REG menu275Selecting a media type number (SELECT MEDIA)276Setting a media type name (RENAME MEDIA)276Media advance value (MEDIA ADV VALUE)276Manufacturing default media advance value (MFNG VAL)276Dry time value (DRY TIME VALUE)277Print mode setting (PRINT MODE)277Print direction setting (PRINT DIRECTION)277Use media edge guard (USE EDGE GUARD)278Media advance mode (MEDIA ADV MODE)278Leading edge mode (LEADING EDGE)278Vacuum level setting (VACUUM LEVEL)279Initial temperature setting for the front heater (FRONT HEATER T)279Initial temperature setting for the print heater (PRINT HEATER T)280Initial temperature setting for the rear heater (REAR HEATER T)280Color stripe setting (COLOR STRIPE)281Printhead firing mode setting (IMAGE GRADIENT)281Printhead height setting (PH HEIGHT VAL)282Bidirectional print position (Left) adjustment (YY BIDIR DEF(L))282Bidirectional print position (Right) adjustment (YY BIDIR DEF(R))282Bidirectional print position (Left) adjustment (YY BIDIR F.D (L))282Bidirectional print position (Right) adjustment (YY BIDIR F.D (R))283Printhead cleaning mode (PH CLEANING)283Media back feed adjustment (BACK ADJUST VAL)284Media advance preference (ADVANCE PREF)284Print mode preference (PRINT MODE PREF)284Heater preference (HEATER PREF)285Media width detection (WIDTH DETECTION)285Media width (MEDIA WIDTH)285Liner width (LINER WIDTH)285Unstick mode (UNSTICK MODE)286Printhead rest period (PH REST PERIOD)286Printhead rest time (PH REST TIME)286Printhead temperature rest (PH TEMP REST)286Deleting a media type (DELETE MEDIA)287Copying a media type (COPY MEDIA)287Pasting a media type (PASTE MEDIA)287Default values for media types288Media advance calibration289Media advance calibration print289Media advance adjustment print290Back feed adjustment print290Media back feed adjustment value290The PH. MAIN menu291Ink system optimization (INK SYS OPT)291Cap cleaning (CAP CLEANING)292Wiper cleaning (WIPER CLEANING)292Washing with printheads (WASH PRINTHEADS)292Printhead height (PH HEIGHT ADJ)292Ink (INK WASTE)293The PH RECOVERY menu293The FEED menu293The PRINTER menu294Configuration print (CONFIG PRINT)294Error log information print (ERROR LOG PRINT)294History print (HISTORY PRINT)294The ADJUST menu295Adjustment pattern print (TEST PRINTS)295Printhead nozzle position adjustment (#YY PH ROW VAL)295Printhead position adjustment (#YY PH TO PH VAL)295Bidirectional print position (Left) adjustment (YY BIDIR DEF(L))296Bidirectional print position (Right) adjustment (YY BIDIR DEF(R))296Bidirectional print position (Left) adjustment (YY BIDIR F.D (L))296Bidirectional print position (Right) adjustment (YY BIDIR F.D (R))297The SETUP menu297Language for front panel (LANGUAGE)297Acoustic warning (BEEP)297End of ink acoustic warning (END OF INK BEEP)297BOOT version display (BOOT VERSION)298F/W version display (F/W VERSION)298Main PCA version display (MAIN PCA VER)298ICB board version display (CARRIAGE PCA)298ASIC version display (ASIC VER)298Heater H/W version display (HEATER HW VER)299Heater F/W version display (HEATER FW VER)299HEB board H/W version (HEB Version)299USB address (USB ADDRESS)299USB speed (USB SPEED)299Factory default setting (FACTORY DEFAULT)300The heaters301Heater temperature settings302Heater preset temperature by medium303Flow of heater temperature setting304Temperature control304Maintaining the preset temperature304Maintaining the standby temperature305Turning off the heaters305The heater front panel305Display in normal mode305Display — heater on306Display — heater off306Display — heater AC power is turned off306Heater parameter setup mode306Setup items and parameters306Heater error messages307Specifications310Ecological specifications311Ordering supplies314Ordering media314Ordering accessories315HP Customer Care317HP Designjet Online318Index319Size: 4.32 MBPages: 330Language: EnglishOpen manual
