Epson WorkForce Pro WF-C879R User Manual

Messages Cause/What to do
Private key is required. Cause:
There is no paired private key with the certicate.
What to do:
❏ If the certicate is the PEM/DER format and it is obtained from a CSR using a
computer, specify the private key
le.
❏ If the certicate is the PKCS#12 format and it is obtained from a CSR using a
computer, create a le that contains the private key.
Cause:
You have re-imported the PEM/DER certicate obtained from a CSR using Web
Cong.
What to do:
If the certicate is the PEM/DER format and it is obtained from a CSR using Web
Cong
, you can only import it once.
Setup failed. Cause:
Cannot nish the conguration because the communication between the printer
and computer failed or the le cannot be read by some errors.
What to do:
After checking the
specied le
and communication, import the
le
again.
Related Information
& “About Digital Certication” on page 533
Delete a CA-signed Certicate by Mistake
There is no backup
le
for the CA-signed
certicate.
If you have the backup le, import the certicate again.
If you obtain a
certicate
using a CSR created from Web
Cong
, you cannot import a deleted
certicate
again.
Create a CSR and obtain a new
certicate.
Related Information
& “Importing a CA-signed Certicate” on page 535
& “Deleting a CA-signed Certicate” on page 537
Using Epson Open Platform
Epson Open Platform Overview
Epson Open Platform is a platform to use Epson printers with the function provided by the server of the
authentication system.
Administrator Information > Advanced Security Settings > Using Epson Open Platform
564

Epson WorkForce Pro WF-C879R Specifications

General

Functions	Print, Copy, Scan, Fax
Duplex Printing	Yes
Scan Type	Flatbed, ADF
Scan Resolution	1200 x 2400 dpi
Fax Speed	33.6 Kbps
Fax Resolution	Up to 200 x 200 dpi
ADF Capacity	50 sheets
Maximum Paper Size	13" x 19"
Connectivity	USB, Ethernet, Wi-Fi, Wi-Fi Direct
Print Technology	PrecisionCore
Print Resolution	4800 x 1200 dpi
Print Speed (Black)	24 ppm
Print Speed (Color)	24 ppm
Copy Speed	22 ppm (Color)
Copy Resolution	600 x 600 dpi
Mobile Printing	Apple AirPrint, Mopria Print Service
Display	4.3" color touchscreen
Monthly Duty Cycle	Up to 75, 000 pages
Ink Cartridge Configuration	4 individual ink packs (Black, Cyan, Magenta, Yellow)