Epson WorkForce WF-7830 Series User Manual

Striped Patterns Appear
The bidirectional printing setting is enabled.
Solutions
When printing on plain paper, disable the bidirectional setting.
During bidirectional (or high speed) printing, the print head prints while moving in both directions, and
vertical lines may be misaligned. Disabling this setting may slow down printing speed but improve print
quality.
❏ Windows
Clear Bidirectional Printing on the printer driver’s More Options tab.
❏ Mac OS
Select System Preferences from the Apple menu > Printers & Scanners (or Print & Scan, Print &
Fax), and then select the printer. Click Options & Supplies > Options (or Driver). Select O as the
High Speed Printing setting.
The print quality is set to low.
Solutions
When printing on photo paper, print using a higher quality setting.
❏ Windows
Select High from Quality on the printer driver's Main tab.
❏ Mac OS
Select Fine as Print Quality from the print dialog's Print Settings menu.
The print head nozzles may be clogged.
Solutions
Use the Print Quality Adjustment feature. If you have not used the printer for a long time, the print head
nozzles may be clogged and ink drops may not be discharged.
& “Adjusting the Print Quality” on page 123
Solving Problems > Printing, Copying, Scanning, and Faxing Quality is Poor > Print Quality is Poor
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Epson WorkForce WF-7830 Series Specifications

General

Print Technology	Inkjet
Functions	Print, Copy, Scan, Fax
Print Resolution	4800 x 2400 dpi
Max Print Size	13" x 19"
Duplex Printing	Yes
ADF Capacity	50 sheets
Maximum Scan Area	11.7" x 17"
Fax Speed	33.6 Kbps
Input Tray Capacity	250 sheets
Connectivity	USB, Ethernet, Wi-Fi, Wi-Fi Direct
Display	4.3" color touchscreen
Print Speed Color	12 ppm (ISO)
Scanner Type	Flatbed
Paper Sizes Supported	A4, A5, B5, Legal, Letter
Mobile Printing	Epson Connect, Apple AirPrint, Google Cloud Print
Ink Cartridges	4 individual ink cartridges (Black, Cyan, Magenta, Yellow)
Print Speed Black	25 ppm (ISO)