An abnormal sound ........................................................................................................................

244

9 The problem is print quality

 

10 Tell me about… (basic knowledge topics)

 

Operating conditions ......................................................................................................................

248

Installation space ....................................................................................................

248

Environmental conditions .......................................................................................

248

Operating temperature and humidity levels ....................................

248

Places where the printer must not be installed ...............................

249

The power supply ...........................................................................................................................

249

Power ....................................................................................................................

249

Dryer .......................................................................................................................

250

Exhaust attachment ................................................................................................

250

Front panel messages and printer state .........................................................................................

250

Messages on the front panel ..................................................................................

250

Initialization display .........................................................................

250

Online state (idle mode) display ......................................................

251

Online state (print mode) display ....................................................

251

Online state (print pause mode) display .........................................

251

Print stop and resume .............................................

251

Print cancel (end) ....................................................

251

Online state (print information mode) display .................................

252

Offline (menu mode) display ...........................................................

252

Shutdown state display ...................................................................

253

11 Tell me about media

 

Storing media .................................................................................................................................

255

Disposing of media .........................................................................................................................

255

Using media ...................................................................................................................................

256

Handling prints ...............................................................................................................................

256

Other precautions ...........................................................................................................................

256

12 Tell me about the ink system

 

Ink cartridges ..................................................................................................................................

257

Replacing an ink cartridge ..............................................................................................................

259

Ink cartridge storage and disposal .................................................................................................

260

HP 790 Waste Ink Bottle ................................................................................................................

261

Precautions for handling the waste ink bottle .........................................................

261

HP 790 Cap Cleaning Kit ...............................................................................................................

261

HP 790 Wiper Cleaning Liquid Kit ..................................................................................................

262

HP 790 Ink System Storage Kit ......................................................................................................

262

HP 790 Ink System Cleaning Kit ....................................................................................................

262

13 Tell me about waste management

 

General recommendations .............................................................................................................

266

14 Tell me about front panel menus

 

vi

ENWW