Epson WF-3820 Series User Manual

Blurry Copies, Vertical Banding, or Misalignment
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following causes can be considered.
The print head position is out of alignment.
Solutions
Align the print head using the Print Quality Adjustment feature.
The bidirectional printing setting is enabled.
Solutions
If print quality does not improve even aer aligning the print head, 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.
Select Settings > General Settings > Printer Settings, and then disable Bidirectional on the control
panel.
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.
Select Settings > General Settings > Printer Settings, and then disable Bidirectional on the control
panel.
Solving Problems > Printing, Copying, Scanning, and Faxing Quality is Poor > Copy Quality is Poor
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Epson WF-3820 Series Specifications

General

Print Technology	Inkjet
Max Print Resolution	4800 x 2400 dpi
Connectivity	USB, Ethernet, Wi-Fi, Wi-Fi Direct
Paper Capacity	250 sheets
Duplex Printing	Yes
Scanner Type	Flatbed color image scanner
Display	2.7" color touchscreen
Functions	Print, Copy, Scan, Fax
ADF Capacity	35 sheets
Scan Resolution	1200 x 2400 dpi
Fax Speed	33.6 Kbps
Ink Type	DURABrite Ultra pigment ink
Ink Cartridges	4 individual ink cartridges (Black, Cyan, Magenta, Yellow)
Paper Sizes Supported	A4, A6
Mobile Printing	Epson Connect, Apple AirPrint, Mopria
Dimensions (W x D x H)	16.7" x 19.8" x 10.8"