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HP DesignJet T770 Series User Manual

HP DesignJet T770 Series
222 pages
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13 Maintaining the printer
Check printer status ......................................................................................................................... 130
Clean the exterior of the printer ........................................................................................................ 130
Maintain the ink cartridges ............................................................................................................... 130
Move or store the printer .................................................................................................................. 130
Update the firmware ......................................................................................................................... 131
Update the software ......................................................................................................................... 132
Printer maintenance kits ................................................................................................................... 132
Secure Disk Erase (T770 HD and T1200 series only) ..................................................................... 132
14 Accessories
How to order supplies and accessories ............................................................................................ 136
Introduction to the accessories ......................................................................................................... 140
15 Troubleshooting paper issues
The paper cannot be loaded successfully ........................................................................................ 144
The paper type is not in the driver .................................................................................................... 145
The printer printed on the wrong paper type .................................................................................... 147
An “on hold for paper” message (T1200 series only) ....................................................................... 147
The roll paper will not advance ......................................................................................................... 148
The paper has jammed .................................................................................................................... 148
A strip stays on the output tray and generates jams ........................................................................ 151
The printer displays out of paper when paper is available ............................................................... 152
Prints do not fall neatly into the basket ............................................................................................. 152
The sheet stays in the printer when the print has been completed .................................................. 152
The paper is cut when the print has been completed ....................................................................... 152
The cutter does not cut well ............................................................................................................. 152
The roll is loose on the spindle ......................................................................................................... 152
Recalibrate the paper advance ........................................................................................................ 152
16 Troubleshooting print-quality issues
General advice ................................................................................................................................. 156
Print quality troubleshooting wizard .................................................................................................. 156
Horizontal lines across the image (banding) .................................................................................... 157
Lines are too thick, too thin or missing ............................................................................................. 158
Lines appear stepped or jagged ....................................................................................................... 158
Lines print double or in the wrong colors .......................................................................................... 159
Lines are discontinuous .................................................................................................................... 160
Lines are blurred .............................................................................................................................. 160
Line lengths are inaccurate .............................................................................................................. 161
The whole image is blurry or grainy ................................................................................................. 161
The paper is not flat .......................................................................................................................... 162
The print is scuffed or scratched ...................................................................................................... 162
Ink marks on the paper ..................................................................................................................... 163
Black ink comes off when you touch the print .................................................................................. 164
Edges of objects are stepped or not sharp ....................................................................................... 164
vi ENWW

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HP DesignJet T770 Series Specifications

General IconGeneral
Print TechnologyThermal Inkjet
Print ResolutionUp to 2400 x 1200 optimized dpi
Line Accuracy+/- 0.1%
Ink TypesDye-based (color), pigment-based (black)
ConnectivityHi-Speed USB 2.0 certified
Number of Print Cartridges6 (cyan, magenta, yellow, gray, matte black, photo black)
Hard Disk160 GB
Print LanguagesHP-GL/2, HP-RTL
Maximum Print Width24-in: 610 mm
Media TypesBond and coated paper, technical paper, film, photographic paper, self-adhesive
Processor1.2 GHz
Operating Systems SupportedWindows, Mac OS
Dimensions1770 x 700 x 1050 mm
Power Consumption (Voltage)100 to 240 VAC (+/- 10%), 50/60 Hz
Media Sizes Supported24-inch models: 8.3 to 24-in wide sheets, 24-in wide rolls; 44-inch models: 8.3 to 44-in wide sheets, 44-in wide rolls

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