| Fax type | Black-and-white and color fax capability (ITU-T Super Group 3) |
| Supported lines | Standard analog phone lines
PBX (Private Branch Exchange) telephone systems |
| Speed | Up to 33.6 kbps |
| Resolution | Monochrome
Standard: 203 pixels per inch × 98 lines per inch (8 pixels per mm × 3.85 lines per mm) Fine: 203 pixels per inch × 196 lines per inch (8 pixels per mm × 7.7 lines per mm) Super Fine: 203 pixels per inch × 392 lines per inch (8 pixels per mm × 15.4 lines per mm) Ultra Fine: 406 pixels per inch × 392 lines per inch (16 pixels per mm × 15.4 lines per mm) Color 200 × 200 dpi |
| Compression method | Monochrome: MH/MR/MMR
Color: JPEG |
| Communication standards | G3, Super G3 |
| Sending paper size | WF-C5810/WF-C5890
Scanner Glass: Letter, A4 ADF: Letter, A4, Legal WF-C5891 Scanner Glass: Letter, Half-Letter, Legal, A4 ADF: Letter, A4, Legal |
| Transmission speed
(Actual speed depends on the document, recipient's device, and phone line status) |
Approx. 3 seconds (transmitting a standard A4 ITU-T chart No. 1 with Standard MMR encryption at a speed of 33.6 kbps) |
| Contacts | Number of contacts: up to 200
Number of groups: up to 199 |
| Page memory | Up to 550 pages (when an ITU-T No. 1 chart is received in monochrome draft mode) |
| Redial | 2 times (with 1 minute interval); may differ depending on your country or region |
| Interface | RJ-11 Phone Line
RJ-11 Telephone set connection |