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HP Designjet T790 Series - Page 6

HP Designjet T790 Series
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About the printheads ............................................................................................................ 129
Check the printhead status .................................................................................................... 129
Remove a printhead ............................................................................................................. 129
Insert a printhead ................................................................................................................. 132
14 Maintaining the printer ............................................................................................... 136
Check printer status .............................................................................................................. 137
Clean the exterior of the printer ............................................................................................. 137
Maintain the ink cartridges .................................................................................................... 137
Move or store the printer ....................................................................................................... 137
Update the firmware ............................................................................................................. 138
Update the software ............................................................................................................. 139
Printer maintenance kits ........................................................................................................ 139
Secure Disk Erase ................................................................................................................ 139
15 Accessories ................................................................................................................. 141
How to order supplies and accessories ................................................................................... 142
Introduction to the accessories ............................................................................................... 147
16 Troubleshooting paper issues ..................................................................................... 151
The paper cannot be loaded successfully ................................................................................ 152
The paper type is not in the driver .......................................................................................... 154
The printer printed on the wrong paper type ............................................................................ 155
An “on hold for paper” message (T1300 series) ...................................................................... 155
The roll paper will not advance .............................................................................................. 157
The paper has jammed ......................................................................................................... 157
A strip stays on the output tray and generates jams .................................................................. 160
The printer displays out of paper when paper is available ......................................................... 161
Prints do not fall neatly into the basket .................................................................................... 161
The sheet stays in the printer when the print has been completed ............................................... 161
The paper is cut when the print has been completed ................................................................. 161
The cutter does not cut well ................................................................................................... 161
The roll is loose on the spindle ............................................................................................... 161
Recalibrate the paper advance .............................................................................................. 161
17 Troubleshooting print-quality issues ............................................................................ 164
General advice .................................................................................................................... 166
Print quality troubleshooting wizard ........................................................................................ 166
Horizontal lines across the image (banding) ............................................................................ 167
Lines are too thick, too thin or missing .................................................................................... 168
Lines appear stepped or jagged ............................................................................................ 168
Lines print double or in the wrong colors ................................................................................. 169
Lines are discontinuous ......................................................................................................... 169
vi ENWW

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