Epson WF-7820 Series User Manual

10
Checking the Nozzles Using the Product Control Panel ......................................................... 285
Checking the Nozzles Using a Computer Utility...................................................................... 287
Print Head Cleaning .................................................................................................................... 290
Cleaning the Print Head Using the Product Control Panel ...................................................... 290
Cleaning the Print Head Using a Computer Utility................................................................... 291
Print Head Alignment ....................................................................................................................... 294
Aligning the Print Head Using the Product Control Panel ............................................................ 294
Adjusting the Print Quality Using the Product Control Panel........................................................ 295
Cleaning the Paper Guide ................................................................................................................ 297
Checking the Number of Sheets ....................................................................................................... 297
Checking the Number of Sheets on the LCD Screen................................................................... 298
Cleaning and Transporting Your Product ............................................................................................. 299
Cleaning Your Product ..................................................................................................................... 299
Transporting Your Product ............................................................................................................... 302
Solving Problems .................................................................................................................................... 306
Viewing the Help Screen .................................................................................................................. 306
Checking for Software Updates........................................................................................................ 307
Product Status Messages ................................................................................................................ 308
Status Menu Error Codes................................................................................................................. 312
Running a Product Check ................................................................................................................ 314
Resetting Control Panel Defaults ..................................................................................................... 316
Solving Setup Problems ................................................................................................................... 317
Product Does Not Turn On or Off................................................................................................. 317
Noise After Ink Installation ........................................................................................................... 317
Software Installation Problems .................................................................................................... 318
Solving Network Problems ............................................................................................................... 318
Product Cannot Connect to a Wireless Router or Access Point .................................................. 319
Network Software Cannot Find Product on a Network................................................................. 320
Product Does Not Appear in Mac Printer Window ....................................................................... 321
Wireless Network Connection is Unstable on a Mac ................................................................... 321
Wired Network Connection Becomes Unstable........................................................................... 322
Cannot Print Over a Network....................................................................................................... 322
Cannot Scan Over a Network ...................................................................................................... 324

Epson WF-7820 Series Specifications

General

Print Resolution	4800 x 2400 dpi
Max Print Size	13" x 19"
Duplex Printing	Yes
Scan Resolution	1200 x 2400 dpi
Paper Capacity	250 sheets
ADF Capacity	50 sheets
Display	4.3" color touchscreen
Functions	Print, Copy, Scan, Fax
Scanner Type	Flatbed colour image scanner
Connectivity	Wi-Fi, Ethernet, Wi-Fi Direct, USB
Mobile Printing	Epson Connect, Apple AirPrint, Google Cloud Print
Paper Sizes	A3, A4, A5, A6, B4, B5, C6, DL
Fax Transmission Speed	Approx. 3 seconds per page
Fax Memory	Up to 550 pages
Print Technology	PrecisionCore
Ink Type	DURABrite Ultra Ink