HP DesignJet T770 Series User Manual

Edges of objects are darker than expected ...................................................................................... 156
Horizontal lines at the end of a cut sheet print ................................................................................. 156
Vertical lines of different colors ........................................................................................................ 157
White spots on the print .................................................................................................................... 157
Colors are inaccurate ....................................................................................................................... 157
Colors are fading .............................................................................................................................. 158
The image is incomplete (clipped at the bottom) .............................................................................. 158
The image is clipped ........................................................................................................................ 158
Some objects are missing from the printed image ........................................................................... 159
A PDF file is clipped or objects are missing ..................................................................................... 160
The Image Diagnostics Print ............................................................................................................ 160
If you still have a problem ................................................................................................................. 162
17 Troubleshooting ink cartridge and printhead issues ............................................................................ 163
Cannot insert an ink cartridge .......................................................................................................... 164
Ink cartridge status messages .......................................................................................................... 164
Cannot insert a printhead ................................................................................................................. 164
The front-panel display recommends reseating or replacing a printhead ........................................ 164
Clean the printheads ........................................................................................................................ 165
Clean the printhead drop detector .................................................................................................... 165
Align the printheads .......................................................................................................................... 168
Printhead status messages .............................................................................................................. 170
18 Troubleshooting general printer issues ................................................................................................. 171
The printer will not start .................................................................................................................... 172
The printer does not print ................................................................................................................. 172
The printer seems slow .................................................................................................................... 173
Communication failures between computer and printer ................................................................... 173
Cannot access the HP Utility ............................................................................................................ 174
Cannot access the Embedded Web Server ..................................................................................... 174
Automatic file system check ............................................................................................................. 174
An AutoCAD 2000 memory allocation error ..................................................................................... 175
No output when printing from Microsoft Visio 2003 .......................................................................... 175
Unavailable driver features when printing from QuarkXpress .......................................................... 175
Printer alerts ..................................................................................................................................... 176
19 Front-panel error messages .................................................................................................................... 177
20 HP Customer Care .................................................................................................................................... 179
Introduction ....................................................................................................................................... 180
HP Professional Services ................................................................................................................. 180
HP Instant Support ........................................................................................................................... 181
HP Proactive Support ....................................................................................................................... 181
Contact HP Support ......................................................................................................................... 182
ENWW vii

HP DesignJet T770 Series Specifications

General

Print Technology	Thermal Inkjet
Print Resolution	Up to 2400 x 1200 optimized dpi
Line Accuracy	+/- 0.1%
Ink Types	Dye-based (color), pigment-based (black)
Connectivity	Hi-Speed USB 2.0 certified
Number of Print Cartridges	6 (cyan, magenta, yellow, gray, matte black, photo black)
Hard Disk	160 GB
Print Languages	HP-GL/2, HP-RTL
Maximum Print Width	24-in: 610 mm
Media Types	Bond and coated paper, technical paper, film, photographic paper, self-adhesive
Processor	1.2 GHz
Operating Systems Supported	Windows, Mac OS
Dimensions	1770 x 700 x 1050 mm
Power Consumption (Voltage)	100 to 240 VAC (+/- 10%), 50/60 Hz
Media Sizes Supported	24-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