Epson WF-C5790 Series User Manual

Moiré Patterns (Web-Like Shadows) Appear
If the original is a printed document, moiré patterns (web-like shadows) may appear in the scanned image.
❏ On the Advanced Settings tab in Epson Scan 2, set Descreening.
❏ Change the resolution, and then scan again.
Related Information
& “Application for Scanning Documents and Images (Epson Scan 2)” on page 182
Cannot Scan the Correct Area on the Scanner Glass
❏ Make sure the original is placed correctly against the alignment marks.
❏ If the edge of the scanned image is missing, move the original slightly away from the edge of the scanner glass.
❏ When scanning from the control panel and selecting the auto scan area cropping function, remove any trash or
dirt from the scanner glass and document cover. If there is any trash or dirt around the original, the scanning
range expands to include it.
Related Information
& “Placing Originals” on page 36
& “Cleaning the Scanner Glass” on page 179
Text is Not Recognized Correctly when Saving as a Searchable PDF
❏ On the Image Format Options window in Epson Scan 2, check that Text L angua ge is set correctly on the Te xt
tab.
❏ Check that the original is placed straight.
❏ Use an original with clear text. Text recognition may decline for the following types of originals.
❏ Originals that have been copied a number of times
❏ Originals received by fax (at low resolutions)
❏ Originals on which the letter spacing or line spacing is too small
❏ Originals with ruled lines or underlining over the text
❏ Originals with hand-written text
❏ Originals with creases or wrinkles
❏ In Epson Scan 2, when Image Type on the Main Settings tab is set to Black & White, adjust the reshold on
the Advanced Settings tab. When you increase the reshold, the black color area becomes larger.
User's Guide
Solving Problems
222

Epson WF-C5790 Series Specifications

General

Print Resolution	4800 x 1200 dpi
Automatic Duplex Printing	Yes
Scan Resolution	1200 x 2400 dpi
ADF Capacity	50 sheets
Monthly Duty Cycle	Up to 45, 000 pages
Display	4.3" color touchscreen
Maximum Paper Size	8.5" x 47.2"
Fax	Yes
Product Type	Multifunction Printer
Output Capacity	150 sheets
Print Technology	PrecisionCore
Paper Capacity	250 sheets
Connectivity	USB, Ethernet, Wi-Fi, Wi-Fi Direct
Scanner Type	Flatbed, ADF
Mobile Printing	Epson Connect, Apple AirPrint, Google Cloud Print
Standard Paper Input	250 sheets
Paper Sizes	A4, A5, A6, B5, Letter, Legal, Executive
Ink Type	Epson DURABrite Ultra pigment ink
Ink Cartridge Configuration	4 individual ink cartridges (Black, Cyan, Magenta, Yellow)
Operating Systems Supported	Windows, macOS
Print Speed	24 ISO ppm (black/color)